In the Linux kernel, the following vulnerability has been resolved: xsk: Fix race at socket teardown Fix a race in the xsk socket teardown code that can lead to a NULL pointer dereference splat. The current xsk unbind code in xsk_unbind_dev() starts by setting xs->state to XSK_UNBOUND, sets xs->dev to NULL and then waits for any NAPI processing to terminate using synchronize_net(). After that, the release code starts to tear down the socket state and free allocated memory. BUG: kernel NULL pointer dereference, address: 00000000000000c0 PGD 8000000932469067 P4D 8000000932469067 PUD 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 25 PID: 69132 Comm: grpcpp_sync_ser Tainted: G I 5.16.0+ #2 Hardware name: Dell Inc. PowerEdge R730/0599V5, BIOS 1.2.10 03/09/2015 RIP: 0010:__xsk_sendmsg+0x2c/0x690 [...] RSP: 0018:ffffa2348bd13d50 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffff8d5fc632d258 RDX: 0000000000400000 RSI: ffffa2348bd13e10 RDI: ffff8d5fc5489800 RBP: ffffa2348bd13db0 R08: 0000000000000000 R09: 00007ffffffff000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8d5fc5489800 R13: ffff8d5fcb0f5140 R14: ffff8d5fcb0f5140 R15: 0000000000000000 FS: 00007f991cff9400(0000) GS:ffff8d6f1f700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000c0 CR3: 0000000114888005 CR4: 00000000001706e0 Call Trace: <TASK> ? aa_sk_perm+0x43/0x1b0 xsk_sendmsg+0xf0/0x110 sock_sendmsg+0x65/0x70 __sys_sendto+0x113/0x190 ? debug_smp_processor_id+0x17/0x20 ? fpregs_assert_state_consistent+0x23/0x50 ? exit_to_user_mode_prepare+0xa5/0x1d0 __x64_sys_sendto+0x29/0x30 do_syscall_64+0x3b/0xc0 entry_SYSCALL_64_after_hwframe+0x44/0xae There are two problems with the current code. First, setting xs->dev to NULL before waiting for all users to stop using the socket is not correct. The entry to the data plane functions xsk_poll(), xsk_sendmsg(), and xsk_recvmsg() are all guarded by a test that xs->state is in the state XSK_BOUND and if not, it returns right away. But one process might have passed this test but still have not gotten to the point in which it uses xs->dev in the code. In this interim, a second process executing xsk_unbind_dev() might have set xs->dev to NULL which will lead to a crash for the first process. The solution here is just to get rid of this NULL assignment since it is not used anymore. Before commit 42fddcc7c64b ("xsk: use state member for socket synchronization"), xs->dev was the gatekeeper to admit processes into the data plane functions, but it was replaced with the state variable xs->state in the aforementioned commit. The second problem is that synchronize_net() does not wait for any process in xsk_poll(), xsk_sendmsg(), or xsk_recvmsg() to complete, which means that the state they rely on might be cleaned up prematurely. This can happen when the notifier gets called (at driver unload for example) as it uses xsk_unbind_dev(). Solve this by extending the RCU critical region from just the ndo_xsk_wakeup to the whole functions mentioned above, so that both the test of xs->state == XSK_BOUND and the last use of any member of xs is covered by the RCU critical section. This will guarantee that when synchronize_net() completes, there will be no processes left executing xsk_poll(), xsk_sendmsg(), or xsk_recvmsg() and state can be cleaned up safely. Note that we need to drop the RCU lock for the skb xmit path as it uses functions that might sleep. Due to this, we have to retest the xs->state after we grab the mutex that protects the skb xmit code from, among a number of things, an xsk_unbind_dev() being executed from the notifier at the same time.

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    usbnet: gl620a: fix endpoint checking in genelink_bind().(CVE-2025-21877)

    ASoC: soc-compress: prevent the potentially use of null pointer(CVE-2021-47650)

    net: gso: fix ownership in __udp_gso_segment(CVE-2025-21926)

    exec: Force single empty string when argv is empty(CVE-2022-49264)

    IB/rdmavt: add lock to call to rvt_error_qp to prevent a race condition(CVE-2022-49089)

    netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits(CVE-2023-53033)

    erspan: do not assume transport header is always set(CVE-2022-49691)

    tipc: check attribute length for bearer name(CVE-2022-49374)

    qede: confirm skb is allocated before using(CVE-2022-49084)

    nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu().(CVE-2025-21927)

    ice: fix memory leak in aRFS after reset(CVE-2025-21981)

    arm64: compat: Do not treat syscall number as ESR_ELx for a bad syscall(CVE-2022-49520)

    NFSD: prevent underflow in nfssvc_decode_writeargs().(CVE-2022-49280)

    tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd(CVE-2022-49330)

    net: sched: Disallow replacing of child qdisc from one parent to another(CVE-2025-21702)

    net: ipv4: fix route with nexthop object delete warning(CVE-2022-49092)

    x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL(CVE-2023-52993)

    firewire: fix memory leak for payload of request subaction to IEC 61883-1 FCP region(CVE-2023-52989)

    netfilter: nf_tables: don't skip expired elements during walk(CVE-2023-52924)

    net: openvswitch: fix leak of nested actions(CVE-2022-49086)

    drm/nouveau: prime: fix refcount underflow(CVE-2024-43867)

    net_sched: Prevent creation of classes with TC_H_ROOT(CVE-2025-21971)

    netfilter: nf_tables: memleak flow rule from commit path(CVE-2022-49358)

    rcu-tasks: Fix race in schedule and flush work(CVE-2022-49540)

    netfilter: use get_random_u32 instead of prandom(CVE-2022-49698)

    fbdev: hyperv_fb: Allow graceful removal of framebuffer(CVE-2025-21976)

    nvme-pci: add missing condition check for existence of mapped data(CVE-2024-42276)

    cifs: Fix oops due to uncleared server-smbd_conn in reconnect(CVE-2023-53006)

    ipv6: mcast: add RCU protection to mld_newpack().(CVE-2025-21758)

    ftrace: Clean up hash direct_functions on register failures(CVE-2022-49402)

    clocksource: hyper-v: unexport __init-annotated hv_init_clocksource().(CVE-2022-49726)

    usb: cdc-acm: Check control transfer buffer size before access(CVE-2025-21704)

    PCI: Avoid putting some root ports into D3 on TUXEDO Sirius Gen1(CVE-2025-21831)

    ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero(CVE-2022-49584)

    gpio: Restrict usage of GPIO chip irq members before initialization(CVE-2022-49072)

    i40e: Fix call trace in setup_tx_descriptors(CVE-2022-49725)

    RDMA/hfi1: Fix potential integer multiplication overflow errors(CVE-2022-49404)

    ice: Fix memory corruption in VF driver(CVE-2022-49722)

    ipv4: prevent potential spectre v1 gadget in fib_metrics_match().(CVE-2023-52996)

    ACPI: CPPC: Avoid out of bounds access when parsing _CPC data(CVE-2022-49145)

