The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1792243434 advisory.

  - In the Linux kernel, the following vulnerability has been resolved: ethernet: hisilicon: hns:
    hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() The if statement: if (port >=     DSAF_GE_NUM) return; limits the value of port less than DSAF_GE_NUM (i.e., 8). However, if the value of     port is 6 or 7, an array overflow could occur: port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
    because the length of dsaf_dev->mac_cb is DSAF_MAX_PORT_NUM (i.e., 6). To fix this possible array     overflow, we first check port and if it is greater than or equal to DSAF_MAX_PORT_NUM, the function     returns. (CVE-2021-47548)

  - In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a suspicious RCU usage     warning I received the following warning while running cthon against an ontap server running pNFS: [     57.202521] ============================= [ 57.202522] WARNING: suspicious RCU usage [ 57.202523]     6.7.0-rc3-g2cc14f52aeb7 #41492 Not tainted [ 57.202525] ----------------------------- [ 57.202525]     net/sunrpc/xprtmultipath.c:349 RCU-list traversed in non-reader section!! [ 57.202527] other info that     might help us debug this: [ 57.202528] rcu_scheduler_active = 2, debug_locks = 1 [ 57.202529] no locks     held by test5/3567. [ 57.202530] stack backtrace: [ 57.202532] CPU: 0 PID: 3567 Comm: test5 Not tainted     6.7.0-rc3-g2cc14f52aeb7 #41492 5b09971b4965c0aceba19f3eea324a4a806e227e [ 57.202534] Hardware name: QEMU     Standard PC (Q35 + ICH9, 2009), BIOS unknown 2/2/2022 [ 57.202536] Call Trace: [ 57.202537] <TASK> [     57.202540] dump_stack_lvl+0x77/0xb0 [ 57.202551] lockdep_rcu_suspicious+0x154/0x1a0 [ 57.202556]     rpc_xprt_switch_has_addr+0x17c/0x190 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [ 57.202596]     rpc_clnt_setup_test_and_add_xprt+0x50/0x180 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [ 57.202621]     ? rpc_clnt_add_xprt+0x254/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [ 57.202646]     rpc_clnt_add_xprt+0x27a/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [ 57.202671] ?
    __pfx_rpc_clnt_setup_test_and_add_xprt+0x10/0x10 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [     57.202696] nfs4_pnfs_ds_connect+0x345/0x760 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9] [ 57.202728]     ? __pfx_nfs4_test_session_trunk+0x10/0x10 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9] [ 57.202754]     nfs4_fl_prepare_ds+0x75/0xc0 [nfs_layout_nfsv41_files e3a4187f18ae8a27b630f9feae6831b584a9360a] [     57.202760] filelayout_write_pagelist+0x4a/0x200 [nfs_layout_nfsv41_files     e3a4187f18ae8a27b630f9feae6831b584a9360a] [ 57.202765] pnfs_generic_pg_writepages+0xbe/0x230 [nfsv4     c716d88496ded0ea6d289bbea684fa996f9b57a9] [ 57.202788] __nfs_pageio_add_request+0x3fd/0x520 [nfs     6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202813] nfs_pageio_add_request+0x18b/0x390 [nfs     6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202831] nfs_do_writepage+0x116/0x1e0 [nfs     6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202849] nfs_writepages_callback+0x13/0x30 [nfs     6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202866] write_cache_pages+0x265/0x450 [ 57.202870] ?
    __pfx_nfs_writepages_callback+0x10/0x10 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202891]     nfs_writepages+0x141/0x230 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202913]     do_writepages+0xd2/0x230 [ 57.202917] ? filemap_fdatawrite_wbc+0x5c/0x80 [ 57.202921]     filemap_fdatawrite_wbc+0x67/0x80 [ 57.202924] filemap_write_and_wait_range+0xd9/0x170 [ 57.202930]     nfs_wb_all+0x49/0x180 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202947]     nfs4_file_flush+0x72/0xb0 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9] [ 57.202969]
    __se_sys_close+0x46/0xd0 [ 57.202972] do_syscall_64+0x68/0x100 [ 57.202975] ? do_syscall_64+0x77/0x100 [     57.202976] ? do_syscall_64+0x77/0x100 [ 57.202979] entry_SYSCALL_64_after_hwframe+0x6e/0x76 [ 57.202982]     RIP: 0033:0x7fe2b12e4a94 [ 57.202985] Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00     90 f3 0f 1e fa 80 3d d5 18 0e 00 00 74 13 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 44 c3 0f 1f 00 48 83     ec 18 89 7c 24 0c e8 c3 [ 57.202987] RSP: 002b:00007ffe857ddb38 EFLAGS: 00000202 ORIG_RAX:
    0000000000000003 [ 57.202989] RAX: ffffffffffffffda RBX: 00007ffe857dfd68 RCX: 00007fe2b12e4a94 [     57.202991] RDX: 0000000000002000 RSI: 00007ffe857ddc40 RDI: 0000000000000003 [ 57.202992] RBP:
    00007ffe857dfc50 R08: 7fffffffffffffff R09: 0000000065650f49 [ 57.202993] R10: 00007f ---truncated---     (CVE-2023-52623)

