In the Linux kernel, the following vulnerability has been resolved: x86/mce: Work around an erratum on fast string copy instructions A rare kernel panic scenario can happen when the following conditions are met due to an erratum on fast string copy instructions: 1) An uncorrected error. 2) That error must be in first cache line of a page. 3) Kernel must execute page_copy from the page immediately before that page. The fast string copy instructions ("REP; MOVS*") could consume an uncorrectable memory error in the cache line _right after_ the desired region to copy and raise an MCE. Bit 0 of MSR_IA32_MISC_ENABLE can be cleared to disable fast string copy and will avoid such spurious machine checks. However, that is less preferable due to the permanent performance impact. Considering memory poison is rare, it's desirable to keep fast string copy enabled until an MCE is seen. Intel has confirmed the following: 1. The CPU erratum of fast string copy only applies to Skylake, Cascade Lake and Cooper Lake generations. Directly return from the MCE handler: 2. Will result in complete execution of the "REP; MOVS*" with no data loss or corruption. 3. Will not result in another MCE firing on the next poisoned cache line due to "REP; MOVS*". 4. Will resume execution from a correct point in code. 5. Will result in the same instruction that triggered the MCE firing a second MCE immediately for any other software recoverable data fetch errors. 6. Is not safe without disabling the fast string copy, as the next fast string copy of the same buffer on the same CPU would result in a PANIC MCE. This should mitigate the erratum completely with the only caveat that the fast string copy is disabled on the affected hyper thread thus performance degradation. This is still better than the OS crashing on MCEs raised on an irrelevant process due to "REP; MOVS*' accesses in a kernel context, e.g., copy_page. Injected errors on 1st cache line of 8 anonymous pages of process 'proc1' and observed MCE consumption from 'proc2' with no panic (directly returned). Without the fix, the host panicked within a few minutes on a random 'proc2' process due to kernel access from copy_page. [ bp: Fix comment style + touch ups, zap an unlikely(), improve the quirk function's readability. ]

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

    x86/mce: Work around an erratum on fast string copy instructions(CVE-2022-49124)

    net: preserve skb_end_offset() in skb_unclone_keeptruesize()(CVE-2022-49142)

    scsi: qla2xxx: Fix premature hw access after PCI error(CVE-2022-49157)

    scsi: qla2xxx: Fix warning message due to adisc being flushed(CVE-2022-49158)

    scsi: qla2xxx: Implement ref count for SRB(CVE-2022-49159)

    USB: core: Prevent nested device-reset calls(CVE-2022-49936)

    mmc: vub300: fix return value check of mmc_add_host()(CVE-2022-50251)

    tracing: Fix reading strings from synthetic events(CVE-2022-50255)

    kprobes: Fix check for probe enabled in kill_kprobe()(CVE-2022-50266)

    mmc: rtsx_pci: fix return value check of mmc_add_host()(CVE-2022-50267)

    pnode: terminate at peers of source(CVE-2022-50280)

    ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline(CVE-2022-50286)

    ext4: fix potential out of bound read in ext4_fc_replay_scan()(CVE-2022-50306)

    drivers: serial: jsm: fix some leaks in probe(CVE-2022-50312)

    erofs: fix order = MAX_ORDER warning due to crafted negative i_size(CVE-2022-50313)

    ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS(CVE-2022-50315)

    perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()(CVE-2022-50318)

    net: do not sense pfmemalloc status in skb_append_pagefrags()(CVE-2022-50323)

    jbd2: fix potential use-after-free in jbd2_fc_wait_bufs(CVE-2022-50328)

    crypto: cavium - prevent integer overflow loading firmware(CVE-2022-50330)

    ext4: fix null-ptr-deref in ext4_write_info(CVE-2022-50344)

    ext4: init quota for 'old.inode' in 'ext4_rename'(CVE-2022-50346)

    scsi: target: iscsi: Fix a race condition between login_work and the login thread(CVE-2022-50350)

    Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering     Authority.(CVE-2022-50377)

    padata: Always leave BHs disabled when running -parallel()(CVE-2022-50382)

    nvme: fix multipath crash caused by flush request when blktrace is enabled(CVE-2022-50388)

    tpm: tpm_crb: Add the missed acpi_put_table() to fix memory leak(CVE-2022-50389)

    drm/ttm: fix undefined behavior in bit shift for TTM_TT_FLAG_PRIV_POPULATED(CVE-2022-50390)

    i2c: ismt: Fix an out-of-bounds bug in ismt_access()(CVE-2022-50394)

    ACPICA: Fix error code path in acpi_ds_call_control_method()(CVE-2022-50411)

    x86/fpu: Fix copy_xstate_to_uabi() to copy init states correctly(CVE-2022-50425)

    mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING(CVE-2022-50430)

    drm/vmwgfx: Validate the box size for the snooped cursor(CVE-2022-50440)

    cpufreq: Init completion before kobject_init_and_add()(CVE-2022-50473)

    ext4: add EXT4_IGET_BAD flag to prevent unexpected bad inode(CVE-2022-50485)

    scsi: qla2xxx: Fix crash when I/O abort times out(CVE-2022-50493)

    binfmt_misc: fix shift-out-of-bounds in check_special_flags(CVE-2022-50497)

    perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()(CVE-2022-50510)

    tracing/hist: Fix out-of-bound write on 'action_data.var_ref_idx'(CVE-2022-50553)

    ext4: avoid deadlock in fs reclaim with page writeback(CVE-2023-53149)

    tracing: Fix null pointer dereference in tracing_err_log_open()(CVE-2023-53167)

    vfio/type1: prevent underflow of locked_vm via exec()(CVE-2023-53171)

    serial: 8250: Reinit port-pm on port specific driver unbind(CVE-2023-53176)

    mm: fix zswap writeback race condition(CVE-2023-53178)

    sched/fair: Don't balance task to its current running CPU(CVE-2023-53215)

    arm64: efi: Make efi_rt_lock a raw_spinlock(CVE-2023-53216)

    media: az6007: Fix null-ptr-deref in az6007_i2c_xfer()(CVE-2023-53220)

    bpf: Fix memleak due to fentry attach failure(CVE-2023-53221)

    thermal/drivers/hisi: Drop second sensor hi3660(CVE-2023-53242)

    firmware: dmi-sysfs: Fix null-ptr-deref in dmi_sysfs_register_handle(CVE-2023-53250)

    VMCI: check context-notify_page after call to get_user_pages_fast() to avoid GPF(CVE-2023-53259)

    ext4: fix i_disksize exceeding i_size problem in paritally written case(CVE-2023-53270)

    scsi: qla2xxx: Remove unused nvme_ls_waitq wait queue(CVE-2023-53280)

    ext4: add bounds checking in get_max_inline_xattr_value_size()(CVE-2023-53285)

    drm/client: Fix memory leak in drm_client_modeset_probe(CVE-2023-53288)

    ext4: fix WARNING in mb_find_extent(CVE-2023-53317)

    recordmcount: Fix memory leaks in the uwrite function(CVE-2023-53318)

    genirq/ipi: Fix NULL pointer deref in irq_data_get_affinity_mask()(CVE-2023-53332)

    tracing: Fix race issue between cpu buffer write and swap(CVE-2023-53368)

    crypto: seqiv - Handle EBUSY correctly(CVE-2023-53373)

    tracing: Free error logs of tracing instances(CVE-2023-53375)

    ACPICA: Add AML_NO_OPERAND_RESOLVE flag to Timer(CVE-2023-53395)

    mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required()(CVE-2023-53401)

    blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()(CVE-2023-53421)

    media: uvcvideo: Handle cameras with invalid descriptors(CVE-2023-53437)

    bpf: cpumap: Fix memory leak in cpu_map_update_elem(CVE-2023-53441)

    ext4: remove a BUG_ON in ext4_mb_release_group_pa()(CVE-2023-53450)

    scsi: qla4xxx: Add length check when parsing nlattrs(CVE-2023-53456)

    kobject: Add sanity check for kset-kobj.ktype in kset_register()(CVE-2023-53480)

    ext4: allow ext4_get_group_info() to fail(CVE-2023-53503)

    udf: Do not bother merging very long extents(CVE-2023-53506)

