In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5e_rep_neigh_update() wasn't updated to accommodate rtnl lock removal from TC filter update path and properly handle concurrent encap entry insertion/deletion which can lead to following use-after-free: [23827.464923] ================================================================== [23827.469446] BUG: KASAN: use-after-free in mlx5e_encap_take+0x72/0x140 [mlx5_core] [23827.470971] Read of size 4 at addr ffff8881d132228c by task kworker/u20:6/21635 [23827.472251] [23827.472615] CPU: 9 PID: 21635 Comm: kworker/u20:6 Not tainted 5.13.0-rc3+ #5 [23827.473788] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 [23827.475639] Workqueue: mlx5e mlx5e_rep_neigh_update [mlx5_core] [23827.476731] Call Trace: [23827.477260] dump_stack+0xbb/0x107 [23827.477906] print_address_description.constprop.0+0x18/0x140 [23827.478896] ? mlx5e_encap_take+0x72/0x140 [mlx5_core] [23827.479879] ? mlx5e_encap_take+0x72/0x140 [mlx5_core] [23827.480905] kasan_report.cold+0x7c/0xd8 [23827.481701] ? mlx5e_encap_take+0x72/0x140 [mlx5_core] [23827.482744] kasan_check_range+0x145/0x1a0 [23827.493112] mlx5e_encap_take+0x72/0x140 [mlx5_core] [23827.494054] ? mlx5e_tc_tun_encap_info_equal_generic+0x140/0x140 [mlx5_core] [23827.495296] mlx5e_rep_neigh_update+0x41e/0x5e0 [mlx5_core] [23827.496338] ? mlx5e_rep_neigh_entry_release+0xb80/0xb80 [mlx5_core] [23827.497486] ? read_word_at_a_time+0xe/0x20 [23827.498250] ? strscpy+0xa0/0x2a0 [23827.498889] process_one_work+0x8ac/0x14e0 [23827.499638] ? lockdep_hardirqs_on_prepare+0x400/0x400 [23827.500537] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [23827.501359] ? rwlock_bug.part.0+0x90/0x90 [23827.502116] worker_thread+0x53b/0x1220 [23827.502831] ? process_one_work+0x14e0/0x14e0 [23827.503627] kthread+0x328/0x3f0 [23827.504254] ? _raw_spin_unlock_irq+0x24/0x40 [23827.505065] ? __kthread_bind_mask+0x90/0x90 [23827.505912] ret_from_fork+0x1f/0x30 [23827.506621] [23827.506987] Allocated by task 28248: [23827.507694] kasan_save_stack+0x1b/0x40 [23827.508476] __kasan_kmalloc+0x7c/0x90 [23827.509197] mlx5e_attach_encap+0xde1/0x1d40 [mlx5_core] [23827.510194] mlx5e_tc_add_fdb_flow+0x397/0xc40 [mlx5_core] [23827.511218] __mlx5e_add_fdb_flow+0x519/0xb30 [mlx5_core] [23827.512234] mlx5e_configure_flower+0x191c/0x4870 [mlx5_core] [23827.513298] tc_setup_cb_add+0x1d5/0x420 [23827.514023] fl_hw_replace_filter+0x382/0x6a0 [cls_flower] [23827.514975] fl_change+0x2ceb/0x4a51 [cls_flower] [23827.515821] tc_new_tfilter+0x89a/0x2070 [23827.516548] rtnetlink_rcv_msg+0x644/0x8c0 [23827.517300] netlink_rcv_skb+0x11d/0x340 [23827.518021] netlink_unicast+0x42b/0x700 [23827.518742] netlink_sendmsg+0x743/0xc20 [23827.519467] sock_sendmsg+0xb2/0xe0 [23827.520131] ____sys_sendmsg+0x590/0x770 [23827.520851] ___sys_sendmsg+0xd8/0x160 [23827.521552] __sys_sendmsg+0xb7/0x140 [23827.522238] do_syscall_64+0x3a/0x70 [23827.522907] entry_SYSCALL_64_after_hwframe+0x44/0xae [23827.523797] [23827.524163] Freed by task 25948: [23827.524780] kasan_save_stack+0x1b/0x40 [23827.525488] kasan_set_track+0x1c/0x30 [23827.526187] kasan_set_free_info+0x20/0x30 [23827.526968] __kasan_slab_free+0xed/0x130 [23827.527709] slab_free_freelist_hook+0xcf/0x1d0 [23827.528528] kmem_cache_free_bulk+0x33a/0x6e0 [23827.529317] kfree_rcu_work+0x55f/0xb70 [23827.530024] process_one_work+0x8ac/0x14e0 [23827.530770] worker_thread+0x53b/0x1220 [23827.531480] kthread+0x328/0x3f0 [23827.532114] ret_from_fork+0x1f/0x30 [23827.532785] [23827.533147] Last potentially related work creation: [23827.534007] kasan_save_stack+0x1b/0x40 [23827.534710] kasan_record_aux_stack+0xab/0xc0 [23827.535492] kvfree_call_rcu+0x31/0x7b0 [23827.536206] mlx5e_tc_del ---truncated---