  - In the Linux kernel, the following vulnerability has been resolved: dm: call the resume method on internal     suspend There is this reported crash when experimenting with the lvm2 testsuite. The list corruption is     caused by the fact that the postsuspend and resume methods were not paired correctly; there were two     consecutive calls to the origin_postsuspend function. The second call attempts to remove the hash_list     entry from a list, while it was already removed by the first call. Fix __dm_internal_resume so that it     calls the preresume and resume methods of the table's targets. If a preresume method of some target fails,     we are in a tricky situation. We can't return an error because dm_internal_resume isn't supposed to return     errors. We can't return success, because then the resume and postsuspend methods would not be paired     correctly. So, we set the DMF_SUSPENDED flag and we fake normal suspend - it may confuse userspace tools,     but it won't cause a kernel crash. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:56!     invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 8343 Comm: dmsetup Not tainted 6.8.0-rc6 #4 Hardware     name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014 RIP:
    0010:__list_del_entry_valid_or_report+0x77/0xc0 <snip> RSP: 0018:ffff8881b831bcc0 EFLAGS: 00010282 RAX:
    000000000000004e RBX: ffff888143b6eb80 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff819053d0     RDI: 00000000ffffffff RBP: ffff8881b83a3400 R08: 00000000fffeffff R09: 0000000000000058 R10:
    0000000000000000 R11: ffffffff81a24080 R12: 0000000000000001 R13: ffff88814538e000 R14: ffff888143bc6dc0     R15: ffffffffa02e4bb0 FS: 00000000f7c0f780(0000) GS:ffff8893f0a40000(0000) knlGS:0000000000000000 CS: 0010     DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000057fb5000 CR3: 0000000143474000 CR4: 00000000000006b0     Call Trace: <TASK> ? die+0x2d/0x80 ? do_trap+0xeb/0xf0 ? __list_del_entry_valid_or_report+0x77/0xc0 ?     do_error_trap+0x60/0x80 ? __list_del_entry_valid_or_report+0x77/0xc0 ? exc_invalid_op+0x49/0x60 ?
    __list_del_entry_valid_or_report+0x77/0xc0 ? asm_exc_invalid_op+0x16/0x20 ? table_deps+0x1b0/0x1b0     [dm_mod] ? __list_del_entry_valid_or_report+0x77/0xc0 origin_postsuspend+0x1a/0x50 [dm_snapshot]     dm_table_postsuspend_targets+0x34/0x50 [dm_mod] dm_suspend+0xd8/0xf0 [dm_mod] dev_suspend+0x1f2/0x2f0     [dm_mod] ? table_deps+0x1b0/0x1b0 [dm_mod] ctl_ioctl+0x300/0x5f0 [dm_mod] dm_compat_ctl_ioctl+0x7/0x10     [dm_mod] __x64_compat_sys_ioctl+0x104/0x170 do_syscall_64+0x184/0x1b0     entry_SYSCALL_64_after_hwframe+0x46/0x4e RIP: 0033:0xf7e6aead <snip> ---[ end trace 0000000000000000 ]---     (CVE-2024-26880)

