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Fencer Vulns
high 7.8

CVE-2022-49846 json

udf: Fix a slab-out-of-bounds write bug in udf_find_entry()

published 2025-05-01 18 mo ago modified 2026-08-05 3 mo ago also EUVD-2025-12915

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

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

udf: Fix a slab-out-of-bounds write bug in udf_find_entry()

Syzbot reported a slab-out-of-bounds Write bug:

loop0: detected capacity change from 0 to 2048 ================================================================== BUG: KASAN: slab-out-of-bounds in udf_find_entry+0x8a5/0x14f0 fs/udf/namei.c:253 Write of size 105 at addr ffff8880123ff896 by task syz-executor323/3610

CPU: 0 PID: 3610 Comm: syz-executor323 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:284 print_report+0x107/0x1f0 mm/kasan/report.c:395 kasan_report+0xcd/0x100 mm/kasan/report.c:495 kasan_check_range+0x2a7/0x2e0 mm/kasan/generic.c:189 memcpy+0x3c/0x60 mm/kasan/shadow.c:66 udf_find_entry+0x8a5/0x14f0 fs/udf/namei.c:253 udf_lookup+0xef/0x340 fs/udf/namei.c:309 lookup_open fs/namei.c:3391 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x10e6/0x2df0 fs/namei.c:3710 do_filp_open+0x264/0x4f0 fs/namei.c:3740 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_creat fs/open.c:1402 [inline] __se_sys_creat fs/open.c:1396 [inline] __x64_sys_creat+0x11f/0x160 fs/open.c:1396 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ffab0d164d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe1a7e6bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffab0d164d9 RDX: 00007ffab0d164d9 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 00007ffab0cd5a10 R08: 0000000000000000 R09: 0000000000000000 R10: 00005555573552c0 R11: 0000000000000246 R12: 00007ffab0cd5aa0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK>

Allocated by task 3610: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x3d/0x60 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:380 kmalloc include/linux/slab.h:576 [inline] udf_find_entry+0x7b6/0x14f0 fs/udf/namei.c:243 udf_lookup+0xef/0x340 fs/udf/namei.c:309 lookup_open fs/namei.c:3391 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x10e6/0x2df0 fs/namei.c:3710 do_filp_open+0x264/0x4f0 fs/namei.c:3740 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_creat fs/open.c:1402 [inline] __se_sys_creat fs/open.c:1396 [inline] __x64_sys_creat+0x11f/0x160 fs/open.c:1396 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff8880123ff800 which belongs to the cache kmalloc-256 of size 256 The buggy address is located 150 bytes inside of 256-byte region [ffff8880123ff800, ffff8880123ff900)

The buggy address belongs to the physical page: page:ffffea000048ff80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x123fe head:ffffea000048ff80 order:1 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffffea00004b8500 dead000000000003 ffff888012041b40 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x0(), pid 1, tgid 1 (swapper/0), ts 1841222404, free_ts 0 create_dummy_stack mm/page_owner.c: ---truncated---

Patch / fix

  • Linux Linux 4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.155, 5.15.79, 6.0.9, 6.1
  • linux Debian 14, Debian 13, Debian 12 6.0.10-1

debian advisories DEBIAN-CVE-2022-49846

  • linux Ubuntu 18.04 LTS 4.15.0-206.217
  • linux Ubuntu 20.04 LTS 5.4.0-144.161
  • linux Ubuntu 22.04 LTS 5.15.0-67.74
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1151.164
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1097.105
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1031.35
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1101.110
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1030.37

ubuntu advisories UBUNTU-CVE-2022-49846

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kpatch-patch-5_14_0-570_17_1 RHEL 9 1-4.el9_6
  • kpatch-patch-4_18_0-553_53_1 RHEL 8 1-1.el8_10
  • kpatch-patch-4_18_0-553 RHEL 8 1-7.el8_10
  • kpatch-patch-4_18_0-553_16_1 RHEL 8 1-6.el8_10
  • kpatch-patch-4_18_0-553_30_1 RHEL 8 1-5.el8_10
  • kpatch-patch-4_18_0-553_40_1 RHEL 8 1-3.el8_10
  • kernel-rt RHEL 8 4.18.0-553.60.1.rt7.401.el8_10
  • kernel-rt-kvm RHEL 8 4.18.0-553.60.1.rt7.401.el8_10

red hat advisories RHSA-2025:10980RHSA-2025:10981RHSA-2025:10978RHSA-2025:10979RHSA-2025:10976RHSA-2025:10977

