In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU context when the SMM flag is cleared Immediately reset the MMU context when the vCPU's SMM flag is cleared so that the SMM flag in the MMU role is always synchronized with the vCPU's flag. If RSM fails (which isn't correctly emulated), KVM will bail without calling post_leave_smm() and leave the MMU in a bad state. The bad MMU role can lead to a NULL pointer dereference when grabbing a shadow page's rmap for a page fault as the initial lookups for the gfn will happen with the vCPU's SMM flag (=0), whereas the rmap lookup will use the shadow page's SMM flag, which comes from the MMU (=1). SMM has an entirely different set of memslots, and so the initial lookup can find a memslot (SMM=0) and then explode on the rmap memslot lookup (SMM=1). general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 8410 Comm: syz-executor382 Not tainted 5.13.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__gfn_to_rmap arch/x86/kvm/mmu/mmu.c:935 [inline] RIP: 0010:gfn_to_rmap+0x2b0/0x4d0 arch/x86/kvm/mmu/mmu.c:947 Code: <42> 80 3c 20 00 74 08 4c 89 ff e8 f1 79 a9 00 4c 89 fb 4d 8b 37 44 RSP: 0018:ffffc90000ffef98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888015b9f414 RCX: ffff888019669c40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff811d9cdb R09: ffffed10065a6002 R10: ffffed10065a6002 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000000 FS: 000000000124b300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000028e31000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rmap_add arch/x86/kvm/mmu/mmu.c:965 [inline] mmu_set_spte+0x862/0xe60 arch/x86/kvm/mmu/mmu.c:2604 __direct_map arch/x86/kvm/mmu/mmu.c:2862 [inline] direct_page_fault+0x1f74/0x2b70 arch/x86/kvm/mmu/mmu.c:3769 kvm_mmu_do_page_fault arch/x86/kvm/mmu.h:124 [inline] kvm_mmu_page_fault+0x199/0x1440 arch/x86/kvm/mmu/mmu.c:5065 vmx_handle_exit+0x26/0x160 arch/x86/kvm/vmx/vmx.c:6122 vcpu_enter_guest+0x3bdd/0x9630 arch/x86/kvm/x86.c:9428 vcpu_run+0x416/0xc20 arch/x86/kvm/x86.c:9494 kvm_arch_vcpu_ioctl_run+0x4e8/0xa40 arch/x86/kvm/x86.c:9722 kvm_vcpu_ioctl+0x70f/0xbb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3460 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:1069 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:1055 do_syscall_64+0x3f/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x440ce9

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987072 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

    Immediately reset the MMU context when the vCPU's SMM flag is cleared so     that the SMM flag in the MMU role is always synchronized with the vCPU's     flag.  If RSM fails (which isn't correctly emulated), KVM will bail     without calling post_leave_smm() and leave the MMU in a bad state.

    The bad MMU role can lead to a NULL pointer dereference when grabbing a     shadow page's rmap for a page fault as the initial lookups for the gfn     will happen with the vCPU's SMM flag (=0), whereas the rmap lookup will     use the shadow page's SMM flag, which comes from the MMU (=1).  SMM has     an entirely different set of memslots, and so the initial lookup can find     a memslot (SMM=0) and then explode on the rmap memslot lookup (SMM=1).

      general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP     KASAN       KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]       CPU: 1 PID: 8410 Comm: syz-executor382 Not tainted 5.13.0-rc5-syzkaller #0       Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011       RIP: 0010:__gfn_to_rmap arch/x86/kvm/mmu/mmu.c:935 [inline]       RIP: 0010:gfn_to_rmap+0x2b0/0x4d0 arch/x86/kvm/mmu/mmu.c:947       Code: <42> 80 3c 20 00 74 08 4c 89 ff e8 f1 79 a9 00 4c 89 fb 4d 8b 37 44       RSP: 0018:ffffc90000ffef98 EFLAGS: 00010246       RAX: 0000000000000000 RBX: ffff888015b9f414 RCX: ffff888019669c40       RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001       RBP: 0000000000000001 R08: ffffffff811d9cdb R09: ffffed10065a6002       R10: ffffed10065a6002 R11: 0000000000000000 R12: dffffc0000000000       R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000000       FS:  000000000124b300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000       CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033       CR2: 0000000000000000 CR3: 0000000028e31000 CR4: 00000000001526e0       DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000       DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400       Call Trace:
       rmap_add arch/x86/kvm/mmu/mmu.c:965 [inline]        mmu_set_spte+0x862/0xe60 arch/x86/kvm/mmu/mmu.c:2604
       __direct_map arch/x86/kvm/mmu/mmu.c:2862 [inline]        direct_page_fault+0x1f74/0x2b70 arch/x86/kvm/mmu/mmu.c:3769        kvm_mmu_do_page_fault arch/x86/kvm/mmu.h:124 [inline]        kvm_mmu_page_fault+0x199/0x1440 arch/x86/kvm/mmu/mmu.c:5065        vmx_handle_exit+0x26/0x160 arch/x86/kvm/vmx/vmx.c:6122        vcpu_enter_guest+0x3bdd/0x9630 arch/x86/kvm/x86.c:9428        vcpu_run+0x416/0xc20 arch/x86/kvm/x86.c:9494        kvm_arch_vcpu_ioctl_run+0x4e8/0xa40 arch/x86/kvm/x86.c:9722        kvm_vcpu_ioctl+0x70f/0xbb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3460        vfs_ioctl fs/ioctl.c:51 [inline]
       __do_sys_ioctl fs/ioctl.c:1069 [inline]
       __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:1055        do_syscall_64+0x3f/0xb0 arch/x86/entry/common.c:47        entry_SYSCALL_64_after_hwframe+0x44/0xae       RIP: 0033:0x440ce9

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

Note that Nessus has not tested for this issue 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.