    KVM: SVM: fix panic on out-of-bounds guest IRQ(CVE-2022-49154)

    ipv4: prevent potential spectre v1 gadget in ip_metrics_convert().(CVE-2023-52997)

    net: fix NULL pointer in skb_segment_list(CVE-2023-52991)

    dlm: fix plock invalid read(CVE-2022-49407)

    netfilter: nf_conncount: Fully initialize struct nf_conncount_tuple in insert_tree().(CVE-2025-21959)

    tee: optee: Fix supplicant wait loop(CVE-2025-21871)

    dm raid: fix accesses beyond end of raid member array(CVE-2022-49674)

    ipv4: use RCU protection in __ip_rt_update_pmtu().(CVE-2025-21766)

    dm array: fix releasing a faulty array block twice in dm_array_cursor_end(CVE-2024-57929)

    netlink: prevent potential spectre v1 gadgets(CVE-2023-53000)

    net: phy: dp83822: Fix null pointer access on DP83825/DP83826 devices(CVE-2023-52984)

    net: xfrm: unexport __init-annotated xfrm4_protocol_init().(CVE-2022-49345)

    tunnels: do not assume mac header is set in skb_tunnel_check_pmtu().(CVE-2022-49663)

    cpufreq: governor: Use kobject release() method to free dbs_data(CVE-2022-49513)

    brcmfmac: pcie: Release firmwares in the brcmf_pcie_setup error path(CVE-2022-49263)

    HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections(CVE-2024-57986)

    ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up(CVE-2025-21887)

    xsk: Fix race at socket teardown(CVE-2022-49215)

    acct: perform last write from workqueue(CVE-2025-21846)

    nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags(CVE-2022-49492)

    drop_monitor: fix incorrect initialization order(CVE-2025-21862)

    udp: Fix a data-race around sysctl_udp_l3mdev_accept.(CVE-2022-49577)

    ip: Fix data-races around sysctl_ip_prot_sock.(CVE-2022-49578)

    ipv4: Fix data-races around sysctl_fib_multipath_hash_policy.(CVE-2022-49579)

    ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh.(CVE-2022-49580)

    tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout.(CVE-2022-49585)

    drm/drm_vma_manager: Add drm_vma_node_allow_once().(CVE-2023-53001)

    x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes(CVE-2025-21991)

    ipv6: Fix signed integer overflow in __ip6_append_data(CVE-2022-49728)

    ipv6: Fix memleak of nhc_pcpu_rth_output in fib_check_nh_v6_gw().(CVE-2025-22005)

    exec: don't WARN for racy path_noexec check(CVE-2024-50010)

    iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic().(CVE-2025-21993)

    RDMA/hns: Fix soft lockup during bt pages loop(CVE-2025-22010)

    tracing: Fix use-after-free in print_graph_function_flags during tracer switching(CVE-2025-22035)

    regulator: check that dummy regulator has been probed before using it(CVE-2025-22008)

    smb: client: Add check for next_buffer in receive_encrypted_standard().(CVE-2025-21844)

    vlan: enforce underlying device type(CVE-2025-21920)

    tcp: Fix data-races around sysctl_tcp_mtu_probing.(CVE-2022-49598)

    mm/swapfile: add cond_resched() in get_swap_pages().(CVE-2023-52932)

    proc: fix UAF in proc_get_inode().(CVE-2025-21999)

    driver core: Fix wait_for_device_probe()  deferred_probe_timeout interaction(CVE-2022-49379)

    NFSD: prevent integer overflow on 32 bit systems(CVE-2022-49279)

    x86/kexec: fix memory leak of elf header buffer(CVE-2022-49546)

    PM: core: keep irq flags in device_pm_check_callbacks().(CVE-2022-49175)

    KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak(CVE-2022-49556)

    tracing: Fix bad hist from corrupting named_triggers list(CVE-2025-21899)

    drivers/base/node.c: fix compaction sysfs file leak(CVE-2022-49442)

    hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio(CVE-2025-21931)

    s390/cpum_sf: Handle CPU hotplug remove during sampling(CVE-2024-57849)

    bpf, sockmap: Fix double uncharge the mem of sk_msg(CVE-2022-49205)

    perf/x86/amd: fix potential integer overflow on shift of a int(CVE-2022-49748)

    firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle(CVE-2022-49370)

    driver core: fix deadlock in __device_attach(CVE-2022-49371)

    RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers(CVE-2025-21885)

    RDMA/core: Fix ib block iterator counter overflow(CVE-2023-53026)

    net: let net.core.dev_weight always be non-zero(CVE-2025-21806)

    irqchip/gic-v3: Fix GICR_CTLR.RWP polling(CVE-2022-49074)

    x86/speculation: Fill RSB on vmexit for IBRS(CVE-2022-49611)

    netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function.(CVE-2023-53032)

    arm64: asm-bug: Add .align 2 to the end of __BUG_ENTRY(CVE-2024-39488)

    udp: Deal with race between UDP socket address change and rehash(CVE-2024-57974)

    net: mdio: validate parameter addr in mdiobus_get_phy().(CVE-2023-53019)

    ppp: Fix KMSAN uninit-value warning with bpf(CVE-2025-21922)

    KVM: x86: Use __try_cmpxchg_user() to update guest PTE A/D bits(CVE-2022-49562)

    NFS: Avoid writeback threads getting stuck in mempool_alloc().(CVE-2022-49097)

    virtio_net: fix xdp_rxq_info bug after suspend/resume(CVE-2022-49687)

    LSM: general protection fault in legacy_parse_param(CVE-2022-49180)

    net/mlx5: handle errors in mlx5_chains_create_table().(CVE-2025-21975)

    net: mdio: unexport __init-annotated mdio_bus_init().(CVE-2022-49350)

    be2net: Fix buffer overflow in be_get_module_eeprom(CVE-2022-49581)

    l2tp: close all race conditions in l2tp_tunnel_register().(CVE-2023-53020)

    ipvlan: ensure network headers are in skb linear part(CVE-2025-21891)

    serial: 8250: Fix PM usage_count for console handover(CVE-2022-49613)

    scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress(CVE-2023-52975)

    NFSD: Fix the behavior of READ near OFFSET_MAX(CVE-2022-48827)

    af_netlink: Fix shift out of bounds in group mask calculation(CVE-2022-49197)

    dm thin: make get_first_thin use rcu-safe list first function(CVE-2025-21664)

    netfilter: conntrack: re-fetch conntrack after insertion(CVE-2022-49561)

    mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath().(CVE-2023-52939)

    tick/nohz: unexport __init-annotated tick_nohz_full_setup().(CVE-2022-49675)

    ipv6: use RCU protection in ip6_default_advmss().(CVE-2025-21765)

    virtio_console: eliminate anonymous module_init  module_exit(CVE-2022-49100)

    net: tun: unlink NAPI from device on destruction(CVE-2022-49672)

    Drivers: hv: vmbus: Fix potential crash on module unload(CVE-2022-49098)

    net/tls: fix slab-out-of-bounds bug in decrypt_internal(CVE-2022-49094)

    keys: Fix UAF in key_put().(CVE-2025-21893)

    bpf, sockmap: Check for any of tcp_bpf_prots when cloning a listener(CVE-2023-52986)