  - In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: flush pending     destroy work before exit_net release Similar to 2c9f0293280e (netfilter: nf_tables: flush pending destroy     work before netlink notifier) to address a race between exit_net and the destroy workqueue. The trace     below shows an element to be released via destroy workqueue while exit_net path (triggered via module     removal) has already released the set that is used in such transaction. [ 1360.547789] BUG: KASAN: slab-     use-after-free in nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables] [ 1360.547861] Read of size 8 at     addr ffff888140500cc0 by task kworker/4:1/152465 [ 1360.547870] CPU: 4 PID: 152465 Comm: kworker/4:1 Not     tainted 6.8.0+ #359 [ 1360.547882] Workqueue: events nf_tables_trans_destroy_work [nf_tables] [     1360.547984] Call Trace: [ 1360.547991] <TASK> [ 1360.547998] dump_stack_lvl+0x53/0x70 [ 1360.548014]     print_report+0xc4/0x610 [ 1360.548026] ? __virt_addr_valid+0xba/0x160 [ 1360.548040] ?
    __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 1360.548054] ? nf_tables_trans_destroy_work+0x3f5/0x590     [nf_tables] [ 1360.548176] kasan_report+0xae/0xe0 [ 1360.548189] ?     nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables] [ 1360.548312]     nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables] [ 1360.548447] ?
    __pfx_nf_tables_trans_destroy_work+0x10/0x10 [nf_tables] [ 1360.548577] ? _raw_spin_unlock_irq+0x18/0x30 [     1360.548591] process_one_work+0x2f1/0x670 [ 1360.548610] worker_thread+0x4d3/0x760 [ 1360.548627] ?
    __pfx_worker_thread+0x10/0x10 [ 1360.548640] kthread+0x16b/0x1b0 [ 1360.548653] ? __pfx_kthread+0x10/0x10     [ 1360.548665] ret_from_fork+0x2f/0x50 [ 1360.548679] ? __pfx_kthread+0x10/0x10 [ 1360.548690]     ret_from_fork_asm+0x1a/0x30 [ 1360.548707] </TASK> [ 1360.548719] Allocated by task 192061: [ 1360.548726]     kasan_save_stack+0x20/0x40 [ 1360.548739] kasan_save_track+0x14/0x30 [ 1360.548750]
    __kasan_kmalloc+0x8f/0xa0 [ 1360.548760] __kmalloc_node+0x1f1/0x450 [ 1360.548771]     nf_tables_newset+0x10c7/0x1b50 [nf_tables] [ 1360.548883] nfnetlink_rcv_batch+0xbc4/0xdc0 [nfnetlink] [     1360.548909] nfnetlink_rcv+0x1a8/0x1e0 [nfnetlink] [ 1360.548927] netlink_unicast+0x367/0x4f0 [     1360.548935] netlink_sendmsg+0x34b/0x610 [ 1360.548944] ____sys_sendmsg+0x4d4/0x510 [ 1360.548953]
    ___sys_sendmsg+0xc9/0x120 [ 1360.548961] __sys_sendmsg+0xbe/0x140 [ 1360.548971] do_syscall_64+0x55/0x120     [ 1360.548982] entry_SYSCALL_64_after_hwframe+0x55/0x5d [ 1360.548994] Freed by task 192222: [     1360.548999] kasan_save_stack+0x20/0x40 [ 1360.549009] kasan_save_track+0x14/0x30 [ 1360.549019]     kasan_save_free_info+0x3b/0x60 [ 1360.549028] poison_slab_object+0x100/0x180 [ 1360.549036]
    __kasan_slab_free+0x14/0x30 [ 1360.549042] kfree+0xb6/0x260 [ 1360.549049] __nft_release_table+0x473/0x6a0     [nf_tables] [ 1360.549131] nf_tables_exit_net+0x170/0x240 [nf_tables] [ 1360.549221]     ops_exit_list+0x50/0xa0 [ 1360.549229] free_exit_list+0x101/0x140 [ 1360.549236]     unregister_pernet_operations+0x107/0x160 [ 1360.549245] unregister_pernet_subsys+0x1c/0x30 [ 1360.549254]     nf_tables_module_exit+0x43/0x80 [nf_tables] [ 1360.549345] __do_sys_delete_module+0x253/0x370 [     1360.549352] do_syscall_64+0x55/0x120 [ 1360.549360] entry_SYSCALL_64_after_hwframe+0x55/0x5d (gdb) list
    *__nft_release_table+0x473 0x1e033 is in __nft_release_table (net/netfilter/nf_tables_api.c:11354). 11349     list_for_each_entry_safe(flowtable, nf, &table->flowtables, list) { 11350 list_del(&flowtable->list);
    11351 nft_use_dec(&table->use); 11352 nf_tables_flowtable_destroy(flowtable); 11353 } 11354     list_for_each_entry_safe(set, ns, &table->sets, list) { 11355 list_del(&set->list); 11356     nft_use_dec(&table->use); 11357 if (set->flags & (NFT_SET_MAP | NFT_SET_OBJECT)) 11358 nft_map_deactivat
    ---truncated--- (CVE-2024-35899)

  - In the Linux kernel, the following vulnerability has been resolved: drm/client: Fully protect modes[] with     dev->mode_config.mutex The modes[] array contains pointers to modes on the connectors' mode lists, which     are protected by dev->mode_config.mutex. Thus we need to extend modes[] the same protection or by the time     we use it the elements may already be pointing to freed/reused memory. (CVE-2024-35950)

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

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1793100968 advisory.