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4178 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4178-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                        Ben Hutchings     May 25, 2025                                  https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : linux     Version        : 5.10.237-1     CVE ID         : CVE-2021-47247 CVE-2021-47489 CVE-2022-48893 CVE-2022-49046                      CVE-2022-49190 CVE-2022-49219 CVE-2022-49309 CVE-2022-49546                      CVE-2022-49728 CVE-2023-52572 CVE-2023-52621 CVE-2023-52752                      CVE-2023-52757 CVE-2023-53034 CVE-2024-26686 CVE-2024-26928                      CVE-2024-26982 CVE-2024-35867 CVE-2024-35943 CVE-2024-36908                      CVE-2024-38611 CVE-2024-39494 CVE-2024-41073 CVE-2024-42322                      CVE-2024-44938 CVE-2024-46753 CVE-2024-46812 CVE-2024-46816                      CVE-2024-46821 CVE-2024-47726 CVE-2024-47730 CVE-2024-49960                      CVE-2024-50047 CVE-2024-50154 CVE-2024-50280 CVE-2024-53144                      CVE-2024-54458 CVE-2024-56599 CVE-2024-56608 CVE-2024-56658                      CVE-2024-56664 CVE-2024-57834 CVE-2024-57973 CVE-2024-57977                      CVE-2024-57979 CVE-2024-57980 CVE-2024-57981 CVE-2024-57986                      CVE-2024-58001 CVE-2024-58002 CVE-2024-58005 CVE-2024-58007                      CVE-2024-58010 CVE-2024-58014 CVE-2024-58016 CVE-2024-58017                      CVE-2024-58020 CVE-2024-58051 CVE-2024-58052 CVE-2024-58055                      CVE-2024-58058 CVE-2024-58063 CVE-2024-58069 CVE-2024-58071                      CVE-2024-58072 CVE-2024-58083 CVE-2024-58085 CVE-2024-58090                      CVE-2025-21647 CVE-2025-21700 CVE-2025-21702 CVE-2025-21704                      CVE-2025-21708 CVE-2025-21711 CVE-2025-21715 CVE-2025-21718                      CVE-2025-21719 CVE-2025-21721 CVE-2025-21722 CVE-2025-21726                      CVE-2025-21727 CVE-2025-21728 CVE-2025-21731 CVE-2025-21735                      CVE-2025-21736 CVE-2025-21744 CVE-2025-21745 CVE-2025-21749                      CVE-2025-21753 CVE-2025-21756 CVE-2025-21760 CVE-2025-21761                      CVE-2025-21762 CVE-2025-21763 CVE-2025-21764 CVE-2025-21765                      CVE-2025-21767 CVE-2025-21772 CVE-2025-21776 CVE-2025-21779                      CVE-2025-21781 CVE-2025-21782 CVE-2025-21785 CVE-2025-21787                      CVE-2025-21791 CVE-2025-21795 CVE-2025-21796 CVE-2025-21799                      CVE-2025-21802 CVE-2025-21804 CVE-2025-21806 CVE-2025-21811                      