    RDMA/hfi1: Prevent panic when SDMA is disabled(CVE-2022-49429)

    xhci: Handle TD clearing for multiple streams case(CVE-2024-40927)

    ipmr: do not call mr_mfc_uses_dev() for unres entries(CVE-2025-21719)

    scsi: hisi_sas: Add cond_resched() for no forced preemption model(CVE-2024-56589)

    veth: Ensure eth header is in skb's linear part(CVE-2022-49066)

    tracing: Fix potential double free in create_var_ref().(CVE-2022-49410)

    dmaengine: Fix double increment of client_count in dma_chan_get().(CVE-2022-49753)

    scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress(CVE-2023-52974)

    net_sched: sch_sfq: don't allow 1 packet limit(CVE-2024-57996)

    vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF(CVE-2023-52973)

    dm mirror log: round up region bitmap size to BITS_PER_LONG(CVE-2022-49710)

    x86/xen: don't do PV iret hypercall through hypercall page(CVE-2024-53241)

    bpf, sockmap: Fix more uncharged while msg has more_data(CVE-2022-49204)

    mm/khugepaged: fix -anon_vma race(CVE-2023-52935)

    dm integrity: fix memory corruption when tag_size is less than digest size(CVE-2022-49044)

    scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp().(CVE-2022-49521)

    bpf: Fix request_sock leak in sk lookup helpers(CVE-2022-49697)

    mm/migrate_device: don't add folio to be freed to LRU in migrate_device_finalize().(CVE-2025-21861)

    efi: Don't map the entire mokvar table to determine its size(CVE-2025-21872)

    net: asix: add proper error handling of usb read errors(CVE-2022-49226)

    HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove().(CVE-2025-21928)

    bpf: Skip task with pid=1 in send_signal_common().(CVE-2023-52992)

    bpf: Skip invalid kfunc call in backtrack_insn(CVE-2023-52928)

    bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation(CVE-2023-53024)

    igb: Fix potential invalid memory access in igb_init_module().(CVE-2024-52332)

    ftrace: Avoid potential division by zero in function_stat_show().(CVE-2025-21898)

    efi: fix potential NULL deref in efi_mem_reserve_persistent(CVE-2023-52976)

    uprobes: Reject the shared zeropage in uprobe_write_opcode().(CVE-2025-21881)

    bnxt: Do not read past the end of test names(CVE-2023-53010)

    trace_events_hist: add check for return value of 'create_hist_field'(CVE-2023-53005)

    tracing: Make sure trace_printk() can output as soon as it can be used(CVE-2023-53007)

    Squashfs: fix handling and sanity checking of xattr_ids count(CVE-2023-52933)

    tcp: Fix a data-race around sysctl_tcp_probe_threshold.(CVE-2022-49595)

    tcp: Fix data-races around sysctl_tcp_min_snd_mss.(CVE-2022-49596)

    tcp: Fix data-races around sysctl_tcp_base_mss.(CVE-2022-49597)

    tcp: Fix data-races around sysctl_tcp_l3mdev_accept.(CVE-2022-49599)

    hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING(CVE-2025-21816)

    RDMA/hfi1: Prevent use of lock before it is initialized(CVE-2022-49433)

    cifs: fix potential memory leaks in session setup(CVE-2023-53008)

    ovl: Use 'buf' flexible array for memcpy() destination(CVE-2022-49743)

    openvswitch: fix lockup on tx to unregistering netdev with carrier(CVE-2025-21681)

    net: hns3: add vlan list lock to protect vlan list(CVE-2022-49182)

    driver: base: fix UAF when driver_attach failed(CVE-2022-49385)

    ubi: ubi_create_volume: Fix use-after-free when volume creation failed(CVE-2022-49388)

    rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read(CVE-2024-58069)

    lz4: fix LZ4_decompress_safe_partial read out of bound(CVE-2022-49078)

    um: Fix out-of-bounds read in LDT setup(CVE-2022-49395)

    KVM: Explicitly verify target vCPU is online in kvm_get_vcpu().(CVE-2024-58083)

    ipv6: mcast: extend RCU protection in igmp6_send().(CVE-2025-21759)

    vsock: Keep the binding until socket destruction(CVE-2025-21756)

    pps: Fix a use-after-free(CVE-2024-57979)

    padata: fix UAF in padata_reorder(CVE-2025-21727)

    netfilter: nf_tables: avoid skb access on nf_stolen(CVE-2022-49622)

    srcu: Tighten cleanup_srcu_struct() GP checks(CVE-2022-49651)

    openvswitch: use RCU protection in ovs_vport_cmd_fill_info().(CVE-2025-21761)

    cgroup: Use separate src/dst nodes when preloading css_sets for migration(CVE-2022-49647)

    ice: arfs: fix use-after-free when freeing @rx_cpu_rmap(CVE-2022-49063)

    macsec: fix UAF bug for real_dev(CVE-2022-49390)

    ndisc: extend RCU protection in ndisc_send_skb().(CVE-2025-21760)

    nfsd: release svc_expkey(CVE-2024-53216)

    nfsd: make sure exp active before svc_export_show(CVE-2024-56558)

    net: sched: Disallow replacing of child qdisc from one parent to another(CVE-2025-21700)

    neighbour: use RCU protection in __neigh_notify().(CVE-2025-21763)

    nfsd: clear acl_access/acl_default after releasing them(CVE-2025-21796)

    ndisc: use RCU protection in ndisc_alloc_skb().(CVE-2025-21764)

    arp: use RCU protection in arp_xmit().(CVE-2025-21762)

    iommu/arm-smmu-v3: check return value after calling platform_get_resource().(CVE-2022-49319)

    memcg: fix soft lockup in the OOM process(CVE-2024-57977)

    rdma/cxgb4: Prevent potential integer overflow on 32bit(CVE-2024-57973)

    scsi: hisi_sas: Free irq vectors in order for v3 HW(CVE-2022-49118)

    drm/plane: Move range check for format_count earlier(CVE-2021-47659)

    USB: hub: Ignore non-compliant devices with too many configs or interfaces(CVE-2025-21776)

    bpf: avoid holding freeze_mutex during mmap operation(CVE-2025-21853)

    linux/dim: Fix divide by 0 in RDMA DIM(CVE-2022-49670)

    HID: multitouch: Add NULL check in mt_input_configured(CVE-2024-58020)

    nfp: bpf: Add check for nfp_app_ctrl_msg_alloc().(CVE-2025-21848)

    KVM: x86: Reject Hyper-V's SEND_IPI hypercalls if local APIC isn't in-kernel(CVE-2025-21779)

    usb: xhci: Fix NULL pointer dereference on certain command aborts(CVE-2024-57981)

    ceph: fix memory leak in ceph_readdir when note_last_dentry returns error(CVE-2022-49107)