  • kernel-64kb SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS, SLE High Performance Computing 15 SP4-ESPOS 5.14.21-150400.24.167.1
  • kernel-syms SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +3 more 5.14.21-150400.24.167.1
  • kernel-source SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +3 more 5.14.21-150400.24.167.1
  • kernel-default SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Micro 5.4 +7 more 5.14.21-150400.24.167.1
  • kernel-zfcpdump SLES 15 SP4-LTSS, Manager Server 4.3 5.14.21-150400.24.167.1
  • kernel-obs-build SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 5.14.21-150400.24.167.1
  • kernel-default-base SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Micro 5.4 +5 more 5.14.21-150400.24.167.1.150400.24.84.1
  • kernel-64kb SLES 15 SP5-LTSS, SLE High Performance Computing 15 SP5-LTSS, SLE High Performance Computing 15 SP5-ESPOS 5.14.21-150500.55.110.1

suse advisories SUSE-SU-2025:02262-1SUSE-SU-2025:02173-1SUSE-SU-2025:01995-1SUSE-SU-2025:01983-1SUSE-SU-2025:01982-1SUSE-SU-2025:01966-1

  • kernel AlmaLinux 8 4.18.0-553.60.1.el8_10
  • perf AlmaLinux 8 4.18.0-553.60.1.el8_10
  • bpftool AlmaLinux 8 4.18.0-553.60.1.el8_10
  • kernel-core AlmaLinux 8 4.18.0-553.60.1.el8_10
  • kernel-tools AlmaLinux 8 4.18.0-553.60.1.el8_10
  • python3-perf AlmaLinux 8 4.18.0-553.60.1.el8_10
  • kernel-modules AlmaLinux 8 4.18.0-553.60.1.el8_10
  • kernel-zfcpdump AlmaLinux 8 4.18.0-553.60.1.el8_10

almalinux advisories ALSA-2025:10669ALSA-2025:10670ALSA-2025:10379

  • kernel Rocky Linux 9 5.14.0-570.25.1.el9_6

rocky linux advisories RLSA-2025:10379

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-49846 updated cvss 6.7

kernel: udf: Fix a slab-out-of-bounds write bug in udf_find_entry()