  - In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU     context when the SMM flag is cleared Immediately reset the MMU context when the vCPU's SMM flag is cleared     so that the SMM flag in the MMU role is always synchronized with the vCPU's flag. If RSM fails (which     isn't correctly emulated), KVM will bail without calling post_leave_smm() and leave the MMU in a bad     state. The bad MMU role can lead to a NULL pointer dereference when grabbing a shadow page's rmap for a     page fault as the initial lookups for the gfn will happen with the vCPU's SMM flag (=0), whereas the rmap     lookup will use the shadow page's SMM flag, which comes from the MMU (=1). SMM has an entirely different     set of memslots, and so the initial lookup can find a memslot (SMM=0) and then explode on the rmap memslot     lookup (SMM=1). general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1]     PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 8410     Comm: syz-executor382 Not tainted 5.13.0-rc5-syzkaller #0 Hardware name: Google Google Compute     Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__gfn_to_rmap arch/x86/kvm/mmu/mmu.c:935     [inline] RIP: 0010:gfn_to_rmap+0x2b0/0x4d0 arch/x86/kvm/mmu/mmu.c:947 Code: <42> 80 3c 20 00 74 08 4c 89     ff e8 f1 79 a9 00 4c 89 fb 4d 8b 37 44 RSP: 0018:ffffc90000ffef98 EFLAGS: 00010246 RAX: 0000000000000000     RBX: ffff888015b9f414 RCX: ffff888019669c40 RDX: 0000000000000000 RSI: 0000000000000001 RDI:
    0000000000000001 RBP: 0000000000000001 R08: ffffffff811d9cdb R09: ffffed10065a6002 R10: ffffed10065a6002     R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000003 R14: 0000000000000001 R15:
    0000000000000000 FS: 000000000124b300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS:
    0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000028e31000 CR4: 00000000001526e0 DR0:
    0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0     DR7: 0000000000000400 Call Trace: rmap_add arch/x86/kvm/mmu/mmu.c:965 [inline] mmu_set_spte+0x862/0xe60     arch/x86/kvm/mmu/mmu.c:2604 __direct_map arch/x86/kvm/mmu/mmu.c:2862 [inline]     direct_page_fault+0x1f74/0x2b70 arch/x86/kvm/mmu/mmu.c:3769 kvm_mmu_do_page_fault arch/x86/kvm/mmu.h:124     [inline] kvm_mmu_page_fault+0x199/0x1440 arch/x86/kvm/mmu/mmu.c:5065 vmx_handle_exit+0x26/0x160     arch/x86/kvm/vmx/vmx.c:6122 vcpu_enter_guest+0x3bdd/0x9630 arch/x86/kvm/x86.c:9428 vcpu_run+0x416/0xc20     arch/x86/kvm/x86.c:9494 kvm_arch_vcpu_ioctl_run+0x4e8/0xa40 arch/x86/kvm/x86.c:9722     kvm_vcpu_ioctl+0x70f/0xbb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3460 vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:1069 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:1055 do_syscall_64+0x3f/0xb0     arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x440ce9 (CVE-2021-47230)

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

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

    kernel:ACPI: CPPC: Use access_width over bit_width for system memory accesses(CVE-2024-35995)

    ACPI: LPIT: Avoid u32 multiplication overflow(CVE-2023-52683)

    ACPI: video: check for error while searching for backlight device parent(CVE-2023-52693)

    bpf: Fix stackmap overflow check on 32-bit arches(CVE-2024-36949)

    kernel: block: fix overflow in blk_ioctl_discard()(CVE-2024-36917)

    kernel:block: prevent division by zero in blk_rq_stat_sum()(CVE-2024-35925)

    bpf, skmsg: Fix NULL pointer dereference in sk_psock_skb_ingress_enqueue(CVE-2024-36938)

    bpf, sockmap: Prevent lock inversion deadlock in map delete elem(CVE-2024-35895)

    kernel:calipso: fix memory leak in netlbl_calipso_add_pass()(CVE-2023-52698)

    drm/amd/display: Avoid NULL dereference of timing generator(CVE-2023-52753)

    drm/amd/display: Skip on writeback when it's not applicable(CVE-2024-36914)

    kernel:erspan: make sure erspan_base_hdr is present in skb-head(CVE-2024-35888)

    kernel: ext4: fix corruption during on-line resize(CVE-2024-35807)

    kernel: ext4: fix possible UAF when remounting r/o a mmp-protected file system(CVE-2021-47342)

    firewire: ohci: mask bus reset interrupts between ISR and bottom half(CVE-2024-36950)

    gfs2: ignore negated quota changes(CVE-2023-52759)

    kernel:HID: i2c-hid: remove I2C_HID_READ_PENDING flag to prevent lock-up(CVE-2024-35997)

    kernel:i2c: smbus: fix NULL function pointer dereference(CVE-2024-35984)

    kernel:i40e: Do not use WQ_MEM_RECLAIM flag for workqueue(CVE-2024-36004)

    kernel:ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()(CVE-2024-36902)

    kernel:ipv6: Fix infinite recursion in fib6_dump_done().(CVE-2024-35886)

    kernel:ipv6: prevent NULL dereference in ip6_output()(CVE-2024-36901)

    kernel:ipvlan: add ipvlan_route_v6_outbound() helper(CVE-2023-52796)

    kernel: md/dm-raid: don#39;t call md_reap_sync_thread() directly(CVE-2024-35808)

    media: bttv: fix use after free error due to btv-timeout timer(CVE-2023-52847)

    media: gspca: cpia1: shift-out-of-bounds in set_flicker(CVE-2023-52764)

    mlxsw: spectrum_acl_tcam: Fix possible use-after-free during activity update(CVE-2024-35855)

    mlxsw: spectrum_acl_tcam: Fix warning during rehash(CVE-2024-36007)

    kernel:net/mlx5: Properly link new fs rules into the tree(CVE-2024-35960)

    kernel:net/mlx5e: fix a double-free in arfs_create_groups(CVE-2024-35835)

    kernel:net: fix __dst_negative_advice() race(CVE-2024-36971)

    kernel:net: fix out-of-bounds access in ops_init(CVE-2024-36883)

    kernel:netfilter: validate user input for expected length(CVE-2024-35896)