  - In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double brelse() in     udf_rename() syzbot reported a warning like below [1]: VFS: brelse: Trying to free free buffer WARNING:
    CPU: 2 PID: 7301 at fs/buffer.c:1145 __brelse+0x67/0xa0 ... Call Trace: <TASK>     invalidate_bh_lru+0x99/0x150 smp_call_function_many_cond+0xe2a/0x10c0 ?     generic_remap_file_range_prep+0x50/0x50 ? __brelse+0xa0/0xa0 ? __mutex_lock+0x21c/0x12d0 ?     smp_call_on_cpu+0x250/0x250 ? rcu_read_lock_sched_held+0xb/0x60 ? lock_release+0x587/0x810 ?
    __brelse+0xa0/0xa0 ? generic_remap_file_range_prep+0x50/0x50 on_each_cpu_cond_mask+0x3c/0x80     blkdev_flush_mapping+0x13a/0x2f0 blkdev_put_whole+0xd3/0xf0 blkdev_put+0x222/0x760     deactivate_locked_super+0x96/0x160 deactivate_super+0xda/0x100 cleanup_mnt+0x222/0x3d0     task_work_run+0x149/0x240 ? task_work_cancel+0x30/0x30 do_exit+0xb29/0x2a40 ?     reacquire_held_locks+0x4a0/0x4a0 ? do_raw_spin_lock+0x12a/0x2b0 ? mm_update_next_owner+0x7c0/0x7c0 ?     rwlock_bug.part.0+0x90/0x90 ? zap_other_threads+0x234/0x2d0 do_group_exit+0xd0/0x2a0
    __x64_sys_exit_group+0x3a/0x50 do_syscall_64+0x34/0xb0 entry_SYSCALL_64_after_hwframe+0x63/0xcd The cause     of the issue is that brelse() is called on both ofibh.sbh and ofibh.ebh by udf_find_entry() when it     returns NULL. However, brelse() is called by udf_rename(), too. So, b_count on buffer_head becomes     unbalanced. This patch fixes the issue by not calling brelse() by udf_rename() when udf_find_entry()     returns NULL. (CVE-2022-50755)

  - In the Linux kernel, the following vulnerability has been resolved: soc: qcom: qmi_encdec: Restrict string     length in decode The QMI TLV value for strings in a lot of qmi element info structures account for null     terminated strings with MAX_LEN + 1. If a string is actually MAX_LEN + 1 length, this will cause an out of     bounds access when the NULL character is appended in decoding. (CVE-2023-53729)

  - In the Linux kernel, the following vulnerability has been resolved: can: isotp: check CAN address family     in isotp_bind() Add missing check to block non-AF_CAN binds. Syzbot created some code which matched the     right sockaddr struct size but used AF_XDP (0x2C) instead of AF_CAN (0x1D) in the address family field:
    bind$xdp(r2, &(0x7f0000000540)={0x2c, 0x0, r4, 0x0, r2}, 0x10) ^^^^ This has no funtional impact but the     userspace should be notified about the wrong address family field content. (CVE-2023-54105)

  - In the Linux kernel, the following vulnerability has been resolved: usb: rndis_host: Secure rndis_query     check against int overflow Variables off and len typed as uint32 in rndis_query function are controlled by     incoming RNDIS response message thus their value may be manipulated. Setting off to a unexpectetly large     value will cause the sum with len and 8 to overflow and pass the implemented validation step. Consequently     the response pointer will be referring to a location past the expected buffer boundaries allowing     information leakage e.g. via RNDIS_OID_802_3_PERMANENT_ADDRESS OID. (CVE-2023-54110)

  - In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: Fix shift-out-of-bounds     in spi_nor_set_erase_type spi_nor_set_erase_type() was used either to set or to mask out an erase type.
    When we used it to mask out an erase type a shift-out-of-bounds was hit: UBSAN: shift-out-of-bounds in     drivers/mtd/spi-nor/core.c:2237:24 shift exponent 4294967295 is too large for 32-bit type 'int' The     setting of the size_{shift, mask} and of the opcode are unnecessary when the erase size is zero, as     throughout the code just the erase size is considered to determine whether an erase type is supported or     not. Setting the opcode to 0xFF was wrong too as nobody guarantees that 0xFF is an unused opcode. Thus     when masking out an erase type, just set the erase size to zero. This will fix the shift-out-of-bounds.
    [ta: refine changes, new commit message, fix compilation error] (CVE-2023-54295)

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

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1792750763 advisory.