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more
    affected: workaround, no fix planned “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.”
  • Red Hat Enterprise Linux 9 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +12 more
    affected: workaround, no fix available “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.”
  • Red Hat CodeReady Linux Builder EUS (v.9.4) libperf 5.14.0-427.76.1.el9_4, kernel-debuginfo-common-s390x 5.14.0-427.76.1.el9_4, kernel-debuginfo-common-x86_64 5.14.0-427.76.1.el9_4, kernel-debuginfo-common-aarch64 5.14.0-427.76.1.el9_4, kernel-debuginfo-common-ppc64le 5.14.0-427.76.1.el9_4
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10701
  • Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-570.25.1.el9_6, perf 5.14.0-570.25.1.el9_6, rtla 5.14.0-570.25.1.el9_6, python3-perf 5.14.0-570.25.1.el9_6, kernel-devel-matched 5.14.0-570.25.1.el9_6, kernel-64k-devel-matched 5.14.0-570.25.1.el9_6, +7 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10379
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) perf 5.14.0-70.138.1.el9_0, kernel-devel-matched 5.14.0-70.138.1.el9_0, kernel-debug-devel-matched 5.14.0-70.138.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.138.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.138.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.138.1.el9_0, +2 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10830
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) perf 5.14.0-284.124.1.el9_2, rtla 5.14.0-284.124.1.el9_2, kernel-devel-matched 5.14.0-284.124.1.el9_2, kernel-64k-devel-matched 5.14.0-284.124.1.el9_2, kernel-debug-devel-matched 5.14.0-284.124.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.124.1.el9_2, +5 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10671
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) rv 5.14.0-427.76.1.el9_4, perf 5.14.0-427.76.1.el9_4, rtla 5.14.0-427.76.1.el9_4, kernel-devel-matched 5.14.0-427.76.1.el9_4, kernel-64k-devel-matched 5.14.0-427.76.1.el9_4, kernel-debug-devel-matched 5.14.0-427.76.1.el9_4, +6 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10701
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.60.1.el8_10, kernel 4.18.0-553.60.1.el8_10, bpftool 4.18.0-553.60.1.el8_10, kernel-core 4.18.0-553.60.1.el8_10, kpatch-patch-4_18_0-553 1-7.el8_10, kernel-tools 4.18.0-553.60.1.el8_10, +20 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10669
show 25 more
  • Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-570.25.1.el9_6, kernel-64k 5.14.0-570.25.1.el9_6, kernel-core 5.14.0-570.25.1.el9_6, kernel-tools 5.14.0-570.25.1.el9_6, kernel-modules 5.14.0-570.25.1.el9_6, kernel-64k-core 5.14.0-570.25.1.el9_6, +28 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10379
  • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) perf 4.18.0-193.159.1.el8_2, kernel 4.18.0-193.159.1.el8_2, bpftool 4.18.0-193.159.1.el8_2, kernel-core 4.18.0-193.159.1.el8_2, kernel-tools 4.18.0-193.159.1.el8_2, python3-perf 4.18.0-193.159.1.el8_2, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10761
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) perf 4.18.0-305.162.1.el8_4, kernel 4.18.0-305.162.1.el8_4, bpftool 4.18.0-305.162.1.el8_4, kernel-core 4.18.0-305.162.1.el8_4, kernel-tools 4.18.0-305.162.1.el8_4, python3-perf 4.18.0-305.162.1.el8_4, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10828
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) perf 4.18.0-372.151.1.el8_6, kernel 4.18.0-372.151.1.el8_6, bpftool 4.18.0-372.151.1.el8_6, kernel-core 4.18.0-372.151.1.el8_6, kernel-tools 4.18.0-372.151.1.el8_6, python3-perf 4.18.0-372.151.1.el8_6, +8 more Red Hat Enterprise Linux BaseOS E4S (v.8.6) perf 4.18.0-372.151.1.el8_6, kernel 4.18.0-372.151.1.el8_6, bpftool 4.18.0-372.151.1.el8_6, kernel-core 4.18.0-372.151.1.el8_6, kernel-tools 4.18.0-372.151.1.el8_6, python3-perf 4.18.0-372.151.1.el8_6, +20 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10673
  • Red Hat Enterprise Linux BaseOS E4S (v.8.8) perf 4.18.0-477.101.1.el8_8, kernel 4.18.0-477.101.1.el8_8, bpftool 4.18.0-477.101.1.el8_8, kernel-core 4.18.0-477.101.1.el8_8, kernel-tools 4.18.0-477.101.1.el8_8, python3-perf 4.18.0-477.101.1.el8_8, +14 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10834
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0) kernel 5.14.0-70.138.1.el9_0, bpftool 5.14.0-70.138.1.el9_0, kernel-core 5.14.0-70.138.1.el9_0, kernel-tools 5.14.0-70.138.1.el9_0, python3-perf 5.14.0-70.138.1.el9_0, kernel-modules 5.14.0-70.138.1.el9_0, +19 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10830
  • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool 7.0.0-284.124.1.el9_2, kernel 5.14.0-284.124.1.el9_2, kernel-64k 5.14.0-284.124.1.el9_2, kernel-core 5.14.0-284.124.1.el9_2, kernel-tools 5.14.0-284.124.1.el9_2, python3-perf 5.14.0-284.124.1.el9_2, +33 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10671
  • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool 7.3.0-427.76.1.el9_4, kernel 5.14.0-427.76.1.el9_4, kernel-64k 5.14.0-427.76.1.el9_4, kernel-core 5.14.0-427.76.1.el9_4, kernel-tools 5.14.0-427.76.1.el9_4, python3-perf 5.14.0-427.76.1.el9_4, +33 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10701
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) perf 4.18.0-305.162.1.el8_4, kernel 4.18.0-305.162.1.el8_4, bpftool 4.18.0-305.162.1.el8_4, kernel-core 4.18.0-305.162.1.el8_4, kernel-tools 4.18.0-305.162.1.el8_4, python3-perf 4.18.0-305.162.1.el8_4, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10828