    virtio-mmio: don't break lifecycle of vm_dev(CVE-2023-53515)

    scsi: ses: Fix slab-out-of-bounds in ses_intf_remove()(CVE-2023-53521)

    scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id()(CVE-2023-53530)

    tracing/histograms: Add histograms to hist_vars if they have referenced variables(CVE-2023-53560)

    null_blk: Always check queue mode setting from configfs(CVE-2023-53576)

    bpf, cpumap: Make sure kthread is running before map update returns(CVE-2023-53577)

    ring-buffer: Sync IRQ works before buffer destruction(CVE-2023-53587)

    ipmi_si: fix a memleak in try_smi_init()(CVE-2023-53611)

    ext4: fix possible double unlock when moving a directory(CVE-2023-53626)

    bnxt: avoid overflow in bnxt_get_nvram_directory()(CVE-2023-53661)

    ring-buffer: Fix deadloop issue on reading trace_pipe(CVE-2023-53668)

    A transient execution vulnerability in some AMD processors may allow an attacker to infer data in the L1D     cache, potentially resulting in the leakage of sensitive information across privileged     boundaries.(CVE-2024-36357)

    drm/dp_mst: Fix MST sideband message body length check(CVE-2024-56616)

    tls: stop recv() if initial process_rx_list gave us non-DATA(CVE-2024-58239)

    crypto: algif_hash - fix double free in hash_accept(CVE-2025-38079)

    thunderbolt: Do not double dequeue a configuration request(CVE-2025-38174)

    mm: fix uprobe pte be overwritten when expanding vma(CVE-2025-38207)

    scsi: lpfc: Use memcpy() for BIOS version(CVE-2025-38332)

    x86/sgx: Prevent attempts to reclaim poisoned pages(CVE-2025-38334)

    HID: core: do not bypass hid_hw_raw_request(CVE-2025-38494)

    clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns(CVE-2025-38499)

    bpf: Fix oob access in cgroup local storage(CVE-2025-38502)

    drm/sched: Increment job count before swapping tail spsc queue(CVE-2025-38515)

    pinctrl: qcom: msm: mark certain pins as invalid for interrupts(CVE-2025-38516)

    HID: quirks: Add quirk for 2 Chicony Electronics HP 5MP Cameras(CVE-2025-38540)

    net/sched: Restrict conditions for adding duplicating netems to qdisc tree(CVE-2025-38553)

    crypto: ccp - Fix crash when rebind ccp device for ccp.ko(CVE-2025-38581)

    padata: Fix pd UAF once and for all(CVE-2025-38584)

    net: drop UFO packets in udp_rcv_segment()(CVE-2025-38622)

    regulator: core: fix NULL dereference on unbind due to stale coupling data(CVE-2025-38668)

    media: uvcvideo: Fix 1-byte out-of-bounds read in uvc_parse_format()(CVE-2025-38680)

    fbdev: Fix vmalloc out-of-bounds write in fast_imageblit(CVE-2025-38685)

    media: dvb-frontends: w7090p: fix null-ptr-deref in w7090p_tuner_write_serpar and     w7090p_tuner_read_serpar(CVE-2025-38693)

    scsi: lpfc: Check for hdwq null ptr when cleaning up lpfc_vport structure(CVE-2025-38695)

    ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr(CVE-2025-38701)

    x86/cpu/hygon: Add missing resctrl_cpu_detect() in bsp_init helper(CVE-2025-39681)

    tracing: Limit access to parser-buffer when trace_get_user failed(CVE-2025-39683)

    ftrace: Also allocate and copy hash for reading of filter files(CVE-2025-39689)

    fs/buffer: fix use-after-free when call bh_read() helper(CVE-2025-39691)

    serial: 8250: fix panic due to PSLVERR(CVE-2025-39724)

    rcu: Fix rcu_read_unlock() deadloop due to IRQ work(CVE-2025-39744)

    rcu: Protect -defer_qs_iw_pending from data race(CVE-2025-39749)

    usb: core: config: Prevent OOB read in SS endpoint companion parsing(CVE-2025-39760)

    jbd2: prevent softlockup in jbd2_log_do_checkpoint()(CVE-2025-39782)