    NFS: fs_context: validate UDP retrans to prevent shift out-of-bounds(CVE-2021-46952)

    nsh: Restore skb-{protocol,data,mac_header} for outer header in nsh_gso_segment().(CVE-2024-36933)

    nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells(CVE-2021-47497)

    kernel: PCI/PM: Drain runtime-idle callbacks before driver removal(CVE-2024-35809)

    kernel: pinctrl: core: delete incorrect free in pinctrl_enable()(CVE-2024-36940)

    platform/x86: wmi: Fix opening of char device(CVE-2023-52864)

    ppdev: Add an error check in register_device(CVE-2024-36015)

    kernel:RDMA: Verify port when creating flow rule(CVE-2021-47265)

    kernel:ring-buffer: Fix a race between readers and resize checks(CVE-2024-38601)

    kernel: scsi: bnx2fc: Remove spin_lock_bh while releasing resources after upload(CVE-2024-36919)

    kernel:scsi: iscsi: Fix iscsi_task use after free(CVE-2021-47427)

    kernel:scsi: lpfc: Release hbalock before calling lpfc_worker_wake_up()(CVE-2024-36924)

    kernel: selinux: avoid dereference of garbage after mount failure(CVE-2024-35904)

    kernel: smb: client: fix use-after-free bug in cifs_debug_data_proc_show()(CVE-2023-52752)

    kernel:tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets(CVE-2024-36905)

    kernel:tcp: properly terminate timers for kernel sockets(CVE-2024-35910)

    kernel:tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().(CVE-2024-36904)

    kernel: thermal: core: prevent potential string overflow(CVE-2023-52868)

    tipc: fix a possible memleak in tipc_buf_append(CVE-2024-36954)

    tipc: fix UAF in error path(CVE-2024-36886)

    kernel:tty: n_gsm: fix possible out-of-bounds in gsm0_receive()(CVE-2024-36016)

    virtio-blk: fix implicit overflow on virtio_max_dma_size(CVE-2023-52762)

    wifi: mac80211: don't return unset power in ieee80211_get_tx_power()(CVE-2023-52832)

    kernel:llc: verify mac len before reading mac header(CVE-2023-52843)

    x86/mm/pat: fix VM_PAT handling in COW mappings(CVE-2024-35877)

    drm/client: Fully protect modes[] with dev-mode_config.mutex(CVE-2024-35950)

    mlxsw: spectrum_acl_tcam: Fix incorrect list API usage(CVE-2024-36006)

    net: bridge: fix vlan tunnel dst refcnt when egressing(CVE-2021-47222)

    net: bridge: fix vlan tunnel dst null pointer dereference(CVE-2021-47223)

    KVM: x86: Immediately reset the MMU context when the SMM flag is cleared(CVE-2021-47230)

    kernel:net: cdc_eem: fix tx fixup skb leak(CVE-2021-47236)

    net: ipv4: fix memory leak in ip_mc_add1_src(CVE-2021-47238)

    netfilter: synproxy: Fix out of bounds when parsing TCP options(CVE-2021-47245)

    udp: fix race between close() and udp_abort()(CVE-2021-47248)

    net: ipv4: fix memory leak in netlbl_cipsov4_add_std(CVE-2021-47250)

    kvm: LAPIC: Restore guard to prevent illegal APIC register access(CVE-2021-47255)

    NFS: Fix use-after-free in nfs4_init_client()(CVE-2021-47259)

    kernel: IB/mlx5: Fix initializing CQ fragments buffer(CVE-2021-47261)

    ftrace: Do not blindly read the ip address in ftrace_bug()(CVE-2021-47276)

    kernel:kvm: avoid speculation-based attacks from out-of-range memslot accesses(CVE-2021-47277)

    kernel: drm: Fix use-after-free read in drm_getunique()(CVE-2021-47280)

    isdn: mISDN: netjet: Fix crash in nj_probe(CVE-2021-47284)

    media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf()(CVE-2021-47288)

    net/sched: act_skbmod: Skip non-Ethernet packets(CVE-2021-47293)

    kernel:igb: Fix use-after-free error during reset(CVE-2021-47301)

    igc: Fix use-after-free error during reset(CVE-2021-47302)

    scsi: libfc: Fix array index out of bound exception(CVE-2021-47308)

    virtio-blk: Fix memory leak among suspend/resume procedure(CVE-2021-47319)

    scsi: iscsi: Fix conn use after free during resets(CVE-2021-47328)

    kernel:scsi: megaraid_sas: Fix resource leak in case of probe failure(CVE-2021-47329)

    KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio(CVE-2021-47341)

    kernel: udf: Fix NULL pointer dereference in udf_symlink function(CVE-2021-47353)

    bpf: Add oversize check before call kvcalloc()(CVE-2021-47376)

    mac80211: limit injected vht mcs     ss in ieee80211_parse_tx_radiotap(CVE-2021-47395)

    kernel:sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb(CVE-2021-47397)

    ixgbe: Fix NULL pointer dereference in ixgbe_xdp_setup(CVE-2021-47399)

    HID: usbhid: free raw_report buffers in usbhid_stop(CVE-2021-47405)