  - In the Linux kernel, the following vulnerability has been resolved: RDMA: Fix use-after-free in     rxe_queue_cleanup On error handling path in rxe_qp_from_init() qp->sq.queue is freed and then     rxe_create_qp() will drop last reference to this object. qp clean up function will try to free this queue     one time and it causes UAF bug. Fix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().
    (CVE-2021-47616)

  - In the Linux kernel, the following vulnerability has been resolved: mrp: introduce active flags to prevent     UAF when applicant uninit The caller of del_timer_sync must prevent restarting of the timer, If we have no     this synchronization, there is a small probability that the cancellation will not be successful. And     syzbot report the fellowing crash: ================================================================== BUG:
    KASAN: use-after-free in hlist_add_head include/linux/list.h:929 [inline] BUG: KASAN: use-after-free in     enqueue_timer+0x18/0xa4 kernel/time/timer.c:605 Write at addr f9ff000024df6058 by task syz-fuzzer/2256     Pointer tag: [f9], memory tag: [fe] CPU: 1 PID: 2256 Comm: syz-fuzzer Not tainted     6.1.0-rc5-syzkaller-00008- ge01d50cbd6ee #0 Hardware name: linux,dummy-virt (DT) Call trace:
    dump_backtrace.part.0+0xe0/0xf0 arch/arm64/kernel/stacktrace.c:156 dump_backtrace     arch/arm64/kernel/stacktrace.c:162 [inline] show_stack+0x18/0x40 arch/arm64/kernel/stacktrace.c:163
    __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x68/0x84 lib/dump_stack.c:106     print_address_description mm/kasan/report.c:284 [inline] print_report+0x1a8/0x4a0 mm/kasan/report.c:395     kasan_report+0x94/0xb4 mm/kasan/report.c:495 __do_kernel_fault+0x164/0x1e0 arch/arm64/mm/fault.c:320     do_bad_area arch/arm64/mm/fault.c:473 [inline] do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:749     do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:825 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367     el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427 el1h_64_sync+0x64/0x68     arch/arm64/kernel/entry.S:576 hlist_add_head include/linux/list.h:929 [inline] enqueue_timer+0x18/0xa4     kernel/time/timer.c:605 mod_timer+0x14/0x20 kernel/time/timer.c:1161 mrp_periodic_timer_arm     net/802/mrp.c:614 [inline] mrp_periodic_timer+0xa0/0xc0 net/802/mrp.c:627     call_timer_fn.constprop.0+0x24/0x80 kernel/time/timer.c:1474 expire_timers+0x98/0xc4     kernel/time/timer.c:1519 To fix it, we can introduce a new active flags to make sure the timer will not     restart. (CVE-2022-50697)

  - In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: fix ->anon_vma race If     an ->anon_vma is attached to the VMA, collapse_and_free_pmd() requires it to be locked. Page table     traversal is allowed under any one of the mmap lock, the anon_vma lock (if the VMA is associated with an     anon_vma), and the mapping lock (if the VMA is associated with a mapping); and so to be able to remove     page tables, we must hold all three of them. retract_page_tables() bails out if an ->anon_vma is attached,     but does this check before holding the mmap lock (as the comment above the check explains). If we racily     merged an existing ->anon_vma (shared with a child process) from a neighboring VMA, subsequent rmap     traversals on pages belonging to the child will be able to see the page tables that we are concurrently     removing while assuming that nothing else can access them. Repeat the ->anon_vma check once we hold the     mmap lock to ensure that there really is no concurrent page table access. Hitting this bug causes a     lockdep warning in collapse_and_free_pmd(), in the line     lockdep_assert_held_write(&vma->anon_vma->root->rwsem). It can also lead to use-after-free access.
    (CVE-2023-52935)

  - In the Linux kernel, the following vulnerability has been resolved: SUNRPC: make sure cache entry active     before cache_show The function `c_show` was called with protection from RCU. This only ensures that `cp`     will not be freed. Therefore, the reference count for `cp` can drop to zero, which will trigger a refcount     use-after-free warning when `cache_get` is called. To resolve this issue, use `cache_get_rcu` to ensure     that `cp` remains active. ------------[ cut here ]------------ refcount_t: addition on 0; use-after-free.
    WARNING: CPU: 7 PID: 822 at lib/refcount.c:25 refcount_warn_saturate+0xb1/0x120 CPU: 7 UID: 0 PID: 822     Comm: cat Not tainted 6.12.0-rc3+ #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS     1.16.1-2.fc37 04/01/2014 RIP: 0010:refcount_warn_saturate+0xb1/0x120 Call Trace: <TASK> c_show+0x2fc/0x380     [sunrpc] seq_read_iter+0x589/0x770 seq_read+0x1e5/0x270 proc_reg_read+0xe1/0x140 vfs_read+0x125/0x530     ksys_read+0xc1/0x160 do_syscall_64+0x5f/0x170 entry_SYSCALL_64_after_hwframe+0x76/0x7e (CVE-2024-53174)