    ftrace: Fix potential warning in trace_printk_seq during ftrace_dump(CVE-2025-39813)

    trace/fgraph: Fix the warning caused by missing unregister notifier(CVE-2025-39829)

    vxlan: Fix NPD in {arp,neigh}_reduce() when using nexthop objects(CVE-2025-39850)

    vxlan: Fix NPD when refreshing an FDB entry with a nexthop object(CVE-2025-39851)

    tee: fix NULL pointer dereference in tee_shm_put(CVE-2025-39865)

    fs: writeback: fix use-after-free in __mark_inode_dirty()(CVE-2025-39866)

    cgroup: split cgroup_destroy_wq into 3 workqueues(CVE-2025-39953)

    fbcon: fix integer overflow in fbcon_do_set_font(CVE-2025-39967)

    i40e: add max boundary check for VF filters(CVE-2025-39968)

    i40e: fix idx validation in config queues msg(CVE-2025-39971)

    i40e: add validation for ring_len param(CVE-2025-39973)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization 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 :

    x86/mce: Work around an erratum on fast string copy instructions(CVE-2022-49124)

    net: preserve skb_end_offset() in skb_unclone_keeptruesize()(CVE-2022-49142)

    scsi: qla2xxx: Fix premature hw access after PCI error(CVE-2022-49157)

    scsi: qla2xxx: Fix warning message due to adisc being flushed(CVE-2022-49158)

    scsi: qla2xxx: Implement ref count for SRB(CVE-2022-49159)

    USB: core: Prevent nested device-reset calls(CVE-2022-49936)

    mmc: vub300: fix return value check of mmc_add_host()(CVE-2022-50251)

    tracing: Fix reading strings from synthetic events(CVE-2022-50255)

    kprobes: Fix check for probe enabled in kill_kprobe()(CVE-2022-50266)

    mmc: rtsx_pci: fix return value check of mmc_add_host()(CVE-2022-50267)

    pnode: terminate at peers of source(CVE-2022-50280)

    ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline(CVE-2022-50286)

    ext4: fix potential out of bound read in ext4_fc_replay_scan()(CVE-2022-50306)

    drivers: serial: jsm: fix some leaks in probe(CVE-2022-50312)

    erofs: fix order = MAX_ORDER warning due to crafted negative i_size(CVE-2022-50313)

    ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS(CVE-2022-50315)

    perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()(CVE-2022-50318)

    net: do not sense pfmemalloc status in skb_append_pagefrags()(CVE-2022-50323)

    jbd2: fix potential use-after-free in jbd2_fc_wait_bufs(CVE-2022-50328)

    crypto: cavium - prevent integer overflow loading firmware(CVE-2022-50330)

    ext4: fix null-ptr-deref in ext4_write_info(CVE-2022-50344)

    ext4: init quota for 'old.inode' in 'ext4_rename'(CVE-2022-50346)

    scsi: target: iscsi: Fix a race condition between login_work and the login thread(CVE-2022-50350)

    Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering     Authority.(CVE-2022-50377)

    padata: Always leave BHs disabled when running -parallel()(CVE-2022-50382)

    nvme: fix multipath crash caused by flush request when blktrace is enabled(CVE-2022-50388)

    tpm: tpm_crb: Add the missed acpi_put_table() to fix memory leak(CVE-2022-50389)

    drm/ttm: fix undefined behavior in bit shift for TTM_TT_FLAG_PRIV_POPULATED(CVE-2022-50390)

    i2c: ismt: Fix an out-of-bounds bug in ismt_access()(CVE-2022-50394)