    KVM: x86: Handle SRCU initialization failure during page track init(CVE-2021-47407)

    phy: mdio: fix memory leak(CVE-2021-47416)

    net_sched: fix NULL deref in fifo_set_limit()(CVE-2021-47418)

    i40e: Fix freeing of uninitialized misc IRQ vector(CVE-2021-47424)

    kernel:i2c: acpi: fix resource leak in reconfiguration device addition(CVE-2021-47425)

    xhci: Fix command ring pointer corruption while aborting a command(CVE-2021-47434)

    kernel:net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path(CVE-2021-47438)

    can: peak_pci: peak_pci_remove(): fix UAF(CVE-2021-47456)

    audit: fix possible null-pointer dereference in audit_filter_rules(CVE-2021-47464)

    kernel: mm, slub: fix potential memoryleak in kmem_cache_open()(CVE-2021-47466)

    isdn: mISDN: Fix sleeping function called from invalid context(CVE-2021-47468)

    kernel: scsi: qla2xxx: Fix a memory leak in an error path of qla2x00_process_els()(CVE-2021-47473)

    kernel: isofs: Fix out of bound access for corrupted isofs image(CVE-2021-47478)

    kernel:regmap: Fix possible double-free in regcache_rbtree_exit()(CVE-2021-47483)

    kernel:usbnet: sanity check for maxpacket(CVE-2021-47495)

    net/tls: Fix flipped sign in tls_err_abort() calls(CVE-2021-47496)

    kernel:i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc(CVE-2021-47501)

    ALSA: pcm: oss: Fix negative period/buffer sizes(CVE-2021-47511)

    kernel:nfp: Fix memory leak in nfp_cpp_area_cache_add()(CVE-2021-47516)

    serial: core: fix transmit-buffer reset and memleak(CVE-2021-47527)

    kernel:net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()(CVE-2021-47541)

    tcp: fix page frag corruption on page fault(CVE-2021-47544)

    kernel: scsi: mpt3sas: Fix kernel panic during drive powercycle test(CVE-2021-47565)

    scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()(CVE-2021-47576)

    ovl: fix warning in ovl_create_real()(CVE-2021-47579)

    media: mxl111sf: change mutex_init() location(CVE-2021-47583)

    sit: do not call ipip6_dev_free() from sit_init_net()(CVE-2021-47588)

    igbvf: fix double free in `igbvf_probe`(CVE-2021-47589)

    kernel:inet_diag: fix kernel-infoleak for UDP sockets(CVE-2021-47597)

    mac80211: track only QoS data frames for admission control(CVE-2021-47602)

    net: netlink: af_netlink: Prevent empty skb by adding a check on len.(CVE-2021-47606)

    PCI: pciehp: Fix infinite loop in IRQ handler upon power fault(CVE-2021-47617)

    kernel:i40e: Fix queues reservation for XDP(CVE-2021-47619)

    kernel: scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe(CVE-2022-48715)

    drm     ouveau: fix off by one in BIOS boundary checking(CVE-2022-48732)

    rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()(CVE-2022-48742)

    net: amd-xgbe: Fix skb data length underflow(CVE-2022-48743)

    kernel:net/mlx5e: Avoid field-overflowing memcpy()(CVE-2022-48744)

    kernel:block: Fix wrong offset in bio_truncate()(CVE-2022-48747)

    phylib: fix potential use-after-free(CVE-2022-48754)

    net: fix information leakage in /proc/net/ptype(CVE-2022-48757)

    scsi: bnx2fc: Flush destroy_work queue before calling bnx2fc_interface_put()(CVE-2022-48758)

    USB: core: Fix hang in usb_kill_urb by adding memory barriers(CVE-2022-48760)

    media: lgdt3306a: Add a check against null-pointer-def(CVE-2022-48772)

    Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj(CVE-2022-48775)

    vsock: remove vsock from connected table when connect is interrupted by a signal(CVE-2022-48786)

    nvme-rdma: fix possible use-after-free in transport error_recovery work(CVE-2022-48788)

    nvme-tcp: fix possible use-after-free in transport error_recovery work(CVE-2022-48789)

    nvme: fix a possible use-after-free in controller reset during load(CVE-2022-48790)

    kernel:vt_ioctl: fix array_index_nospec in vt_setactivate(CVE-2022-48804)

    net: fix a memleak when uncloning an skb dst and its metadata(CVE-2022-48809)

    ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path(CVE-2022-48810)

    scsi: qedf: Fix refcount issue when LOGO is received during TMF(CVE-2022-48823)

    NFSD: Fix ia_size underflow(CVE-2022-48828)

    Input: aiptek - properly check endpoint type(CVE-2022-48836)

    net/packet: fix slab-out-of-bounds access in packet_recvmsg()(CVE-2022-48839)

    drm/vrr: Set VRR capable prop only if it is attached to connector(CVE-2022-48843)

    net-sysfs: add check for netdevice being present to speed_show(CVE-2022-48850)

    kernel:sctp: fix kernel-infoleak for SCTP sockets(CVE-2022-48855)

    tipc: fix kernel panic when enabling bearer(CVE-2022-48865)

    The brcm80211 component in the Linux kernel through 6.5.10 has a brcmf_cfg80211_detach use-after-free in     the device unplugging (disconnect the USB by hotplug) code. For physically proximate attackers with local     access, this 'could be exploited in a real world scenario.' This is related to     brcmf_cfg80211_escan_timeout_worker in     drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c.(CVE-2023-47233)

    kernel:net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path(CVE-2023-52703)

    sched/psi: Fix use-after-free in ep_remove_wait_queue()(CVE-2023-52707)

    mmc: sdio: fix possible resource leaks in some error paths(CVE-2023-52730)

    cifs: Fix use-after-free in rdata-read_into_pages()(CVE-2023-52741)

    IB/hfi1: Restore allocated resources on failed copyout(CVE-2023-52747)

    media: imon: fix access to invalid resource for the second interface(CVE-2023-52754)

    kernel:SUNRPC: Fix RPC client cleaned up the freed pipefs dentries(CVE-2023-52803)

    scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup()(CVE-2023-52809)

    kernel: crypto: pcrypt - Fix hungtask for PADATA_RESET(CVE-2023-52813)

    atl1c: Work around the DMA RX overflow issue(CVE-2023-52834)

    tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING(CVE-2023-52845)

    tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc(CVE-2023-52880)

    kernel:tcp: do not accept ACK of bytes we never sent(CVE-2023-52881)