  - In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag     marker through frag-transfer helpers Two frag-transfer helpers (__pskb_copy_fclone() and skb_shift()) fail     to propagate the SKBFL_SHARED_FRAG bit in skb_shinfo()->flags when moving frags from source to     destination. __pskb_copy_fclone() defers the rest of the shinfo metadata to skb_copy_header() after     copying frag descriptors, but that helper only carries over gso_{size,segs, type} and never touches     skb_shinfo()->flags; skb_shift() moves frag descriptors directly and leaves flags untouched. As a result,     the destination skb keeps a reference to the same externally-owned or page-cache-backed pages while     reporting skb_has_shared_frag() as false. The mismatch is harmful in any in-place writer that uses     skb_has_shared_frag() to decide whether shared pages must be detoured through skb_cow_data(). ESP input is     one such writer (esp4.c, esp6.c), and a single nft 'dup to <local>' rule -- or any other nf_dup_ipv4() /     xt_TEE caller -- is enough to land a pskb_copy()'d skb in esp_input() with the marker stripped, letting an     unprivileged user write into the page cache of a root-owned read-only file via authencesn-ESN stray     writes. Set SKBFL_SHARED_FRAG on the destination whenever frag descriptors were actually moved from the     source. skb_copy() and skb_copy_expand() share skb_copy_header() too but linearize all paged data into     freshly allocated head storage and emerge with nr_frags == 0, so skb_has_shared_frag() returns false on     its own; they need no change. The same omission exists in skb_gro_receive() and skb_gro_receive_list().
    The former moves the incoming skb's frag descriptors into the accumulator's last sub-skb via two paths (a     direct frag-move loop and the head_frag + memcpy path); the latter chains the incoming skb whole onto p's     frag_list. Downstream skb_segment() reads only skb_shinfo(p)->flags, and skb_segment_list() reuses each     sub-skb's shinfo as the nskb -- both p and lp must carry the marker. The same omission also exists in     tcp_clone_payload(), which builds an MTU probe skb by moving frag descriptors from skbs on sk_write_queue     into a freshly allocated nskb. The helper falls into the same family and warrants the same fix for     consistency; no TCP TX-side in-place writer is currently known to reach a user page through this gap, but     a future consumer depending on the marker would regress silently. The same omission exists in     skb_segment(): the per-iteration flag merge takes only head_skb's flag, and the inner switch that rebinds     frag_skb to list_skb on head_skb-frags exhaustion does not fold the new frag_skb's flag into nskb. Fold     frag_skb's flag at both sites so segments drawing frags from frag_list members carry the marker.
    (CVE-2026-43503)

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

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1793100968 advisory.

  - In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double brelse() in     udf_rename() syzbot reported a warning like below [1]: VFS: brelse: Trying to free free buffer WARNING:
    CPU: 2 PID: 7301 at fs/buffer.c:1145 __brelse+0x67/0xa0 ... Call Trace: <TASK>     invalidate_bh_lru+0x99/0x150 smp_call_function_many_cond+0xe2a/0x10c0 ?     generic_remap_file_range_prep+0x50/0x50 ? __brelse+0xa0/0xa0 ? __mutex_lock+0x21c/0x12d0 ?     smp_call_on_cpu+0x250/0x250 ? rcu_read_lock_sched_held+0xb/0x60 ? lock_release+0x587/0x810 ?
    __brelse+0xa0/0xa0 ? generic_remap_file_range_prep+0x50/0x50 on_each_cpu_cond_mask+0x3c/0x80     blkdev_flush_mapping+0x13a/0x2f0 blkdev_put_whole+0xd3/0xf0 blkdev_put+0x222/0x760     deactivate_locked_super+0x96/0x160 deactivate_super+0xda/0x100 cleanup_mnt+0x222/0x3d0     task_work_run+0x149/0x240 ? task_work_cancel+0x30/0x30 do_exit+0xb29/0x2a40 ?     reacquire_held_locks+0x4a0/0x4a0 ? do_raw_spin_lock+0x12a/0x2b0 ? mm_update_next_owner+0x7c0/0x7c0 ?     rwlock_bug.part.0+0x90/0x90 ? zap_other_threads+0x234/0x2d0 do_group_exit+0xd0/0x2a0
    __x64_sys_exit_group+0x3a/0x50 do_syscall_64+0x34/0xb0 entry_SYSCALL_64_after_hwframe+0x63/0xcd The cause     of the issue is that brelse() is called on both ofibh.sbh and ofibh.ebh by udf_find_entry() when it     returns NULL. However, brelse() is called by udf_rename(), too. So, b_count on buffer_head becomes     unbalanced. This patch fixes the issue by not calling brelse() by udf_rename() when udf_find_entry()     returns NULL. (CVE-2022-50755)

  - In the Linux kernel, the following vulnerability has been resolved: soc: qcom: qmi_encdec: Restrict string     length in decode The QMI TLV value for strings in a lot of qmi element info structures account for null     terminated strings with MAX_LEN + 1. If a string is actually MAX_LEN + 1 length, this will cause an out of     bounds access when the NULL character is appended in decoding. (CVE-2023-53729)