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.8) perf 4.18.0-477.101.1.el8_8, kernel 4.18.0-477.101.1.el8_8, bpftool 4.18.0-477.101.1.el8_8, kernel-core 4.18.0-477.101.1.el8_8, kernel-tools 4.18.0-477.101.1.el8_8, python3-perf 4.18.0-477.101.1.el8_8, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10834
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6) perf 4.18.0-372.151.1.el8_6, kernel 4.18.0-372.151.1.el8_6, bpftool 4.18.0-372.151.1.el8_6, kernel-core 4.18.0-372.151.1.el8_6, kernel-tools 4.18.0-372.151.1.el8_6, python3-perf 4.18.0-372.151.1.el8_6, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10673
  • Red Hat Enterprise Linux BaseOS TUS (v.8.8) perf 4.18.0-477.101.1.el8_8, kernel 4.18.0-477.101.1.el8_8, bpftool 4.18.0-477.101.1.el8_8, kernel-core 4.18.0-477.101.1.el8_8, kernel-tools 4.18.0-477.101.1.el8_8, python3-perf 4.18.0-477.101.1.el8_8, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10834
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) libperf 5.14.0-570.25.1.el9_6, kernel-debuginfo-common-s390x 5.14.0-570.25.1.el9_6, kernel-debuginfo-common-x86_64 5.14.0-570.25.1.el9_6, kernel-debuginfo-common-aarch64 5.14.0-570.25.1.el9_6, kernel-debuginfo-common-ppc64le 5.14.0-570.25.1.el9_6
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10379
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.60.1.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.60.1.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.60.1.el8_10
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10669
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-kvm 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-core 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-modules 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-debug-kvm 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-debug-core 4.18.0-553.60.1.rt7.401.el8_10, +4 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10670
  • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-kvm 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-core 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-modules 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-debug-kvm 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-debug-core 5.14.0-70.138.1.rt21.210.el9_0, +4 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10829
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-570.25.1.el9_6, kernel-rt-64k 5.14.0-570.25.1.el9_6, kernel-rt-core 5.14.0-570.25.1.el9_6, kernel-rt-modules 5.14.0-570.25.1.el9_6, kernel-rt-64k-core 5.14.0-570.25.1.el9_6, kernel-rt-debug-core 5.14.0-570.25.1.el9_6, +14 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10379
  • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-core 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-modules 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-debug-core 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-debug-modules 5.14.0-70.138.1.rt21.210.el9_0, kernel-rt-modules-extra 5.14.0-70.138.1.rt21.210.el9_0, +2 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10829
  • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-core 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-modules 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-debug-core 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-modules-core 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-debug-modules 5.14.0-284.124.1.rt14.409.el9_2, +4 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10675
  • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt 5.14.0-427.76.1.el9_4, kernel-rt-core 5.14.0-427.76.1.el9_4, kernel-rt-modules 5.14.0-427.76.1.el9_4, kernel-rt-debug-core 5.14.0-427.76.1.el9_4, kernel-rt-modules-core 5.14.0-427.76.1.el9_4, kernel-rt-debug-modules 5.14.0-427.76.1.el9_4, +4 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10701
  • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-570.25.1.el9_6, kernel-rt-kvm 5.14.0-570.25.1.el9_6, kernel-rt-core 5.14.0-570.25.1.el9_6, kernel-rt-modules 5.14.0-570.25.1.el9_6, kernel-rt-debug-kvm 5.14.0-570.25.1.el9_6, kernel-rt-debug-core 5.14.0-570.25.1.el9_6, +6 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10379
  • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-kvm 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-core 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-modules 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-debug-kvm 5.14.0-284.124.1.rt14.409.el9_2, kernel-rt-debug-core 5.14.0-284.124.1.rt14.409.el9_2, +6 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10675
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt 5.14.0-427.76.1.el9_4, kernel-rt-kvm 5.14.0-427.76.1.el9_4, kernel-rt-core 5.14.0-427.76.1.el9_4, kernel-rt-modules 5.14.0-427.76.1.el9_4, kernel-rt-debug-kvm 5.14.0-427.76.1.el9_4, kernel-rt-debug-core 5.14.0-427.76.1.el9_4, +6 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10701
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-core 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-modules 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-debug-core 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-debug-modules 4.18.0-553.60.1.rt7.401.el8_10, kernel-rt-modules-extra 4.18.0-553.60.1.rt7.401.el8_10, +2 more
    fixed: vendor fix “To mitigate this issue, prevent module udf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:10670
  • Red Hat Enterprise Linux 10 kernel
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
13 mo ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Linux Linux

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.