    A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious     actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL     pointer dereference in the NVMe driver, causing kernel panic and a denial of service.(CVE-2023-6536)

    In the Linux kernel through 6.7.1, there is a use-after-free in cec_queue_msg_fh, related to     drivers/media/cec/core/cec-adap.c and drivers/media/cec/core/cec-api.c.(CVE-2024-23848)

    A race condition was found in the Linux kernel's net/bluetooth in sniff_{min,max}_interval_set() function.
    This can result in a bluetooth sniffing exception issue, possibly leading denial of     service.(CVE-2024-24859)

    ipv6: fix potential 'struct net' leak in inet6_rtm_getaddr()(CVE-2024-27417)

    genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline(CVE-2024-31076)

    ipvlan: Dont Use skb-sk in ipvlan_process_v{4,6}_outbound(CVE-2024-33621)

    kernel: wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes(CVE-2024-35789)

    kernel:fix lockup in dm_exception_table_exit  There was reported lockup(CVE-2024-35805)

    wifi: brcmfmac: Fix use-after-free bug in brcmf_cfg80211_detach(CVE-2024-35811)

    mlxsw: spectrum_acl_tcam: Fix memory leak during rehash(CVE-2024-35853)

    net/sched: act_skbmod: prevent kernel-infoleak(CVE-2024-35893)

    netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()(CVE-2024-35898)

    kernel:scsi: lpfc: Fix possible memory leak in lpfc_rcv_padisc()  (CVE-2024-35930)

    dyndbg: fix old BUG_ON in control parser(CVE-2024-35947)

    kernel:netfilter: complete validation of user input(CVE-2024-35962)

    kernel:ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr(CVE-2024-35969)

    xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING(CVE-2024-35976)

    rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation(CVE-2024-36017)

    netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()(CVE-2024-36286)

    wifi: nl80211: don't free NULL coalescing rule(CVE-2024-36941)

    kernel: scsi: lpfc: Move NPIV's transport unregistration to after resource clean up(CVE-2024-36952)

    drm/vmwgfx: Fix invalid reads in fence signaled events(CVE-2024-36960)

    kernel:virtio: delete vq in vp_find_vqs_msix() when request_irq() fails(CVE-2024-37353)

    kernel:tcp: Fix shift-out-of-bounds in dctcp_update_alpha().(CVE-2024-37356)

    kernel:net: bridge: xmit: make sure we have at least eth header len bytes(CVE-2024-38538)

    drm/amd/display: Fix potential index out of bounds in color transformation function(CVE-2024-38552)

    net: openvswitch: fix overwriting ct original tuple for ICMPv6(CVE-2024-38558)

    kernel:scsi: qedf: Ensure the copied buf is NUL terminated(CVE-2024-38559)

    kernel:ftrace: Fix possible use-after-free issue in ftrace_location()(CVE-2024-38588)

    kernel:af_unix: Fix data races in unix_release_sock/unix_stream_sendmsg(CVE-2024-38596)

    kernel: ext4: fix mb_cache_entry#39;s e_refcnt leak in ext4_xattr_block_cache_find()(CVE-2024-39276)

    kernel:kdb: Fix buffer overflow during tab-complete(CVE-2024-39480)

    kernel:bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()(CVE-2024-39487)

    crypto: qat - Fix ADF_DEV_RESET_SYNC memory leak(CVE-2024-39493)

    kernel:ima: Fix use-after-free on a dentry's dname.name(CVE-2024-39494)

    vmci: prevent speculation leaks by sanitizing event in event_deliver()(CVE-2024-39499)

    drivers: core: synchronize really_probe() and dev_uevent()(CVE-2024-39501)

    scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory(CVE-2024-40901)

    kernel:USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages(CVE-2024-40904)

    kernel:ipv6: prevent possible NULL dereference in rt6_probe()(CVE-2024-40960)

    scsi: qedi: Fix crash while reading debugfs attribute(CVE-2024-40978)

    kernel:ACPICA: Revert 'ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine.(CVE-2024-40984)

    kernel:net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()(CVE-2024-40995)

    kernel:ext4: fix uninitialized ratelimit_state-lock access in __ext4_fill_super()(CVE-2024-40998)

    kernel:netpoll: Fix race condition in netpoll_owner_active(CVE-2024-41005)

    kernel:tcp: avoid too many retransmit packets(CVE-2024-41007)

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-2024:2185-1 advisory.

    The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bugfixes.

    The following security bugs were fixed:

    - CVE-2021-47378: Destroy cm id before destroy qp to avoid use after free (bsc#1225201).
    - CVE-2021-47496: Fix flipped sign in tls_err_abort() calls (bsc#1225354)
    - CVE-2021-47402: Protect fl_walk() with rcu (bsc#1225301)
    - CVE-2022-48673: kABI workarounds for struct smc_link (bsc#1223934).
    - CVE-2023-52871: Handle a second device without data corruption (bsc#1225534)
    - CVE-2024-26828: Fix underflow in parse_server_interfaces() (bsc#1223084).
    - CVE-2021-47497: Fixed shift-out-of-bound (UBSAN) with byte size cells (bsc#1225355).
    - CVE-2021-47500: Fixed trigger reference couting (bsc#1225360).
    - CVE-2024-27413: Fix incorrect allocation size (bsc#1224438).
    - CVE-2021-47383: Fiedx out-of-bound vmalloc access in imageblit (bsc#1225208).
    - CVE-2021-47511: Fixed negative period/buffer sizes (bsc#1225411).
    - CVE-2023-52840: Fix use after free in rmi_unregister_function() (bsc#1224928).
    - CVE-2021-47261: Fix initializing CQ fragments buffer (bsc#1224954)
    - CVE-2021-47254: Fix use-after-free in gfs2_glock_shrink_scan (bsc#1224888).
    - CVE-2024-27398: Fixed use-after-free bugs caused by sco_sock_timeout (bsc#1224174).
    - CVE-2024-26921: Preserve kabi for sk_buff (bsc#1223138).
    - CVE-2023-52655: Check packet for fixup for true limit (bsc#1217169).
    - CVE-2023-4244: Fixed a use-after-free in the nf_tables component, which could be exploited to achieve     local privilege escalation (bsc#1215420).
    - CVE-2023-4244: Fixed a use-after-free in the nf_tables component, which could be exploited to achieve     local privilege escalation (bsc#1215420).
    - CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210335).
    - CVE-2023-52686: Fix a null pointer in opal_event_init() (bsc#1065729).