CVE-2025-21814 CVE-2025-21823 CVE-2025-21826 CVE-2025-21835                      CVE-2025-21844 CVE-2025-21846 CVE-2025-21848 CVE-2025-21853                      CVE-2025-21858 CVE-2025-21859 CVE-2025-21862 CVE-2025-21871                      CVE-2025-21872 CVE-2025-21875 CVE-2025-21877 CVE-2025-21878                      CVE-2025-21898 CVE-2025-21904 CVE-2025-21905 CVE-2025-21909                      CVE-2025-21910 CVE-2025-21914 CVE-2025-21916 CVE-2025-21917                      CVE-2025-21920 CVE-2025-21922 CVE-2025-21925 CVE-2025-21926                      CVE-2025-21928 CVE-2025-21934 CVE-2025-21935 CVE-2025-21941                      CVE-2025-21943 CVE-2025-21948 CVE-2025-21956 CVE-2025-21957                      CVE-2025-21959 CVE-2025-21968 CVE-2025-21971 CVE-2025-21975                      CVE-2025-21981 CVE-2025-21991 CVE-2025-21992 CVE-2025-21993                      CVE-2025-21996 CVE-2025-21999 CVE-2025-22004 CVE-2025-22005                      CVE-2025-22007 CVE-2025-22008 CVE-2025-22010 CVE-2025-22014                      CVE-2025-22018 CVE-2025-22020 CVE-2025-22021 CVE-2025-22025                      CVE-2025-22027 CVE-2025-22035 CVE-2025-22044 CVE-2025-22045                      CVE-2025-22054 CVE-2025-22055 CVE-2025-22056 CVE-2025-22063                      CVE-2025-22075 CVE-2025-22079 CVE-2025-22086 CVE-2025-23136                      CVE-2025-23138 CVE-2025-23140 CVE-2025-23142 CVE-2025-23144                      CVE-2025-23145 CVE-2025-23146 CVE-2025-23147 CVE-2025-23148                      CVE-2025-23150 CVE-2025-23156 CVE-2025-23157 CVE-2025-23158                      CVE-2025-23159 CVE-2025-23163 CVE-2025-37738 CVE-2025-37739                      CVE-2025-37740 CVE-2025-37741 CVE-2025-37749 CVE-2025-37756                      CVE-2025-37757 CVE-2025-37765 CVE-2025-37766 CVE-2025-37768                      CVE-2025-37770 CVE-2025-37773 CVE-2025-37780 CVE-2025-37781                      CVE-2025-37782 CVE-2025-37785 CVE-2025-37788 CVE-2025-37789                      CVE-2025-37792 CVE-2025-37794 CVE-2025-37796 CVE-2025-37797                      CVE-2025-37803 CVE-2025-37808 CVE-2025-37810 CVE-2025-37812                      CVE-2025-37817 CVE-2025-37823 CVE-2025-37824 CVE-2025-37829                      CVE-2025-37836 CVE-2025-37838 CVE-2025-37839 CVE-2025-37840                      CVE-2025-37841 CVE-2025-37844 CVE-2025-37850 CVE-2025-37851                      CVE-2025-37857 CVE-2025-37858 CVE-2025-37859 CVE-2025-37862                      CVE-2025-37867 CVE-2025-37871 CVE-2025-37881 CVE-2025-37885                      CVE-2025-38637 CVE-2025-39728 CVE-2025-39735