    NFSv4.2: fix reference count leaks in _nfs42_proc_copy_notify().(CVE-2022-49103)

    io_uring: fix memory leak of uid in files registration(CVE-2022-49144)

    hwrng: cavium - fix NULL but dereferenced coccicheck error(CVE-2022-49177)

    mlxsw: spectrum: Guard against invalid local ports(CVE-2022-49134)

    iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe().(CVE-2022-49323)

    drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes(CVE-2022-49532)

    scsi: qla2xxx: Suppress a kernel complaint in qla_create_qpair().(CVE-2022-49155)

    NFSv4: Don't hold the layoutget locks across multiple RPC calls(CVE-2022-49316)

    kernel/resource: fix kfree() of bootmem memory again(CVE-2022-49190)

    vrf: use RCU protection in l3mdev_l3_out().(CVE-2025-21791)

    tcp: Fix a data-race around sysctl_tcp_ecn_fallback.(CVE-2022-49630)

    i2c: dev: check return value when calling dev_set_name().(CVE-2022-49046)

    list: fix a data-race around ep-rdllist(CVE-2022-49443)

    perf/core: Fix data race between perf_event_set_output() and perf_mmap_close()(CVE-2022-49607)

    drm/amd/display: Fix memory leak(CVE-2022-49135)

    media: uvcvideo: Fix double free in error path(CVE-2024-57980)

    io_uring: prevent opcode speculation(CVE-2025-21863)

    geneve: Fix use-after-free in geneve_find_dev().(CVE-2025-21858)

    arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array(CVE-2025-21785)

    scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock(CVE-2022-49536)

    KVM: VMX: Prevent RSB underflow before vmenter(CVE-2022-49610)

    tpm: Change to kvalloc() in eventlog/acpi.c(CVE-2024-58005)

Tenable has extracted the preceding description block directly from the EulerOS kernel security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    net: gso: fix ownership in __udp_gso_segment(CVE-2025-21926)

    usbnet: gl620a: fix endpoint checking in genelink_bind().(CVE-2025-21877)

    net_sched: Prevent creation of classes with TC_H_ROOT(CVE-2025-21971)

    fbdev: hyperv_fb: Allow graceful removal of framebuffer(CVE-2025-21976)

    drm/nouveau: prime: fix refcount underflow(CVE-2024-43867)

    nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu().(CVE-2025-21927)

    nvme-pci: add missing condition check for existence of mapped data(CVE-2024-42276)

    ipv6: mcast: add RCU protection to mld_newpack().(CVE-2025-21758)

    vlan: enforce underlying device type(CVE-2025-21920)

    usb: cdc-acm: Check control transfer buffer size before access(CVE-2025-21704)

    PCI: Avoid putting some root ports into D3 on TUXEDO Sirius Gen1(CVE-2025-21831)

    net: sched: Disallow replacing of child qdisc from one parent to another(CVE-2025-21702)

    netfilter: nf_conncount: Fully initialize struct nf_conncount_tuple in insert_tree().(CVE-2025-21959)

    ipv4: use RCU protection in __ip_rt_update_pmtu().(CVE-2025-21766)

    dm array: fix releasing a faulty array block twice in dm_array_cursor_end(CVE-2024-57929)

    hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio(CVE-2025-21931)

    cpufreq: governor: Use kobject release() method to free dbs_data(CVE-2022-49513)

    HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections(CVE-2024-57986)

    ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up(CVE-2025-21887)

    xsk: Fix race at socket teardown(CVE-2022-49215)

    acct: perform last write from workqueue(CVE-2025-21846)

    drop_monitor: fix incorrect initialization order(CVE-2025-21862)

    memcg: fix soft lockup in the OOM process(CVE-2024-57977)

    rdma/cxgb4: Prevent potential integer overflow on 32bit(CVE-2024-57973)

    iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in ibft_attr_show_nic().(CVE-2025-21993)

    x86/kexec: fix memory leak of elf header buffer(CVE-2022-49546)

    proc: fix UAF in proc_get_inode().(CVE-2025-21999)

    tracing: Fix bad hist from corrupting named_triggers list(CVE-2025-21899)

    RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers(CVE-2025-21885)

    net: let net.core.dev_weight always be non-zero(CVE-2025-21806)

    udp: Deal with race between UDP socket address change and rehash(CVE-2024-57974)

    NFSD: Fix the behavior of READ near OFFSET_MAX(CVE-2022-48827)

    dm thin: make get_first_thin use rcu-safe list first function(CVE-2025-21664)

    ipv6: use RCU protection in ip6_default_advmss().(CVE-2025-21765)

    xhci: Handle TD clearing for multiple streams case(CVE-2024-40927)

    ipmr: do not call mr_mfc_uses_dev() for unres entries(CVE-2025-21719)

    scsi: hisi_sas: Add cond_resched() for no forced preemption model(CVE-2024-56589)

    net_sched: sch_sfq: don't allow 1 packet limit(CVE-2024-57996)

    mm/migrate_device: don't add folio to be freed to LRU in migrate_device_finalize().(CVE-2025-21861)

    efi: Don't map the entire mokvar table to determine its size(CVE-2025-21872)

    net: asix: add proper error handling of usb read errors(CVE-2022-49226)

    HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove().(CVE-2025-21928)

    igb: Fix potential invalid memory access in igb_init_module().(CVE-2024-52332)

    ftrace: Avoid potential division by zero in function_stat_show().(CVE-2025-21898)

    uprobes: Reject the shared zeropage in uprobe_write_opcode().(CVE-2025-21881)

    bnxt: Do not read past the end of test names(CVE-2023-53010)

    hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING(CVE-2025-21816)

    cifs: fix potential memory leaks in session setup(CVE-2023-53008)

    ovl: Use 'buf' flexible array for memcpy() destination(CVE-2022-49743)

    openvswitch: fix lockup on tx to unregistering netdev with carrier(CVE-2025-21681)

    rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read(CVE-2024-58069)

    KVM: Explicitly verify target vCPU is online in kvm_get_vcpu().(CVE-2024-58083)

    ipv6: mcast: extend RCU protection in igmp6_send().(CVE-2025-21759)

    vsock: Keep the binding until socket destruction(CVE-2025-21756)

    pps: Fix a use-after-free(CVE-2024-57979)

    padata: fix UAF in padata_reorder(CVE-2025-21727)

    netfilter: nf_tables: avoid skb access on nf_stolen(CVE-2022-49622)

    srcu: Tighten cleanup_srcu_struct() GP checks(CVE-2022-49651)

    openvswitch: use RCU protection in ovs_vport_cmd_fill_info().(CVE-2025-21761)

    cgroup: Use separate src/dst nodes when preloading css_sets for migration(CVE-2022-49647)

    ice: arfs: fix use-after-free when freeing @rx_cpu_rmap(CVE-2022-49063)

    macsec: fix UAF bug for real_dev(CVE-2022-49390)

    ndisc: extend RCU protection in ndisc_send_skb().(CVE-2025-21760)

    nfsd: release svc_expkey(CVE-2024-53216)

    nfsd: make sure exp active before svc_export_show(CVE-2024-56558)

    net: sched: Disallow replacing of child qdisc from one parent to another(CVE-2025-21700)

    neighbour: use RCU protection in __neigh_notify().(CVE-2025-21763)

    nfsd: clear acl_access/acl_default after releasing them(CVE-2025-21796)

    ndisc: use RCU protection in ndisc_alloc_skb().(CVE-2025-21764)

    arp: use RCU protection in arp_xmit().(CVE-2025-21762)