    ACPICA: Fix error code path in acpi_ds_call_control_method()(CVE-2022-50411)

    x86/fpu: Fix copy_xstate_to_uabi() to copy init states correctly(CVE-2022-50425)

    mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING(CVE-2022-50430)

    drm/vmwgfx: Validate the box size for the snooped cursor(CVE-2022-50440)

    cpufreq: Init completion before kobject_init_and_add()(CVE-2022-50473)

    ext4: add EXT4_IGET_BAD flag to prevent unexpected bad inode(CVE-2022-50485)

    scsi: qla2xxx: Fix crash when I/O abort times out(CVE-2022-50493)

    binfmt_misc: fix shift-out-of-bounds in check_special_flags(CVE-2022-50497)

    perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()(CVE-2022-50510)

    tracing/hist: Fix out-of-bound write on 'action_data.var_ref_idx'(CVE-2022-50553)

    ext4: avoid deadlock in fs reclaim with page writeback(CVE-2023-53149)

    tracing: Fix null pointer dereference in tracing_err_log_open()(CVE-2023-53167)

    vfio/type1: prevent underflow of locked_vm via exec()(CVE-2023-53171)

    serial: 8250: Reinit port-pm on port specific driver unbind(CVE-2023-53176)

    mm: fix zswap writeback race condition(CVE-2023-53178)

    sched/fair: Don't balance task to its current running CPU(CVE-2023-53215)

    arm64: efi: Make efi_rt_lock a raw_spinlock(CVE-2023-53216)

    media: az6007: Fix null-ptr-deref in az6007_i2c_xfer()(CVE-2023-53220)

    bpf: Fix memleak due to fentry attach failure(CVE-2023-53221)

    thermal/drivers/hisi: Drop second sensor hi3660(CVE-2023-53242)

    firmware: dmi-sysfs: Fix null-ptr-deref in dmi_sysfs_register_handle(CVE-2023-53250)

    VMCI: check context-notify_page after call to get_user_pages_fast() to avoid GPF(CVE-2023-53259)

    ext4: fix i_disksize exceeding i_size problem in paritally written case(CVE-2023-53270)

    scsi: qla2xxx: Remove unused nvme_ls_waitq wait queue(CVE-2023-53280)

    ext4: add bounds checking in get_max_inline_xattr_value_size()(CVE-2023-53285)

    drm/client: Fix memory leak in drm_client_modeset_probe(CVE-2023-53288)

    ext4: fix WARNING in mb_find_extent(CVE-2023-53317)

    recordmcount: Fix memory leaks in the uwrite function(CVE-2023-53318)

    genirq/ipi: Fix NULL pointer deref in irq_data_get_affinity_mask()(CVE-2023-53332)

    tracing: Fix race issue between cpu buffer write and swap(CVE-2023-53368)

    crypto: seqiv - Handle EBUSY correctly(CVE-2023-53373)

    tracing: Free error logs of tracing instances(CVE-2023-53375)

    ACPICA: Add AML_NO_OPERAND_RESOLVE flag to Timer(CVE-2023-53395)

    mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required()(CVE-2023-53401)

    blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()(CVE-2023-53421)

    media: uvcvideo: Handle cameras with invalid descriptors(CVE-2023-53437)

    bpf: cpumap: Fix memory leak in cpu_map_update_elem(CVE-2023-53441)

    ext4: remove a BUG_ON in ext4_mb_release_group_pa()(CVE-2023-53450)

    scsi: qla4xxx: Add length check when parsing nlattrs(CVE-2023-53456)

    kobject: Add sanity check for kset-kobj.ktype in kset_register()(CVE-2023-53480)

    ext4: allow ext4_get_group_info() to fail(CVE-2023-53503)

    udf: Do not bother merging very long extents(CVE-2023-53506)

    virtio-mmio: don't break lifecycle of vm_dev(CVE-2023-53515)

    scsi: ses: Fix slab-out-of-bounds in ses_intf_remove()(CVE-2023-53521)

    scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id()(CVE-2023-53530)

    tracing/histograms: Add histograms to hist_vars if they have referenced variables(CVE-2023-53560)

    null_blk: Always check queue mode setting from configfs(CVE-2023-53576)

    bpf, cpumap: Make sure kthread is running before map update returns(CVE-2023-53577)

    ring-buffer: Sync IRQ works before buffer destruction(CVE-2023-53587)

    ipmi_si: fix a memleak in try_smi_init()(CVE-2023-53611)

    ext4: fix possible double unlock when moving a directory(CVE-2023-53626)

    bnxt: avoid overflow in bnxt_get_nvram_directory()(CVE-2023-53661)

    ring-buffer: Fix deadloop issue on reading trace_pipe(CVE-2023-53668)