    Several vulnerabilities have been discovered in the Linux kernel that     may lead to a privilege escalation, denial of service or information     leaks.

    For Debian 11 bullseye, these problems have been fixed in version     5.10.237-1.  This additionally includes many more bug fixes from     stable updates 5.10.235-5.10.237.

    We recommend that you upgrade your linux packages.

    For the detailed security status of linux please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/linux

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

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

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

An update of the linux package has been released.

The version of kernel installed on the remote host is prior to 5.4.292-208.414. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2025-100 advisory.

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

    net/mlx5e: Fix use-after-free of encap entry in neigh update handler (CVE-2021-47247)

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

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

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

    mm: call the security_mmap_file() LSM hook in remap_file_pages() (CVE-2024-47745)

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

    net: do not delay dst_entries_add() in dst_release() (CVE-2024-50036)

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

    PCI/ASPM: Fix link state exit during switch upstream function removal (CVE-2024-58093)

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

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

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

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

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

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

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

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

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

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

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

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

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

    HID: ignore non-functional sensor in HP 5MP Camera (CVE-2025-21992)

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

    drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse() (CVE-2025-21996)

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

    net: atm: fix use after free in lec_send() (CVE-2025-22004)

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

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

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

    netfilter: socket: Lookup orig tuple for IPv6 SNAT (CVE-2025-22021)

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

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

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

    x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs (CVE-2025-22045)

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

    netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets (CVE-2025-22063)

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

    RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow (CVE-2025-22086)

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

    thermal: int340x: Add NULL check for adev (CVE-2025-23136)

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

    net_sched: skbprio: Remove overly strict queue assertions (CVE-2025-38637)

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.

The version of kernel installed on the remote host is prior to 5.10.236-227.928. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2025-090 advisory.

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

    net/mlx5e: Fix use-after-free of encap entry in neigh update handler (CVE-2021-47247)

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

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

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

    blk-throttle: Set BIO_THROTTLED when bio has been throttled (CVE-2022-49465)

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

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

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

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

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

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

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

    btrfs: handle errors from btrfs_dec_ref() properly (CVE-2024-46753)

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

    mm: call the security_mmap_file() LSM hook in remap_file_pages() (CVE-2024-47745)

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

    bpf, sockmap: Fix race between element replace and close() (CVE-2024-56664)

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

    PCI/ASPM: Fix link state exit during switch upstream function removal (CVE-2024-58093)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    HID: ignore non-functional sensor in HP 5MP Camera (CVE-2025-21992)

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

    drm/radeon: fix uninitialized size issue in radeon_vce_cs_parse() (CVE-2025-21996)

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

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

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

    net: atm: fix use after free in lec_send() (CVE-2025-22004)

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

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

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

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

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

    netfilter: socket: Lookup orig tuple for IPv6 SNAT (CVE-2025-22021)

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

    nfsd: put dl_stid if fail to queue dl_recall (CVE-2025-22025)

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

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

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

    acpi: nfit: fix narrowing conversion in acpi_nfit_ctl (CVE-2025-22044)

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

    x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs (CVE-2025-22045)

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

    net: fix geneve_opt length integer overflow (CVE-2025-22055)

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

    netfilter: nft_tunnel: fix geneve_opt type confusion addition (CVE-2025-22056)

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

    netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets (CVE-2025-22063)

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

    rtnetlink: Allocate vfinfo size for VF GUIDs when supported (CVE-2025-22075)

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

    RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow (CVE-2025-22086)

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

    thermal: int340x: Add NULL check for adev (CVE-2025-23136)

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

    watch_queue: fix pipe accounting mismatch (CVE-2025-23138)

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

    ext4: fix OOB read when checking dotdot dir (CVE-2025-37785)

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

    net_sched: skbprio: Remove overly strict queue assertions (CVE-2025-38637)

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.