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 version of kernel installed on the remote host is prior to 5.4.129-62.227. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-004 advisory.

    A flaw was found in the Linux kernels implementation of wifi fragmentation handling. An attacker with the     ability to transmit within the wireless transmission range of an access point can abuse a flaw where     previous contents of wifi fragments can be unintentionally transmitted to another device. (CVE-2020-24586)

    A flaw was found in the Linux kernel's WiFi implementation. An attacker within the wireless range can     abuse a logic flaw in the WiFi implementation by reassembling packets from multiple fragments under     different keys, treating them as valid. This flaw allows an attacker to send a fragment under an incorrect     key, treating them as a valid fragment under the new key. The highest threat from this vulnerability is to     confidentiality. (CVE-2020-24587)

    A flaw was found in the Linux kernels wifi implementation. An attacker within wireless broadcast range can     inject custom data into the wireless communication circumventing checks on the data.  This can cause the     frame to pass checks and be considered a valid frame of a different type. (CVE-2020-24588)

    Frames used for authentication and key management between the AP and connected clients.  Some clients may     take these redirected frames masquerading as control mechanisms from the AP. (CVE-2020-26139)

    A vulnerability was found in Linux kernel's WiFi implementation.  An attacker within wireless range can     inject a control packet fragment where the kernel does not verify the Message Integrity Check     (authenticity) of fragmented TKIP frames. (CVE-2020-26141)

    A flaw was found in ath10k_htt_rx_proc_rx_frag_ind_hl in drivers/net/wireless/ath/ath10k/htt_rx.c in the     Linux kernel WiFi implementations, where it accepts a second (or subsequent) broadcast fragments even when     sent in plaintext and then process them as full unfragmented frames. The highest threat from this     vulnerability is to integrity. (CVE-2020-26145)

    A flaw was found in ieee80211_rx_h_defragment in net/mac80211/rx.c in the Linux Kernel's WiFi     implementation. This vulnerability can be abused to inject packets or exfiltrate selected fragments when     another device sends fragmented frames, and the WEP, CCMP, or GCMP data-confidentiality protocol is used.
    The highest threat from this vulnerability is to integrity. (CVE-2020-26147)

    A flaw was found in the Linux kernel in certs/blacklist.c, When signature entries for EFI_CERT_X509_GUID     are contained in the Secure Boot Forbidden Signature Database, the entries are skipped. This can cause a     security threat and breach system integrity, confidentiality and even lead to a denial of service problem.
    (CVE-2020-26541)

    A vulnerability was found in the bluez, where Passkey Entry protocol used in Secure Simple Pairing (SSP),     Secure Connections (SC) and LE Secure Connections (LESC) of the Bluetooth Core Specification is vulnerable     to an impersonation attack where an active attacker can impersonate the initiating device without any     previous knowledge. (CVE-2020-26558)

    A flaw was found in the Linux kernel. Improper access control in BlueZ may allow an authenticated user to     potentially enable information disclosure via adjacent access. The highest threat from this vulnerability     is to data confidentiality and integrity. (CVE-2021-0129)

    A flaw was found in the Linux kernel's KVM implementation, where improper handing of the VM_IO|VM_PFNMAP     VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest.
    This flaw allows users who can start and control a VM to read/write random pages of memory, resulting in     local privilege escalation. The highest threat from this vulnerability is to confidentiality, integrity,     and system availability. (CVE-2021-22543)

    A flaw was found in the Linux kernel's handling of the removal of Bluetooth HCI controllers. This flaw     allows an attacker with a local account to exploit a race condition, leading to corrupted memory and     possible privilege escalation. The highest threat from this vulnerability is to confidentiality,     integrity, as well as system availability. (CVE-2021-32399)

    A use-after-free flaw was found in hci_send_acl in the bluetooth host controller interface (HCI) in Linux     kernel, where a local attacker with an access rights could cause a denial of service problem on the system     The issue results from the object hchan, freed in hci_disconn_loglink_complete_evt, yet still used in     other places. The highest threat from this vulnerability is to data integrity, confidentiality and system     availability. (CVE-2021-33034)

    The canbus filesystem in the Linux kernel contains an information leak of kernel memory to devices on the     CAN bus network link layer.  An attacker with the ability to dump messages on the CAN bus is able to learn     of uninitialized stack values by dumbing messages on the can bus. (CVE-2021-34693)

    An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux     kernel. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a     system crash or a leak of internal kernel information. The highest threat from this vulnerability is to     system availability. (CVE-2021-3506)

    A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in     the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the     system. (CVE-2021-3564)

    A flaw use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in     the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call     hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(),     hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system     or escalate their privileges on the system. (CVE-2021-3573)

    A flaw was found in the Linux kernels NFC implementation, A NULL pointer dereference and BUG leading to a     denial of service can be triggered by a local unprivileged user causing a kernel panic. (CVE-2021-38208)

    In the Linux kernel, the following vulnerability has been resolved:

    HID: usbhid: fix info leak in hid_submit_ctrl

    In hid_submit_ctrl(), the way of calculating the report length doesn'ttake into account that report->size     can be zero. When running thesyzkaller reproducer, a report of size 0 causes hid_submit_ctrl) tocalculate     transfer_buffer_length as 16384. When this urb is passed tothe usb core layer, KMSAN reports an info leak     of 16384 bytes.