    A transient execution vulnerability in some AMD processors may allow an attacker to infer data in the L1D     cache, potentially resulting in the leakage of sensitive information across privileged     boundaries.(CVE-2024-36357)

    drm/dp_mst: Fix MST sideband message body length check(CVE-2024-56616)

    tls: stop recv() if initial process_rx_list gave us non-DATA(CVE-2024-58239)

    crypto: algif_hash - fix double free in hash_accept(CVE-2025-38079)

    thunderbolt: Do not double dequeue a configuration request(CVE-2025-38174)

    mm: fix uprobe pte be overwritten when expanding vma(CVE-2025-38207)

    scsi: lpfc: Use memcpy() for BIOS version(CVE-2025-38332)

    x86/sgx: Prevent attempts to reclaim poisoned pages(CVE-2025-38334)

    HID: core: do not bypass hid_hw_raw_request(CVE-2025-38494)

    clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns(CVE-2025-38499)

    bpf: Fix oob access in cgroup local storage(CVE-2025-38502)

    drm/sched: Increment job count before swapping tail spsc queue(CVE-2025-38515)

    pinctrl: qcom: msm: mark certain pins as invalid for interrupts(CVE-2025-38516)

    HID: quirks: Add quirk for 2 Chicony Electronics HP 5MP Cameras(CVE-2025-38540)

    net/sched: Restrict conditions for adding duplicating netems to qdisc tree(CVE-2025-38553)

    crypto: ccp - Fix crash when rebind ccp device for ccp.ko(CVE-2025-38581)

    padata: Fix pd UAF once and for all(CVE-2025-38584)

    net: drop UFO packets in udp_rcv_segment()(CVE-2025-38622)

    regulator: core: fix NULL dereference on unbind due to stale coupling data(CVE-2025-38668)

    media: uvcvideo: Fix 1-byte out-of-bounds read in uvc_parse_format()(CVE-2025-38680)

    fbdev: Fix vmalloc out-of-bounds write in fast_imageblit(CVE-2025-38685)

    media: dvb-frontends: w7090p: fix null-ptr-deref in w7090p_tuner_write_serpar and     w7090p_tuner_read_serpar(CVE-2025-38693)

    scsi: lpfc: Check for hdwq null ptr when cleaning up lpfc_vport structure(CVE-2025-38695)

    ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr(CVE-2025-38701)

    x86/cpu/hygon: Add missing resctrl_cpu_detect() in bsp_init helper(CVE-2025-39681)

    tracing: Limit access to parser-buffer when trace_get_user failed(CVE-2025-39683)

    ftrace: Also allocate and copy hash for reading of filter files(CVE-2025-39689)

    fs/buffer: fix use-after-free when call bh_read() helper(CVE-2025-39691)

    serial: 8250: fix panic due to PSLVERR(CVE-2025-39724)

    rcu: Fix rcu_read_unlock() deadloop due to IRQ work(CVE-2025-39744)

    rcu: Protect -defer_qs_iw_pending from data race(CVE-2025-39749)

    usb: core: config: Prevent OOB read in SS endpoint companion parsing(CVE-2025-39760)

    jbd2: prevent softlockup in jbd2_log_do_checkpoint()(CVE-2025-39782)

    ftrace: Fix potential warning in trace_printk_seq during ftrace_dump(CVE-2025-39813)

    trace/fgraph: Fix the warning caused by missing unregister notifier(CVE-2025-39829)

    vxlan: Fix NPD in {arp,neigh}_reduce() when using nexthop objects(CVE-2025-39850)

    vxlan: Fix NPD when refreshing an FDB entry with a nexthop object(CVE-2025-39851)

    tee: fix NULL pointer dereference in tee_shm_put(CVE-2025-39865)

    fs: writeback: fix use-after-free in __mark_inode_dirty()(CVE-2025-39866)

    cgroup: split cgroup_destroy_wq into 3 workqueues(CVE-2025-39953)

    fbcon: fix integer overflow in fbcon_do_set_font(CVE-2025-39967)

    i40e: add max boundary check for VF filters(CVE-2025-39968)

    i40e: fix idx validation in config queues msg(CVE-2025-39971)

    i40e: add validation for ring_len param(CVE-2025-39973)

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 SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:0834-1 advisory.