    USB: hub: Ignore non-compliant devices with too many configs or interfaces(CVE-2025-21776)

    bpf: avoid holding freeze_mutex during mmap operation(CVE-2025-21853)

    nfp: bpf: Add check for nfp_app_ctrl_msg_alloc().(CVE-2025-21848)

    KVM: x86: Reject Hyper-V's SEND_IPI hypercalls if local APIC isn't in-kernel(CVE-2025-21779)

    usb: xhci: Fix NULL pointer dereference on certain command aborts(CVE-2024-57981)

    mlxsw: spectrum: Guard against invalid local ports(CVE-2022-49134)

    icmp: Fix a data-race around sysctl_icmp_errors_use_inbound_ifaddr.(CVE-2022-49632)

    kernel/resource: fix kfree() of bootmem memory again(CVE-2022-49190)

    vrf: use RCU protection in l3mdev_l3_out().(CVE-2025-21791)

    tcp: Fix a data-race around sysctl_tcp_ecn_fallback.(CVE-2022-49630)

    printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX(CVE-2024-58017)

    i2c: dev: check return value when calling dev_set_name().(CVE-2022-49046)

    list: fix a data-race around ep-rdllist(CVE-2022-49443)

    drm/amd/display: Fix memory leak(CVE-2022-49135)

    media: uvcvideo: Fix double free in error path(CVE-2024-57980)

    io_uring: prevent opcode speculation(CVE-2025-21863)

    geneve: Fix use-after-free in geneve_find_dev().(CVE-2025-21858)

    arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array(CVE-2025-21785)

    scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock(CVE-2022-49536)

    KVM: VMX: Prevent RSB underflow before vmenter(CVE-2022-49610)

    tpm: Change to kvalloc() in eventlog/acpi.c(CVE-2024-58005)

    media: uvcvideo: Remove dangling pointers(CVE-2024-58002)

    padata: avoid UAF for reorder_work(CVE-2025-21726)

    ptp: Ensure info-enable callback is always set(CVE-2025-21814)

    bpf: Send signals asynchronously if !preemptible(CVE-2025-21728)

    scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI(CVE-2022-49535)

    crypto: qat - add param check for RSA(CVE-2022-49563)

    nbd: don't allow reconnect after disconnect(CVE-2025-21731)

    media: cx24116: prevent overflows on SNR calculus(CVE-2024-50290)

    crypto: qat - add param check for DH(CVE-2022-49564)

    net: usb: rtl8150: enable basic endpoint checking(CVE-2025-21708)

    scsi: qla2xxx: Fix crash during module load unload test(CVE-2022-49160)

    sctp: sysctl: rto_min/max: avoid using current-nsproxy(CVE-2025-21639)

    crypto: qat - fix memory leak in RSA(CVE-2022-49566)

    scsi: storvsc: Ratelimit warning logs to prevent VM denial of service(CVE-2025-21690)

    USB: serial: quatech2: fix null-ptr-deref in qt2_process_read_urb().(CVE-2025-21689)

    ipvs: fix UB due to uninitialized stack access in ip_vs_protocol_init().(CVE-2024-53680)

    vsock/virtio: discard packets if the transport changes(CVE-2025-21669)

    vsock: prevent null-ptr-deref in vsock_*[has_data|has_space](CVE-2025-21666)

    eth: bnxt: always recalculate features after XDP clearing, fix null-deref(CVE-2025-21682)

    sched/deadline: Fix warning in migrate_enable for boosted tasks(CVE-2024-56583)

    vfio/platform: check the bounds of read/write syscalls(CVE-2025-21687)

Tenable has extracted the preceding description block directly from the EulerOS kernel security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    xsk: Fix race at socket teardown(CVE-2022-49215)

    acct: perform last write from workqueue(CVE-2025-21846)

    nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags(CVE-2022-49492)

    drop_monitor: fix incorrect initialization order(CVE-2025-21862)

    iommu/arm-smmu-v3: check return value after calling platform_get_resource().(CVE-2022-49319)

    ipv4: Fix a data-race around sysctl_fib_sync_mem.(CVE-2022-49637)

    memcg: fix soft lockup in the OOM process(CVE-2024-57977)

    ima: Fix potential memory leak in ima_init_crypto().(CVE-2022-49627)

    rdma/cxgb4: Prevent potential integer overflow on 32bit(CVE-2024-57973)

    tracing: Make sure trace_printk() can output as soon as it can be used(CVE-2023-53007)

    trace_events_hist: add check for return value of 'create_hist_field'(CVE-2023-53005)

    Squashfs: fix handling and sanity checking of xattr_ids count(CVE-2023-52933)

    tcp: Fix a data-race around sysctl_tcp_probe_threshold.(CVE-2022-49595)

    tcp: Fix data-races around sysctl_tcp_min_snd_mss.(CVE-2022-49596)

    tcp: Fix data-races around sysctl_tcp_base_mss.(CVE-2022-49597)

    tcp: Fix data-races around sysctl_tcp_l3mdev_accept.(CVE-2022-49599)

    hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING(CVE-2025-21816)

    RDMA/hfi1: Prevent use of lock before it is initialized(CVE-2022-49433)

    openvswitch: fix lockup on tx to unregistering netdev with carrier(CVE-2025-21681)

    net: hns3: add vlan list lock to protect vlan list(CVE-2022-49182)

    driver: base: fix UAF when driver_attach failed(CVE-2022-49385)

    ubi: ubi_create_volume: Fix use-after-free when volume creation failed(CVE-2022-49388)

    rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read(CVE-2024-58069)

    lz4: fix LZ4_decompress_safe_partial read out of bound(CVE-2022-49078)

    um: Fix out-of-bounds read in LDT setup(CVE-2022-49395)

    KVM: Explicitly verify target vCPU is online in kvm_get_vcpu().(CVE-2024-58083)

    ipv6: mcast: extend RCU protection in igmp6_send().(CVE-2025-21759)

    vsock: Keep the binding until socket destruction(CVE-2025-21756)

    pps: Fix a use-after-free(CVE-2024-57979)