    To fix this, first modify hid_report_len() to account for the zeroreport size case by using DIV_ROUND_UP     for the division. Then, call itfrom hid_submit_ctrl(). (CVE-2021-46906)

    In the Linux kernel, the following vulnerability has been resolved:

    dm rq: fix double free of blk_mq_tag_set in dev remove after table load fails (CVE-2021-46938)

    In the Linux kernel, the following vulnerability has been resolved:

    tracing: Restructure trace_clock_global() to never block (CVE-2021-46939)

    In the Linux kernel, the following vulnerability has been resolved:

    md/raid1: properly indicate failure when ending a failed write request

    This patch addresses a data corruption bug in raid1 arrays using bitmaps.Without this fix, the bitmap bits     for the failed I/O end up being cleared.

    Since we are in the failure leg of raid1_end_write_request, the requesteither needs to be retried     (R1BIO_WriteError) or failed (R1BIO_Degraded). (CVE-2021-46950)

    In the Linux kernel, the following vulnerability has been resolved:

    tpm: efi: Use local variable for calculating final log size (CVE-2021-46951)

    In the Linux kernel, the following vulnerability has been resolved:

    ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure (CVE-2021-46953)

    In the Linux kernel, the following vulnerability has been resolved:

    openvswitch: fix stack OOB read while fragmenting IPv4 packets (CVE-2021-46955)

    In the Linux kernel, the following vulnerability has been resolved:

    virtiofs: fix memory leak in virtio_fs_probe() (CVE-2021-46956)

    In the Linux kernel, the following vulnerability has been resolved:

    spi: Fix use-after-free with devm_spi_alloc_* (CVE-2021-46959)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Return correct error code from smb2_get_enc_key (CVE-2021-46960)

    In the Linux kernel, the following vulnerability has been resolved:

    irqchip/gic-v3: Do not enable irqs when handling spurious interrups (CVE-2021-46961)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() (CVE-2021-46963)

    In the Linux kernel, the following vulnerability has been resolved:

    nbd: Fix NULL pointer in flush_workqueue (CVE-2021-46981)

    In the Linux kernel, the following vulnerability has been resolved:

    kyber: fix out of bounds access when preempted (CVE-2021-46984)

    In the Linux kernel, the following vulnerability has been resolved:

    ACPI: scan: Fix a memory leak in an error handling path (CVE-2021-46985)

    In the Linux kernel, the following vulnerability has been resolved:

    userfaultfd: release page in error path to avoid BUG_ON (CVE-2021-46988)

    In the Linux kernel, the following vulnerability has been resolved:

    hfsplus: prevent corruption in shrinking truncate (CVE-2021-46989)

    In the Linux kernel, the following vulnerability has been resolved:

    i40e: Fix use-after-free in i40e_client_subtask() (CVE-2021-46991)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: nftables: avoid overflows in nft_hash_buckets() (CVE-2021-46992)

    In the Linux kernel, the following vulnerability has been resolved:

    sched: Fix out-of-bound access in uclamp (CVE-2021-46993)

    In the Linux kernel, the following vulnerability has been resolved:

    sctp: do asoc update earlier in sctp_sf_do_dupcook_a (CVE-2021-46999)

    In the Linux kernel, the following vulnerability has been resolved:

    ceph: fix inode leak on getattr error in __fh_to_dentry (CVE-2021-47000)

    In the Linux kernel, the following vulnerability has been resolved:

    ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook (CVE-2021-47006)

    In the Linux kernel, the following vulnerability has been resolved:

    net: Only allow init netns to set default tcp cong to a restricted algo (CVE-2021-47010)

    In the Linux kernel, the following vulnerability has been resolved:

    net:emac/emac-mac: Fix a use after free in emac_mac_tx_buf_send (CVE-2021-47013)

    In the Linux kernel, the following vulnerability has been resolved:

    bnxt_en: Fix RX consumer index logic in the error path. (CVE-2021-47015)

    In the Linux kernel, the following vulnerability has been resolved:

    bus: qcom: Put child node before return (CVE-2021-47054)

    In the Linux kernel, the following vulnerability has been resolved:

    mtd: require write permissions for locking and badblock ioctls (CVE-2021-47055)

    In the Linux kernel, the following vulnerability has been resolved:

    regmap: set debugfs_name to NULL after it is freed (CVE-2021-47058)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: Stop looking for coalesced MMIO zones if the bus is destroyed (CVE-2021-47060)

    In the Linux kernel, the following vulnerability has been resolved:

    uio_hv_generic: Fix a memory leak in error handling paths (CVE-2021-47071)

    In the Linux kernel, the following vulnerability has been resolved:

    RDMA/rxe: Clear all QP fields if creation failed (CVE-2021-47078)

    In the Linux kernel, the following vulnerability has been resolved:

    neighbour: allow NUD_NOARP entries to be forced GCed (CVE-2021-47109)

    In the Linux kernel, the following vulnerability has been resolved:

    x86/kvm: Disable kvmclock on all CPUs on shutdown (CVE-2021-47110)

    In the Linux kernel, the following vulnerability has been resolved:

    x86/kvm: Teardown PV features on boot CPU as well (CVE-2021-47112)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: fix bug on in ext4_es_cache_extent as ext4_split_extent_at failed (CVE-2021-47117)

    In the Linux kernel, the following vulnerability has been resolved:

    pid: take a reference when initializing `cad_pid` (CVE-2021-47118)

    In the Linux kernel, the following vulnerability has been resolved:

    HID: magicmouse: fix NULL-deref on disconnect (CVE-2021-47120)

    In the Linux kernel, the following vulnerability has been resolved:

    ipv6: Fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions (CVE-2021-47126)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: nft_ct: skip expectations for confirmed conntrack (CVE-2021-47129)

    In the Linux kernel, the following vulnerability has been resolved:

    cxgb4: avoid accessing registers when clearing filters (CVE-2021-47138)