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

  - net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5e_rep_neigh_update()     wasn't updated to accommodate rtnl lock removal from TC filter update path and properly handle concurrent     encap entry insertion/deletion which can lead to following use-after-free: [23827.464923]     ================================================================== [23827.469446] BUG: KASAN: use-after-     free in mlx5e_encap_take+0x72/0x140 [mlx5_core] [23827.470971] Read of size 4 at addr ffff8881d132228c by     task kworker/u20:6/21635 [23827.472251] [23827.472615] CPU: 9 PID: 21635 Comm: kworker/u20:6 Not tainted     5.13.0-rc3+ #5 [23827.473788] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS     rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 [23827.475639] Workqueue: mlx5e     mlx5e_rep_neigh_update [mlx5_core] [23827.476731] Call Trace: [23827.477260] dump_stack+0xbb/0x107     [23827.477906] print_address_description.constprop.0+0x18/0x140 [23827.478896] ?     mlx5e_encap_take+0x72/0x140 [mlx5_core] [23827.479879] ? mlx5e_encap_take+0x72/0x140 [mlx5_core]     [23827.480905] kasan_report.cold+0x7c/0xd8 [23827.481701] ? mlx5e_encap_take+0x72/0x140 [mlx5_core]     [23827.482744] kasan_check_range+0x145/0x1a0 [23827.493112] mlx5e_encap_take+0x72/0x140 [mlx5_core]     [23827.494054] ? mlx5e_tc_tun_encap_info_equal_generic+0x140/0x140 [mlx5_core] [23827.495296]     mlx5e_rep_neigh_update+0x41e/0x5e0 [mlx5_core] [23827.496338] ? mlx5e_rep_neigh_entry_release+0xb80/0xb80     [mlx5_core] [23827.497486] ? read_word_at_a_time+0xe/0x20 [23827.498250] ? strscpy+0xa0/0x2a0     [23827.498889] process_one_work+0x8ac/0x14e0 [23827.499638] ? lockdep_hardirqs_on_prepare+0x400/0x400     [23827.500537] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [23827.501359] ? rwlock_bug.part.0+0x90/0x90     [23827.502116] worker_thread+0x53b/0x1220 [23827.502831] ? process_one_work+0x14e0/0x14e0 [23827.503627]     kthread+0x328/0x3f0 [23827.504254] ? _raw_spin_unlock_irq+0x24/0x40 [23827.505065] ?
    __kthread_bind_mask+0x90/0x90 [23827.505912] ret_from_fork+0x1f/0x30 [23827.506621] [23827.506987]     Allocated by task 28248: [23827.507694] kasan_save_stack+0x1b/0x40 [23827.508476]
    __kasan_kmalloc+0x7c/0x90 [23827.509197] mlx5e_attach_encap+0xde1/0x1d40 [mlx5_core] [23827.510194]     mlx5e_tc_add_fdb_flow+0x397/0xc40 [mlx5_core] [23827.511218] __mlx5e_add_fdb_flow+0x519/0xb30 [mlx5_core]     [23827.512234] mlx5e_configure_flower+0x191c/0x4870 [mlx5_core] [23827.513298] tc_setup_cb_add+0x1d5/0x420     [23827.514023] fl_hw_replace_filter+0x382/0x6a0 [cls_flower] [23827.514975] fl_change+0x2ceb/0x4a51     [cls_flower] [23827.515821] tc_new_tfilter+0x89a/0x2070 [23827.516548] rtnetlink_rcv_msg+0x644/0x8c0     [23827.517300] netlink_rcv_skb+0x11d/0x340 [23827.518021] netlink_unicast+0x42b/0x700 [23827.518742]     netlink_sendmsg+0x743/0xc20 [23827.519467] sock_sendmsg+0xb2/0xe0 [23827.520131]
    ____sys_sendmsg+0x590/0x770 [23827.520851] ___sys_sendmsg+0xd8/0x160 [23827.521552]
    __sys_sendmsg+0xb7/0x140 [23827.522238] do_syscall_64+0x3a/0x70 [23827.522907]     entry_SYSCALL_64_after_hwframe+0x44/0xae [23827.523797] [23827.524163] Freed by task 25948: [23827.524780]     kasan_save_stack+0x1b/0x40 [23827.525488] kasan_set_track+0x1c/0x30 [23827.526187]     kasan_set_free_info+0x20/0x30 [23827.526968] __kasan_slab_free+0xed/0x130 [23827.527709]     slab_free_freelist_hook+0xcf/0x1d0 [23827.528528] kmem_cache_free_bulk+0x33a/0x6e0 [23827.529317]     kfree_rcu_work+0x55f/0xb70 [23827.530024] process_one_work+0x8ac/0x14e0 [23827.530770]     worker_thread+0x53b/0x1220 [23827.531480] kthread+0x328/0x3f0 [23827.532114] ret_from_fork+0x1f/0x30     [23827.532785] [23827.533147] Last potentially related work creation: [23827.534007]     kasan_save_stack+0x1b/0x40 [23827.534710] kasan_record_aux_stack+0xab/0xc0 [23827.535492]     kvfree_call_rcu+0x31/0x7b0 [23827.536206] mlx5e_tc_del ---truncated--- (CVE-2021-47247)