    The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security bugfixes.

    The following security bugs were fixed:

    - CVE-2021-22543: Fixed improper handling of VM_IO|VM_PFNMAP vmas in KVM (bsc#1186482).
    - CVE-2021-47634: ubi: Fix race condition between ctrl_cdev_ioctl and ubi_cdev_ioctl (bsc#1237758).
    - CVE-2021-47644: media: staging: media: zoran: move videodev alloc (bsc#1237766).
    - CVE-2022-48953: rtc: cmos: fix build on non-ACPI platforms (bsc#1231941).
    - CVE-2022-48975: gpiolib: fix memory leak in gpiochip_setup_dev() (bsc#1231885).
    - CVE-2022-49006: tracing: Free buffers when a used dynamic event is removed (bsc#1232163).
    - CVE-2022-49076: RDMA/hfi1: Fix use-after-free bug for mm struct (bsc#1237738).
    - CVE-2022-49080: mm/mempolicy: fix mpol_new leak in shared_policy_replace (bsc#1238033).
    - CVE-2022-49089: IB/rdmavt: add lock to call to rvt_error_qp to prevent a race condition (bsc#1238041).
    - CVE-2022-49124: x86/mce: Work around an erratum on fast string copy instructions (bsc#1238148).
    - CVE-2022-49134: mlxsw: spectrum: Guard against invalid local ports (bsc#1237982).
    - CVE-2022-49135: drm/amd/display: Fix memory leak (bsc#1238006).
    - CVE-2022-49151: can: mcba_usb: properly check endpoint type (bsc#1237778).
    - CVE-2022-49178: memstick/mspro_block: fix handling of read-only devices (bsc#1238107).
    - CVE-2022-49182: net: hns3: add vlan list lock to protect vlan list (bsc#1238260).
    - CVE-2022-49201: ibmvnic: fix race between xmit and reset (bsc#1238256).
    - CVE-2022-49247: media: stk1160: If start stream fails, return buffers with VB2_BUF_STATE_QUEUED     (bsc#1237783).
    - CVE-2022-49490: drm/msm/mdp5: Return error code in mdp5_pipe_release when deadlock is (bsc#1238275).
    - CVE-2022-49626: sfc: fix use after free when disabling sriov (bsc#1238270).
    - CVE-2022-49661: can: gs_usb: gs_usb_open/close(): fix memory leak (bsc#1237788).
    - CVE-2023-52572: Fixed UAF in cifs_demultiplex_thread() in cifs (bsc#1220946).
    - CVE-2023-52853: hid: cp2112: Fix duplicate workqueue initialization (bsc#1224988).
    - CVE-2023-52924: netfilter: nf_tables: do not skip expired elements during walk (bsc#1236821).
    - CVE-2023-6606: Fixed an out of bounds read in the SMB client when receiving a malformed length from a     server (bsc#1217947).
    - CVE-2024-23307: Fixed Integer Overflow or Wraparound vulnerability in x86 and ARM md, raid, raid5     modules (bsc#1219169).
    - CVE-2024-27397: netfilter: nf_tables: use timestamp to check for set element timeout (bsc#1224095).
    - CVE-2024-49963: mailbox: bcm2835: Fix timeout during suspend mode (bsc#1232147).
    - CVE-2024-49975: uprobes: fix kernel info leak via '[uprobes]' vma (bsc#1232104).
    - CVE-2024-50036: net: do not delay dst_entries_add() in dst_release() (bsc#1231912).
    - CVE-2024-50067: uprobe: avoid out-of-bounds memory access of fetching args (bsc#1232416).
    - CVE-2024-50251: netfilter: nft_payload: sanitize offset and length before calling skb_checksum()     (bsc#1233248).
    - CVE-2024-50304: ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_find() (bsc#1233522).
    - CVE-2024-53217: nfsd: restore callback functionality for NFSv4.0 (bsc#1234999).
    - CVE-2024-56633: bpf, sockmap: Fix repeated calls to sock_put() when msg has more_data (bsc#1235485).
    - CVE-2024-56647: net: Fix icmp host relookup triggering ip_rt_bug (bsc#1235435).
    - CVE-2024-56658: net: defer final 'struct net' free in netns dismantle (bsc#1235441).
    - CVE-2024-56688: sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport (bsc#1235538).
    - CVE-2025-21638: sctp: sysctl: auth_enable: avoid using current->nsproxy (bsc#1236115).
    - CVE-2025-21639: sctp: sysctl: rto_min/max: avoid using current->nsproxy (bsc#1236122).
    - CVE-2025-21640: sctp: sysctl: cookie_hmac_alg: avoid using current->nsproxy (bsc#1236123).
    - CVE-2025-21673: smb: client: fix double free of TCP_Server_Info::hostname (bsc#1236689).
    - CVE-2025-21689: USB: serial: quatech2: fix null-ptr-deref in qt2_process_read_urb() (bsc#1237017).
    - CVE-2025-21690: scsi: storvsc: Ratelimit warning logs to prevent VM denial of service (bsc#1237025).
    - CVE-2025-21700: net: sched: Disallow replacing of child qdisc from one parent to another (bsc#1237159).
    - CVE-2025-21753: btrfs: fix use-after-free when attempting to join an aborted transaction (bsc#1237875).