    In the Linux kernel, the following vulnerability has been resolved:

    drm/amdgpu: Fix a use-after-free (CVE-2021-47142)

    In the Linux kernel, the following vulnerability has been resolved:

    drm/amd/amdgpu: fix refcount leak (CVE-2021-47144)

    In the Linux kernel, the following vulnerability has been resolved:

    btrfs: do not BUG_ON in link_to_fixup_dir (CVE-2021-47145)

    In the Linux kernel, the following vulnerability has been resolved:

    mld: fix panic in mld_newpack() (CVE-2021-47146)

    In the Linux kernel, the following vulnerability has been resolved:

    net: dsa: fix a crash if ->get_sset_count() fails (CVE-2021-47159)

    In the Linux kernel, the following vulnerability has been resolved:

    tipc: skb_linearize the head skb when reassembling msgs (CVE-2021-47162)

    In the Linux kernel, the following vulnerability has been resolved:

    tipc: wait and exit until all work queues are done (CVE-2021-47163)

    In the Linux kernel, the following vulnerability has been resolved:

    NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce() (CVE-2021-47166)

    In the Linux kernel, the following vulnerability has been resolved:

    NFS: Fix an Oopsable condition in __nfs_pageio_add_request() (CVE-2021-47167)

    In the Linux kernel, the following vulnerability has been resolved:

    NFS: fix an incorrect limit in filelayout_decode_layout() (CVE-2021-47168)

    In the Linux kernel, the following vulnerability has been resolved:

    USB: usbfs: Don't WARN about excessively large memory allocations (CVE-2021-47170)

    In the Linux kernel, the following vulnerability has been resolved:

    net: usb: fix memory leak in smsc75xx_bind (CVE-2021-47171)

    In the Linux kernel, the following vulnerability has been resolved:

    iommu/vt-d: Fix sysfs leak in alloc_iommu() (CVE-2021-47177)

    In the Linux kernel, the following vulnerability has been resolved:

    net: bridge: fix vlan tunnel dst refcnt when egressing (CVE-2021-47222)

    In the Linux kernel, the following vulnerability has been resolved:

    net: bridge: fix vlan tunnel dst null pointer dereference (CVE-2021-47223)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: x86: Immediately reset the MMU context when the SMM flag is cleared (CVE-2021-47230)

    In the Linux kernel, the following vulnerability has been resolved:

    net: cdc_eem: fix tx fixup skb leak (CVE-2021-47236)

    In the Linux kernel, the following vulnerability has been resolved:

    net: ipv4: fix memory leak in ip_mc_add1_src (CVE-2021-47238)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: synproxy: Fix out of bounds when parsing TCP options (CVE-2021-47245)

    In the Linux kernel, the following vulnerability has been resolved:

    net/mlx5e: Fix page reclaim for dead peer hairpin (CVE-2021-47246)

    In the Linux kernel, the following vulnerability has been resolved:

    udp: fix race between close() and udp_abort() (CVE-2021-47248)

    In the Linux kernel, the following vulnerability has been resolved:

    net: rds: fix memory leak in rds_recvmsg (CVE-2021-47249)

    In the Linux kernel, the following vulnerability has been resolved:

    net: ipv4: fix memory leak in netlbl_cipsov4_add_std (CVE-2021-47250)

    In the Linux kernel, the following vulnerability has been resolved:

    gfs2: Fix use-after-free in gfs2_glock_shrink_scan (CVE-2021-47254)

    In the Linux kernel, the following vulnerability has been resolved:

    kvm: LAPIC: Restore guard to prevent illegal APIC register access (CVE-2021-47255)

    In the Linux kernel, the following vulnerability has been resolved:

    mm/memory-failure: make sure wait for page writeback in memory_failure (CVE-2021-47256)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: core: Fix error handling of scsi_host_alloc() (CVE-2021-47258)

    In the Linux kernel, the following vulnerability has been resolved:

    NFS: Fix use-after-free in nfs4_init_client() (CVE-2021-47259)

    In the Linux kernel, the following vulnerability has been resolved:

    NFS: Fix a potential NULL dereference in nfs_get_client() (CVE-2021-47260)

    In the Linux kernel, the following vulnerability has been resolved:

    IB/mlx5: Fix initializing CQ fragments buffer (CVE-2021-47261)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: x86: Ensure liveliness of nested VM-Enter fail tracepoint message (CVE-2021-47262)

    In the Linux kernel, the following vulnerability has been resolved:

    RDMA/ipoib: Fix warning caused by destroying non-initial netns (CVE-2021-47266)

    In the Linux kernel, the following vulnerability has been resolved:

    tracing: Correct the length check which causes memory corruption (CVE-2021-47274)

    In the Linux kernel, the following vulnerability has been resolved:

    ftrace: Do not blindly read the ip address in ftrace_bug() (CVE-2021-47276)

    In the Linux kernel, the following vulnerability has been resolved:

    kvm: avoid speculation-based attacks from out-of-range memslot accesses (CVE-2021-47277)

    In the Linux kernel, the following vulnerability has been resolved:

    drm: Fix use-after-free read in drm_getunique() (CVE-2021-47280)

Tenable has extracted the preceding description block directly from the tested product 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
268499	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987072)	Nessus	Unity Linux Local Security Checks	medium
230107	Linux Distros Unpatched Vulnerability : CVE-2021-47230	Nessus	Misc.	medium
207120	EulerOS 2.0 SP9 : kernel (EulerOS-SA-2024-2394)	Nessus	Huawei Local Security Checks	high
200930	SUSE SLES15 Security Update : kernel (SUSE-SU-2024:2185-1)	Nessus	SuSE Local Security Checks	critical
160459	Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-002)	Nessus	Amazon Linux Local Security Checks	high
160440	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-004 (ALASKERNEL-5.4-2022-004)	Nessus	Amazon Linux Local Security Checks	high

Detections

Analytics

CVE-2021-47230

medium

Tenable Plugins

medium

medium

high

critical

high

high