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

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2365-1 advisory.

    The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security bugfixes.


    The following security bugs were fixed:

    - CVE-2021-47247: net/mlx5e: Fix use-after-free of encap entry in neigh update handler (bsc#1224865).
    - CVE-2021-47311: net: qcom/emac: fix UAF in emac_remove (bsc#1225010).
    - CVE-2021-47368: enetc: Fix illegal access when reading affinity_hint (bsc#1225161).
    - CVE-2021-47372: net: macb: fix use after free on rmmod (bsc#1225184).
    - CVE-2021-47379: blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd (bsc#1225203).
    - CVE-2021-47571: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() (bsc#1225518).
    - CVE-2022-2938: psi: Fix uaf issue when psi trigger is destroyed while being polled (bsc#1202623).
    - CVE-2022-48760: USB: core: Fix hang in usb_kill_urb by adding memory barriers (bsc#1226712).
    - CVE-2023-52707: sched/psi: Fix use-after-free in ep_remove_wait_queue() (bsc#1225109).
    - CVE-2023-52752: smb: client: fix use-after-free bug in cifs_debug_data_proc_show() (bsc#1225487).
    - CVE-2023-52881: tcp: do not accept ACK of bytes we never sent (bsc#1225611).
    - CVE-2024-26921: Preserve kabi for sk_buff (bsc#1223138).
    - CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in __unix_gc() (bsc#1223384).
    - CVE-2024-35789: Check fast rx for non-4addr sta VLAN changes (bsc#1224749).
    - CVE-2024-35861: Fixed potential UAF in cifs_signal_cifsd_for_reconnect() (bsc#1224766).
    - CVE-2024-35862: Fixed potential UAF in smb2_is_network_name_deleted()  (bsc#1224764).
    - CVE-2024-35864: Fixed potential UAF in smb2_is_valid_lease_break() (bsc#1224765).
    - CVE-2024-35950: drm/client: Fully protect modes with dev->mode_config.mutex (bsc#1224703).
    - CVE-2024-36894: usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete (bsc#1225749).
    - CVE-2024-36904: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique() (bsc#1225732).
    - CVE-2024-36940: pinctrl: core: delete incorrect free in pinctrl_enable() (bsc#1225840).
    - CVE-2024-36964: fs/9p: only translate RWX permissions for plain 9P2000 (bsc#1225866).
    - CVE-2024-38545: RDMA/hns: Fix UAF for cq async event (bsc#1226595)
    - CVE-2024-38559: scsi: qedf: Ensure the copied buf is NUL terminated (bsc#1226758).
    - CVE-2024-38560: scsi: bfa: Ensure the copied buf is NUL terminated (bsc#1226786).


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 remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2362-1 advisory.