  - In the Linux kernel, the following vulnerability has been resolved: can: isotp: check CAN address family     in isotp_bind() Add missing check to block non-AF_CAN binds. Syzbot created some code which matched the     right sockaddr struct size but used AF_XDP (0x2C) instead of AF_CAN (0x1D) in the address family field:
    bind$xdp(r2, &(0x7f0000000540)={0x2c, 0x0, r4, 0x0, r2}, 0x10) ^^^^ This has no funtional impact but the     userspace should be notified about the wrong address family field content. (CVE-2023-54105)

  - In the Linux kernel, the following vulnerability has been resolved: usb: rndis_host: Secure rndis_query     check against int overflow Variables off and len typed as uint32 in rndis_query function are controlled by     incoming RNDIS response message thus their value may be manipulated. Setting off to a unexpectetly large     value will cause the sum with len and 8 to overflow and pass the implemented validation step. Consequently     the response pointer will be referring to a location past the expected buffer boundaries allowing     information leakage e.g. via RNDIS_OID_802_3_PERMANENT_ADDRESS OID. (CVE-2023-54110)

  - In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: Fix shift-out-of-bounds     in spi_nor_set_erase_type spi_nor_set_erase_type() was used either to set or to mask out an erase type.
    When we used it to mask out an erase type a shift-out-of-bounds was hit: UBSAN: shift-out-of-bounds in     drivers/mtd/spi-nor/core.c:2237:24 shift exponent 4294967295 is too large for 32-bit type 'int' The     setting of the size_{shift, mask} and of the opcode are unnecessary when the erase size is zero, as     throughout the code just the erase size is considered to determine whether an erase type is supported or     not. Setting the opcode to 0xFF was wrong too as nobody guarantees that 0xFF is an unused opcode. Thus     when masking out an erase type, just set the erase size to zero. This will fix the shift-out-of-bounds.
    [ta: refine changes, new commit message, fix compilation error] (CVE-2023-54295)

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.

  - drm/amd/display: Fix dangling pointer in CRTC reset function amdgpu_dm_crtc_reset_state() frees the old     state before allocating a new one. If kzalloc() fails, the function returns without updating the state     pointer, leaving a dangling pointer to already freed memory. Fix this by allocating the new state first.
    On allocation failure, the old state remains untouched and the function safely returns. Found by Linux     Verification Center (linuxtesting.org) with SVACE. [adjust for movement around current amd-staging-drm-     next] (CVE-2026-93175)

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

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1792749577 advisory.

  - In the Linux kernel, the following vulnerability has been resolved: cifs: fix session state check in     reconnect to avoid use-after-free issue Don't collect exiting session in smb2_reconnect_server(), because     it will be released soon. Note that the exiting session will stay in server->smb_ses_list until it     complete the cifs_free_ipc() and logoff() and then delete itself from the list. (CVE-2023-53794)

  - In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag     marker through frag-transfer helpers Two frag-transfer helpers (__pskb_copy_fclone() and skb_shift()) fail     to propagate the SKBFL_SHARED_FRAG bit in skb_shinfo()->flags when moving frags from source to     destination. __pskb_copy_fclone() defers the rest of the shinfo metadata to skb_copy_header() after     copying frag descriptors, but that helper only carries over gso_{size,segs, type} and never touches     skb_shinfo()->flags; skb_shift() moves frag descriptors directly and leaves flags untouched. As a result,     the destination skb keeps a reference to the same externally-owned or page-cache-backed pages while     reporting skb_has_shared_frag() as false. The mismatch is harmful in any in-place writer that uses     skb_has_shared_frag() to decide whether shared pages must be detoured through skb_cow_data(). ESP input is     one such writer (esp4.c, esp6.c), and a single nft 'dup to <local>' rule -- or any other nf_dup_ipv4() /     xt_TEE caller -- is enough to land a pskb_copy()'d skb in esp_input() with the marker stripped, letting an     unprivileged user write into the page cache of a root-owned read-only file via authencesn-ESN stray     writes. Set SKBFL_SHARED_FRAG on the destination whenever frag descriptors were actually moved from the     source. skb_copy() and skb_copy_expand() share skb_copy_header() too but linearize all paged data into     freshly allocated head storage and emerge with nr_frags == 0, so skb_has_shared_frag() returns false on     its own; they need no change. The same omission exists in skb_gro_receive() and skb_gro_receive_list().
    The former moves the incoming skb's frag descriptors into the accumulator's last sub-skb via two paths (a     direct frag-move loop and the head_frag + memcpy path); the latter chains the incoming skb whole onto p's     frag_list. Downstream skb_segment() reads only skb_shinfo(p)->flags, and skb_segment_list() reuses each     sub-skb's shinfo as the nskb -- both p and lp must carry the marker. The same omission also exists in     tcp_clone_payload(), which builds an MTU probe skb by moving frag descriptors from skbs on sk_write_queue     into a freshly allocated nskb. The helper falls into the same family and warrants the same fix for     consistency; no TCP TX-side in-place writer is currently known to reach a user page through this gap, but     a future consumer depending on the marker would regress silently. The same omission exists in     skb_segment(): the per-iteration flag merge takes only head_skb's flag, and the inner switch that rebinds     frag_skb to list_skb on head_skb-frags exhaustion does not fold the new frag_skb's flag into nskb. Fold     frag_skb's flag at both sites so segments drawing frags from frag_list members carry the marker.
    (CVE-2026-43503)