    RDMA/hfi1: Fix use-after-free bug for mm struct(CVE-2022-49076)

    padata: fix UAF in padata_reorder(CVE-2025-21727)

    net: bonding: fix use-after-free after 802.3ad slave unbind(CVE-2022-49667)

    netfilter: nf_tables: avoid skb access on nf_stolen(CVE-2022-49622)

    srcu: Tighten cleanup_srcu_struct() GP checks(CVE-2022-49651)

    openvswitch: use RCU protection in ovs_vport_cmd_fill_info().(CVE-2025-21761)

    cgroup: Use separate src/dst nodes when preloading css_sets for migration(CVE-2022-49647)

    ice: arfs: fix use-after-free when freeing @rx_cpu_rmap(CVE-2022-49063)

    sfc: fix use after free when disabling sriov(CVE-2022-49626)

    macsec: fix UAF bug for real_dev(CVE-2022-49390)

    ndisc: extend RCU protection in ndisc_send_skb().(CVE-2025-21760)

    nfsd: release svc_expkey(CVE-2024-53216)

    nfsd: make sure exp active before svc_export_show(CVE-2024-56558)

    net: sched: Disallow replacing of child qdisc from one parent to another(CVE-2025-21700)

    tipc: fix use-after-free Read in tipc_named_reinit(CVE-2022-49696)

    arp: use RCU protection in arp_xmit().(CVE-2025-21762)

    nfsd: clear acl_access/acl_default after releasing them(CVE-2025-21796)

    ndisc: use RCU protection in ndisc_alloc_skb().(CVE-2025-21764)

    neighbour: use RCU protection in __neigh_notify().(CVE-2025-21763)

    scsi: hisi_sas: Free irq vectors in order for v3 HW(CVE-2022-49118)

    drm/plane: Move range check for format_count earlier(CVE-2021-47659)

    USB: hub: Ignore non-compliant devices with too many configs or interfaces(CVE-2025-21776)

    MIPS: pgalloc: fix memory leak caused by pgd_free().(CVE-2022-49210)

    bpf: avoid holding freeze_mutex during mmap operation(CVE-2025-21853)

    ip: Fix data-races around sysctl_ip_fwd_use_pmtu.(CVE-2022-49604)

    linux/dim: Fix divide by 0 in RDMA DIM(CVE-2022-49670)

    HID: multitouch: Add NULL check in mt_input_configured(CVE-2024-58020)

    nfp: bpf: Add check for nfp_app_ctrl_msg_alloc().(CVE-2025-21848)

    net: tipc: fix possible refcount leak in tipc_sk_create()(CVE-2022-49620)

    bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full(CVE-2022-49209)

    net: remove two BUG() from skb_checksum_help().(CVE-2022-49497)

    usbnet: fix memory leak in error case(CVE-2022-49657)

    usbnet: fix memory leak in error case(CVE-2022-49589)

    ip: Fix a data-race around sysctl_ip_autobind_reuse.(CVE-2022-49600)

    cipso: Fix data-races around sysctl.(CVE-2022-49639)

    KVM: x86: Reject Hyper-V's SEND_IPI hypercalls if local APIC isn't in-kernel(CVE-2025-21779)

    nexthop: Fix data-races around nexthop_compat_mode.(CVE-2022-49629)

    tracing/histograms: Fix memory leak problem(CVE-2022-49648)

    SUNRPC: Fix the svc_deferred_event trace class(CVE-2022-49065)

    af_unix: Fix a data-race in unix_dgram_peer_wake_me().(CVE-2022-49344)

    usb: xhci: Fix NULL pointer dereference on certain command aborts(CVE-2024-57981)

    ceph: fix memory leak in ceph_readdir when note_last_dentry returns error(CVE-2022-49107)

    NFSv4.2: fix reference count leaks in _nfs42_proc_copy_notify().(CVE-2022-49103)

    io_uring: fix memory leak of uid in files registration(CVE-2022-49144)

    RDMA/cm: Fix memory leak in ib_cm_insert_listen(CVE-2022-49671)

    ip: Fix a data-race around sysctl_fwmark_reflect.(CVE-2022-49602)

    hwrng: cavium - fix NULL but dereferenced coccicheck error(CVE-2022-49177)

    mlxsw: spectrum: Guard against invalid local ports(CVE-2022-49134)

    raw: Fix a data-race around sysctl_raw_l3mdev_accept.(CVE-2022-49631)

    icmp: Fix data-races around sysctl.(CVE-2022-49638)

    tty: synclink_gt: Fix null-pointer-dereference in slgt_clean().(CVE-2022-49307)

    iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe().(CVE-2022-49323)

    drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes(CVE-2022-49532)

    scsi: qla2xxx: Suppress a kernel complaint in qla_create_qpair().(CVE-2022-49155)

    tipc: move bc link creation back to tipc_node_create(CVE-2022-49664)

    NFSv4: Don't hold the layoutget locks across multiple RPC calls(CVE-2022-49316)

    icmp: Fix a data-race around sysctl_icmp_errors_use_inbound_ifaddr.(CVE-2022-49632)

    xprtrdma: treat all calls not a bcall when bc_serv is NULL(CVE-2022-49321)

    net: phy: micrel: Allow probing without .driver_data(CVE-2022-49472)

    tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept.(CVE-2022-49601)

    kernel/resource: fix kfree() of bootmem memory again(CVE-2022-49190)

    vrf: use RCU protection in l3mdev_l3_out().(CVE-2025-21791)

    tcp: Fix a data-race around sysctl_tcp_ecn_fallback.(CVE-2022-49630)

    i2c: dev: check return value when calling dev_set_name().(CVE-2022-49046)

    list: fix a data-race around ep-rdllist(CVE-2022-49443)

    perf/core: Fix data race between perf_event_set_output() and perf_mmap_close()(CVE-2022-49607)

    drm/amd/display: Fix memory leak(CVE-2022-49135)

    ip: Fix data-races around sysctl_ip_fwd_update_priority.(CVE-2022-49603)

    media: uvcvideo: Fix double free in error path(CVE-2024-57980)

    io_uring: prevent opcode speculation(CVE-2025-21863)

    geneve: Fix use-after-free in geneve_find_dev().(CVE-2025-21858)

    arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array(CVE-2025-21785)

    igb: fix a use-after-free issue in igb_clean_tx_ring(CVE-2022-49695)

    rxrpc: Fix listen() setting the bar too high for the prealloc rings(CVE-2022-49450)

    tty: fix deadlock caused by calling printk() under tty_port-lock(CVE-2022-49441)

    media: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init(CVE-2022-49478)

    ima: Fix a potential integer overflow in ima_appraise_measurement(CVE-2022-49643)

    scsi: qla2xxx: Fix scheduling while atomic(CVE-2022-49156)

    scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock(CVE-2022-49536)

    mm/mempolicy: fix uninit-value in mpol_rebind_policy().(CVE-2022-49567)

    KVM: VMX: Prevent RSB underflow before vmenter(CVE-2022-49610)

    dm raid: fix KASAN warning in raid5_add_disks(CVE-2022-49673)

    tpm: Change to kvalloc() in eventlog/acpi.c(CVE-2024-58005)

    media: uvcvideo: Remove dangling pointers(CVE-2024-58002)

    padata: avoid UAF for reorder_work(CVE-2025-21726)

    ARM: hisi: Add missing of_node_put after of_find_compatible_node(CVE-2022-49447)

    ptp: Ensure info-enable callback is always set(CVE-2025-21814)

    bpf: Send signals asynchronously if !preemptible(CVE-2025-21728)

    ext4: don't BUG if someone dirty pages without asking ext4 first(CVE-2022-49171)

    ext4: fix ext4_mb_mark_bb() with flex_bg with fast_commit(CVE-2022-49174)

    dax: make sure inodes are flushed before destroy cache(CVE-2022-49220)

    ext4: avoid cycles in directory h-tree(CVE-2022-49343)

    ext4: fix bug_on in ext4_writepages(CVE-2022-49347)

    ext4: filter out EXT4_FC_REPLAY from on-disk superblock field s_state(CVE-2022-49348)

    ext4: fix use-after-free in ext4_rename_dir_prepare(CVE-2022-49349)

    ext4: fix warning in ext4_handle_inode_extension(CVE-2022-49352)