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.

  - x86/mce: Work around an erratum on fast string copy instructions A rare kernel panic scenario can happen     when the following conditions are met due to an erratum on fast string copy instructions: 1) An     uncorrected error. 2) That error must be in first cache line of a page. 3) Kernel must execute page_copy     from the page immediately before that page. The fast string copy instructions (REP; MOVS*) could consume     an uncorrectable memory error in the cache line _right after_ the desired region to copy and raise an MCE.
    Bit 0 of MSR_IA32_MISC_ENABLE can be cleared to disable fast string copy and will avoid such spurious     machine checks. However, that is less preferable due to the permanent performance impact. Considering     memory poison is rare, it's desirable to keep fast string copy enabled until an MCE is seen. Intel has     confirmed the following: 1. The CPU erratum of fast string copy only applies to Skylake, Cascade Lake and     Cooper Lake generations. Directly return from the MCE handler: 2. Will result in complete execution of the     REP; MOVS* with no data loss or corruption. 3. Will not result in another MCE firing on the next     poisoned cache line due to REP; MOVS*. 4. Will resume execution from a correct point in code. 5. Will     result in the same instruction that triggered the MCE firing a second MCE immediately for any other     software recoverable data fetch errors. 6. Is not safe without disabling the fast string copy, as the next     fast string copy of the same buffer on the same CPU would result in a PANIC MCE. This should mitigate the     erratum completely with the only caveat that the fast string copy is disabled on the affected hyper thread     thus performance degradation. This is still better than the OS crashing on MCEs raised on an irrelevant     process due to REP; MOVS*' accesses in a kernel context, e.g., copy_page. Injected errors on 1st cache     line of 8 anonymous pages of process 'proc1' and observed MCE consumption from 'proc2' with no panic     (directly returned). Without the fix, the host panicked within a few minutes on a random 'proc2' process     due to kernel access from copy_page. [ bp: Fix comment style + touch ups, zap an unlikely(), improve the     quirk function's readability. ] (CVE-2022-49124)

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

ID	Name	Product	Family	Severity
281579	EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2025-2609)	Nessus	Huawei Local Security Checks	high
281563	EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2025-2623)	Nessus	Huawei Local Security Checks	high
278484	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-2501)	Nessus	Huawei Local Security Checks	high
278473	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-2522)	Nessus	Huawei Local Security Checks	high
276284	TencentOS Server 4: kernel (TSSA-2025:0347)	Nessus	Tencent Local Security Checks	high
232643	SUSE SLES12 Security Update : kernel (SUSE-SU-2025:0834-1)	Nessus	SuSE Local Security Checks	high
225666	Linux Distros Unpatched Vulnerability : CVE-2022-49124	Nessus	Misc.	medium
210815	RHEL 9 : kernel (RHSA-2024:9315)	Nessus	Red Hat Local Security Checks	high

Detections

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CVE-2022-49124

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Tenable Plugins

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high