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


    The following security bugs were fixed:

    - CVE-2021-47247: net/mlx5e: Fix use-after-free of encap entry in neigh update handler (bsc#1224865).
    - CVE-2021-47311: net: qcom/emac: fix UAF in emac_remove (bsc#1225010).
    - CVE-2021-47368: enetc: Fix illegal access when reading affinity_hint (bsc#1225161).
    - CVE-2021-47372: net: macb: fix use after free on rmmod (bsc#1225184).
    - CVE-2021-47379: blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd (bsc#1225203).
    - CVE-2021-47571: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() (bsc#1225518).
    - CVE-2022-48760: USB: core: Fix hang in usb_kill_urb by adding memory barriers (bsc#1226712).
    - CVE-2023-52707: sched/psi: Fix use-after-free in ep_remove_wait_queue() (bsc#1225109). polled     (bsc#1202623).
    - CVE-2023-52752: smb: client: fix use-after-free bug in cifs_debug_data_proc_show() (bsc#1225487).
    - CVE-2023-52881: tcp: do not accept ACK of bytes we never sent (bsc#1225611).
    - CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in __unix_gc() (bsc#1223384).
    - CVE-2024-35789: Check fast rx for non-4addr sta VLAN changes (bsc#1224749).
    - CVE-2024-35861: Fixed potential UAF in cifs_signal_cifsd_for_reconnect() (bsc#1224766).
    - CVE-2024-35862: Fixed potential UAF in smb2_is_network_name_deleted() (bsc#1224764).
    - CVE-2024-35864: Fixed potential UAF in smb2_is_valid_lease_break() (bsc#1224765).
    - CVE-2024-35950: drm/client: Fully protect modes with dev->mode_config.mutex (bsc#1224703).
    - CVE-2024-36894: usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete (bsc#1225749).
    - CVE-2024-36904: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique() (bsc#1225732).
    - CVE-2024-36940: pinctrl: core: delete incorrect free in pinctrl_enable() (bsc#1225840).
    - CVE-2024-36964: fs/9p: only translate RWX permissions for plain 9P2000 (bsc#1225866).
    - CVE-2024-38545: RDMA/hns: Fix UAF for cq async event (bsc#1226595)
    - CVE-2024-38559: scsi: qedf: Ensure the copied buf is NUL terminated (bsc#1226758).
    - CVE-2024-38560: scsi: bfa: Ensure the copied buf is NUL terminated (bsc#1226786).


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.

ID	Name	Product	Family	Severity
237255	Debian dla-4178 : ata-modules-5.10.0-34-armmp-di - security update	Nessus	Debian Local Security Checks	high
236993	Photon OS 4.0: Linux PHSA-2025-4.0-0801	Nessus	PhotonOS Local Security Checks	high
234966	Amazon Linux 2 : kernel (ALASKERNEL-5.4-2025-100)	Nessus	Amazon Linux Local Security Checks	high
234958	Amazon Linux 2 : kernel (ALASKERNEL-5.10-2025-090)	Nessus	Amazon Linux Local Security Checks	high
224328	Linux Distros Unpatched Vulnerability : CVE-2021-47247	Nessus	Misc.	high
209785	EulerOS Virtualization 2.12.0 : kernel (EulerOS-SA-2024-2781)	Nessus	Huawei Local Security Checks	high
209777	EulerOS Virtualization 2.12.1 : kernel (EulerOS-SA-2024-2763)	Nessus	Huawei Local Security Checks	high
208351	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2024-2519)	Nessus	Huawei Local Security Checks	high
208330	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2024-2544)	Nessus	Huawei Local Security Checks	high
202104	SUSE SLES15 Security Update : kernel (SUSE-SU-2024:2365-1)	Nessus	SuSE Local Security Checks	high
202093	SUSE SLES15 Security Update : kernel (SUSE-SU-2024:2362-1)	Nessus	SuSE Local Security Checks	high

Detections

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CVE-2021-47247

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Tenable Plugins

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