    PCI: Avoid pci_dev_lock() AB/BA deadlock with sriov_numvfs_store().(CVE-2022-49434)

    x86/MCE/AMD: Fix memory leak when threshold_create_bank() fails(CVE-2022-49549)

    scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI(CVE-2022-49535)

    crypto: qat - add param check for RSA(CVE-2022-49563)

    dmaengine: idxd: Fix the error handling path in idxd_cdev_register()(CVE-2022-49422)

    RDMA/mlx5: Fix memory leak in error flow for subscribe event routine(CVE-2022-49206)

    bpf, arm64: Clear prog-jited_len along prog-jited(CVE-2022-49341)

    bpf: Fix UAF due to race between btf_try_get_module and load_module(CVE-2022-49236)

    bpf: Fix potential array overflow in bpf_trampoline_get_progs().(CVE-2022-49548)

    bpf: Fix insufficient bounds propagation from adjust_scalar_min_max_vals(CVE-2022-49658)

    zsmalloc: fix races between asynchronous zspage free and page migration(CVE-2022-49554)

    tpm: fix reference counting for struct tpm_chip(CVE-2022-49287)

    netfilter: nf_tables: initialize registers in nft_do_chain().(CVE-2022-49293)

    dm ioctl: prevent potential spectre v1 gadget(CVE-2022-49122)

    scsi: sd: Fix potential NULL pointer dereference(CVE-2022-49376)

    sysctl: Fix data races in proc_douintvec_minmax().(CVE-2022-49640)

    sysctl: Fix data races in proc_douintvec().(CVE-2022-49641)

    scsi: libfc: Fix use after free in fc_exch_abts_resp().(CVE-2022-49114)

    nbd: don't allow reconnect after disconnect(CVE-2025-21731)

    tpm: use try_get_ops() in tpm-space.c(CVE-2022-49286)

    cifs: potential buffer overflow in handling symlinks(CVE-2022-49058)

    extcon: Modify extcon device to be created after driver data is set(CVE-2022-49308)

    bfq: Update cgroup information before merging bio(CVE-2022-49413)

    cifs: prevent bad output lengths in smb2_ioctl_query_info().(CVE-2022-49271)

    media: cx24116: prevent overflows on SNR calculus(CVE-2024-50290)

    thermal/core: Fix memory leak in __thermal_cooling_device_register().(CVE-2022-49468)

    nbd: call genl_unregister_family() first in nbd_cleanup().(CVE-2022-49295)

    blk-mq: don't touch -tagset in blk_mq_get_sq_hctx(CVE-2022-49377)

    bfq: Make sure bfqg for which we are queueing requests is online(CVE-2022-49411)

    nvdimm: Fix firmware activation deadlock scenarios(CVE-2022-49446)

    crypto: qat - add param check for DH(CVE-2022-49564)

    nbd: fix race between nbd_alloc_config() and module removal(CVE-2022-49300)

    nbd: fix io hung while disconnecting device(CVE-2022-49297)

    net: usb: rtl8150: enable basic endpoint checking(CVE-2025-21708)

    scsi: target: tcmu: Fix possible page UAF(CVE-2022-49053)

    block: don't delete queue kobject before its children(CVE-2022-49259)

    md/bitmap: don't set sb values if can't pass sanity check(CVE-2022-49526)

    mm/slub: add missing TID updates on slab deactivation(CVE-2022-49700)

    block: Fix handling of offline queues in blk_mq_alloc_request_hctx().(CVE-2022-49720)

    ext4: fix race condition between ext4_write and ext4_convert_inline_data(CVE-2022-49414)

    ext4: fix bug_on in __es_tree_search(CVE-2022-49409)

    net: hns3: fix oops when unload drivers paralleling(CVE-2025-21802)

    irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions(CVE-2022-49715)

    mm/mempolicy: fix mpol_new leak in shared_policy_replace(CVE-2022-49080)

    ext4: fix bug_on ext4_mb_use_inode_pa(CVE-2022-49708)

    ext4: add reserved GDT blocks check(CVE-2022-49707)

    irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions(CVE-2022-49716)

    mm: fix unexpected zeroed page mapping with zram swap(CVE-2022-49052)

    scsi: qla2xxx: Fix crash during module load unload test(CVE-2022-49160)

    sctp: sysctl: rto_min/max: avoid using current-nsproxy(CVE-2025-21639)

    crypto: qat - fix memory leak in RSA(CVE-2022-49566)

    net/mlx5: Fix variable not being completed when function returns(CVE-2025-21662)

    scsi: storvsc: Ratelimit warning logs to prevent VM denial of service(CVE-2025-21690)

    vfio/platform: check the bounds of read/write syscalls(CVE-2025-21687)

    USB: serial: quatech2: fix null-ptr-deref in qt2_process_read_urb().(CVE-2025-21689)

    ipvs: fix UB due to uninitialized stack access in ip_vs_protocol_init().(CVE-2024-53680)

    bpf: fix recursive lock when verdict program return SK_PASS(CVE-2024-56694)

    mm: zswap: properly synchronize freeing resources during CPU hotunplug(CVE-2025-21693)

    ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up(CVE-2025-21887)

    net: asix: add proper error handling of usb read errors(CVE-2022-49226)

    mm/khugepaged: fix -anon_vma race(CVE-2023-52935)

    HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections(CVE-2024-57986)

    proc: fix UAF in proc_get_inode().(CVE-2025-21999)

    smb: client: Add check for next_buffer in receive_encrypted_standard().(CVE-2025-21844)

    exec: don't WARN for racy path_noexec check(CVE-2024-50010)

    kthread: unpark only parked kthread(CVE-2024-50019)

Tenable has extracted the preceding description block directly from the EulerOS kernel security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:1241-1 advisory.

    The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes.

    The following security bugs were fixed:

    - CVE-2022-49053: scsi: target: tcmu: Fix possible page UAF (bsc#1237918).
    - CVE-2022-49465: blk-throttle: Set BIO_THROTTLED when bio has been throttled (bsc#1238919).
    - CVE-2022-49739: gfs2: Always check inode size of inline inodes (bsc#1240207).
    - CVE-2023-52935: mm/khugepaged: fix ->anon_vma race (bsc#1240276).
    - CVE-2024-53124: net: fix data-races around sk->sk_forward_alloc (bsc#1234074).
    - CVE-2024-53176: smb: During unmount, ensure all cached dir instances drop their dentry (bsc#1234894).
    - CVE-2024-53178: smb: Do not leak cfid when reconnect races with open_cached_dir (bsc#1234895).
    - CVE-2024-56651: can: hi311x: hi3110_can_ist(): fix potential use-after-free (bsc#1235528).
    - CVE-2024-57996: net_sched: sch_sfq: do not allow 1 packet limit (bsc#1239076).
    - CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmt_remove_adv_monitor_sync     (bsc#1239095).
    - CVE-2024-58014: wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy() (bsc#1239109).
    - CVE-2025-21693: mm: zswap: properly synchronize freeing resources during CPU hotunplug (bsc#1237029).
    - CVE-2025-21718: net: rose: fix timer races against user threads (bsc#1239073).
    - CVE-2025-21772: partitions: mac: fix handling of bogus partition table (bsc#1238911).
    - CVE-2025-21780: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() (bsc#1239115).


Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - xsk: Fix race at socket teardown Fix a race in the xsk socket teardown code that can lead to a NULL     pointer dereference splat. The current xsk unbind code in xsk_unbind_dev() starts by setting xs->state to     XSK_UNBOUND, sets xs->dev to NULL and then waits for any NAPI processing to terminate using     synchronize_net(). After that, the release code starts to tear down the socket state and free allocated     memory. BUG: kernel NULL pointer dereference, address: 00000000000000c0 PGD 8000000932469067 P4D     8000000932469067 PUD 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 25 PID: 69132 Comm: grpcpp_sync_ser Tainted: G     I 5.16.0+ #2 Hardware name: Dell Inc. PowerEdge R730/0599V5, BIOS 1.2.10 03/09/2015 RIP:
    0010:__xsk_sendmsg+0x2c/0x690 [...] RSP: 0018:ffffa2348bd13d50 EFLAGS: 00010246 RAX: 0000000000000000 RBX:
    0000000000000040 RCX: ffff8d5fc632d258 RDX: 0000000000400000 RSI: ffffa2348bd13e10 RDI: ffff8d5fc5489800     RBP: ffffa2348bd13db0 R08: 0000000000000000 R09: 00007ffffffff000 R10: 0000000000000000 R11:
    0000000000000000 R12: ffff8d5fc5489800 R13: ffff8d5fcb0f5140 R14: ffff8d5fcb0f5140 R15: 0000000000000000     FS: 00007f991cff9400(0000) GS:ffff8d6f1f700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000     CR0: 0000000080050033 CR2: 00000000000000c0 CR3: 0000000114888005 CR4: 00000000001706e0 Call Trace: <TASK>     ? aa_sk_perm+0x43/0x1b0 xsk_sendmsg+0xf0/0x110 sock_sendmsg+0x65/0x70 __sys_sendto+0x113/0x190 ?     debug_smp_processor_id+0x17/0x20 ? fpregs_assert_state_consistent+0x23/0x50 ?     exit_to_user_mode_prepare+0xa5/0x1d0 __x64_sys_sendto+0x29/0x30 do_syscall_64+0x3b/0xc0     entry_SYSCALL_64_after_hwframe+0x44/0xae There are two problems with the current code. First, setting     xs->dev to NULL before waiting for all users to stop using the socket is not correct. The entry to the     data plane functions xsk_poll(), xsk_sendmsg(), and xsk_recvmsg() are all guarded by a test that xs->state     is in the state XSK_BOUND and if not, it returns right away. But one process might have passed this test     but still have not gotten to the point in which it uses xs->dev in the code. In this interim, a second     process executing xsk_unbind_dev() might have set xs->dev to NULL which will lead to a crash for the first     process. The solution here is just to get rid of this NULL assignment since it is not used anymore. Before     commit 42fddcc7c64b (xsk: use state member for socket synchronization), xs->dev was the gatekeeper to     admit processes into the data plane functions, but it was replaced with the state variable xs->state in     the aforementioned commit. The second problem is that synchronize_net() does not wait for any process in     xsk_poll(), xsk_sendmsg(), or xsk_recvmsg() to complete, which means that the state they rely on might be     cleaned up prematurely. This can happen when the notifier gets called (at driver unload for example) as it     uses xsk_unbind_dev(). Solve this by extending the RCU critical region from just the ndo_xsk_wakeup to the     whole functions mentioned above, so that both the test of xs->state == XSK_BOUND and the last use of any     member of xs is covered by the RCU critical section. This will guarantee that when synchronize_net()     completes, there will be no processes left executing xsk_poll(), xsk_sendmsg(), or xsk_recvmsg() and state     can be cleaned up safely. Note that we need to drop the RCU lock for the skb xmit path as it uses     functions that might sleep. Due to this, we have to retest the xs->state after we grab the mutex that     protects the skb xmit code from, among a number of things, an xsk_unbind_dev() being executed from the     notifier at the same time. (CVE-2022-49215)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8267 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)

    * use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)

    * smb2_ioctl_query_info NULL pointer dereference (CVE-2022-0168)

    * NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)

    * swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)

    * uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)

    * race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)

    * use-after-free and memory errors in ext4 when mounting and operating on a corrupted image     (CVE-2022-1184)

    * concurrency use-after-free between drm_setmaster_ioctl and drm_mode_getresources (CVE-2022-1280)

    * kernel info leak issue in pfkey_register (CVE-2022-1353)

    * use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679)

    * NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)

    * fanotify misuses fd_install() which could lead to use-after-free (CVE-2022-1998)

    * nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)

    * integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)

    * slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)

    * incomplete clean-up of multi-core shared buffers (aka SBDR) (CVE-2022-21123)

    * incomplete clean-up of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)

    * incomplete clean-up in specific special register write operations (aka DRPW) (CVE-2022-21166)

    * possible to use the debugger to write zero into a location of choice (CVE-2022-21499)

    * AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816,     CVE-2022-29900)

    * AMD: Branch Type Confusion (non-retbleed) (CVE-2022-23825)

    * Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

    * double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)

    * use after free in SUNRPC subsystem (CVE-2022-28893)

    * use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)

    * Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)

    * DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)

    * nf_tables disallow binding to already bound chain (CVE-2022-39190)

    * nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
265114	EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2025-2168)	Nessus	Huawei Local Security Checks	high
265107	EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2025-2169)	Nessus	Huawei Local Security Checks	high
241018	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-1704)	Nessus	Huawei Local Security Checks	high
241015	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-1689)	Nessus	Huawei Local Security Checks	high
238410	EulerOS 2.0 SP11 : kernel (EulerOS-SA-2025-1662)	Nessus	Huawei Local Security Checks	high
238408	EulerOS 2.0 SP11 : kernel (EulerOS-SA-2025-1661)	Nessus	Huawei Local Security Checks	high
238183	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2025-1590)	Nessus	Huawei Local Security Checks	high
238182	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2025-1589)	Nessus	Huawei Local Security Checks	high
234407	SUSE SLES15 Security Update : kernel (SUSE-SU-2025:1241-1)	Nessus	SuSE Local Security Checks	high
225303	Linux Distros Unpatched Vulnerability : CVE-2022-49215	Nessus	Misc.	medium
167620	RHEL 9 : kernel (RHSA-2022:8267)	Nessus	Red Hat Local Security Checks	high

Detections

Analytics

CVE-2022-49215

medium

Tenable Plugins

high

high

high

high

high

high

high

high

high

medium

high