  - In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Validate wqe_size before     using it in ib_uverbs_post_send ib_uverbs_post_send() uses cmd.wqe_size from userspace without any     validation before passing it to kmalloc() and using the allocated buffer as struct ib_uverbs_send_wr. If a     user provides a small wqe_size value (e.g., 1), kmalloc() will succeed, but subsequent accesses to     user_wr->opcode, user_wr->num_sge, and other fields will read beyond the allocated buffer, resulting in an     out-of-bounds read from kernel heap memory. This could potentially leak sensitive kernel information to     userspace. Additionally, providing an excessively large wqe_size can trigger a WARNING in the memory     allocation path, as reported by syzkaller. This is inconsistent with ib_uverbs_unmarshall_recv() which     properly validates that wqe_size >= sizeof(struct ib_uverbs_recv_wr) before proceeding. Add the same     validation for ib_uverbs_post_send() to ensure wqe_size is at least sizeof(struct ib_uverbs_send_wr).
    (CVE-2026-45856)

  - In the Linux kernel, the following vulnerability has been resolved: crypto: authencesn - reject short     ahash digests during instance creation authencesn requires either a zero authsize or an authsize of at     least 4 bytes because the ESN encrypt/decrypt paths always move 4 bytes of high-order sequence number data     at the end of the authenticated data. While crypto_authenc_esn_setauthsize() already rejects explicit non-     zero authsizes in the range 1..3, crypto_authenc_esn_create() still copied auth->digestsize into     inst->alg.maxauthsize without validating it. The AEAD core then initialized the tfm's default authsize     from that value. As a result, selecting an ahash with digest size 1..3, such as cbcmac(cipher_null),     exposed authencesn instances whose default authsize was invalid even though setauthsize() would have     rejected the same value. AF_ALG could then trigger the ESN tail handling with a too-short tag and hit an     out-of-bounds access. Reject authencesn instances whose ahash digest size is in the invalid non-zero range     1..3 so that no tfm can inherit an unsupported default authsize. (CVE-2026-46033)

  - In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before     payload_size() in rxe_rcv rxe_rcv() currently checks only that the incoming packet is at least     header_size(pkt) bytes long before payload_size() is used. However, payload_size() subtracts both the     attacker-controlled BTH pad field and RXE_ICRC_SIZE from pkt->paylen: payload_size = pkt->paylen -     offset[RXE_PAYLOAD] - bth_pad(pkt) - RXE_ICRC_SIZE This means a short packet can still make payload_size()     underflow even if it includes enough bytes for the fixed headers. Simply requiring header_size(pkt) +     RXE_ICRC_SIZE is not sufficient either, because a packet with a forged non-zero BTH pad can still leave     payload_size() negative and pass an underflowed value to later receive-path users. Fix this by validating     pkt->paylen against the full minimum length required by payload_size(): header_size(pkt) + bth_pad(pkt) +     RXE_ICRC_SIZE. (CVE-2026-46043)

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	Published	Updated	Severity
366778	AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1792243434)	Nessus	Alma Linux Local Security Checks	10/17/2026	10/27/2026	medium
373062	AlmaLinux 9.6 [TuxCare] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1793100968)	Nessus	Alma Linux Local Security Checks	10/28/2026	10/28/2026	high
371224	CentOS Linux 8.5 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1792750763)	Nessus	CentOS Local Security Checks	10/23/2026	10/26/2026	high
373068	Rocky Linux 9.6 [TuxCare] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1793100968)	Nessus	Rocky Linux Local Security Checks	10/28/2026	10/28/2026	high
347811	Linux Distros Unpatched Vulnerability : CVE-2026-93175	Nessus	Misc.	9/18/2026	11/6/2026	high
371225	CentOS Linux 8.4 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1792749577)	Nessus	CentOS Local Security Checks	10/23/2026	10/26/2026	high

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