CVE-2026-63922 in the critical feed json
ipv6: exthdrs: refresh nh after handling HAO option
published 3mo ago modified 15d ago also EUVD-2026-45695
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: exthdrs: refresh nh after handling HAO option
ip6_parse_tlv() caches skb_network_header(skb) in nh while walking IPv6 TLVs.
ipv6_dest_hao() may call pskb_expand_head() for a cloned skb, which can move the skb head and invalidate the cached network header pointer. Refresh nh after ipv6_dest_hao() returns so any trailing padding or TLVs are parsed from the current skb head.
This matches the existing pattern used in ip6_parse_tlv() after helpers that can modify skb header storage.
Patch / fix
- Linux Linux 5.10.259, 5.15.210, 6.1.176, 6.6.143, 6.12.93, 6.18.35, 7.0.12, 7.1
- linux Debian 12 6.1.176-1
- linux Debian 13 6.12.94-1
- linux Debian 14 7.0.12-1
debian advisories DEBIAN-CVE-2026-63922
- linux Ubuntu 22.04 LTS 5.15.0-194.204
- linux Ubuntu 24.04 LTS 6.8.0-142.142
- linux Ubuntu 26.04 LTS 7.0.0-28.28
- linux-aws Ubuntu 22.04 LTS 5.15.0-1116.123
- linux-aws Ubuntu 24.04 LTS 6.8.0-1065.68
- linux-aws Ubuntu 26.04 LTS 7.0.0-1009.9
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1117.127
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1069.77
ubuntu advisories UBUNTU-CVE-2026-63922
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
- kernel RHEL 9 5.14.0-687.55.1.el9_8
- rv RHEL 9 5.14.0-687.55.1.el9_8
- perf RHEL 9 5.14.0-687.55.1.el9_8
- rtla RHEL 9 5.14.0-687.55.1.el9_8
- libperf RHEL 9 5.14.0-687.55.1.el9_8
- kernel-rt RHEL 9 5.14.0-687.55.1.el9_8
- kernel-64k RHEL 9 5.14.0-687.55.1.el9_8
- kernel-core RHEL 9 5.14.0-687.55.1.el9_8
red hat advisories RHSA-2026:85000RHSA-2026:84793RHSA-2026:84677RHSA-2026:83796RHSA-2026:83707RHSA-2026:77219
- kernel-default SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Live Patching 15 SP6 +1 more 6.4.0-150600.23.130.1
- kernel-rt Linux Micro 6.2 6.12.0-160000.38.1
- kernel-64kb SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.38.1
- kernel-source SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.38.1
- kernel-default SLES 16.0, SLE High Availability Extension 16.0, Linux Micro 6.2 +1 more 6.12.0-160000.38.1
- kernel-default-base SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.38.1.160000.2.23
- kernel-syms SLES 16.0, Linux Micro Extras 6.2, SLES for SAP applications 16.0 6.12.0-160000.38.1
- kernel-azure SLES for SAP applications 16.0, SLES 16.0 6.12.0-160000.38.1
suse advisories SUSE-SU-2026:3602-1SUSE-SU-2026:23887-1SUSE-SU-2026:23902-1SUSE-SU-2026:23897-1SUSE-SU-2026:23881-1SUSE-SU-2026:3595-1
- kernel-rt openSUSE Leap 16.0 6.12.0-160000.38.1
- dtb-aarch64 openSUSE Leap 16.0 6.12.0-160000.38.1
- kernel-64kb openSUSE Leap 16.0 6.12.0-160000.38.1
- kernel-syms openSUSE Leap 16.0 6.12.0-160000.38.1
- kernel-azure openSUSE Leap 16.0 6.12.0-160000.38.1
- kernel-obs-qa openSUSE Leap 16.0 6.12.0-160000.38.1
- kernel-source openSUSE Leap 16.0 6.12.0-160000.38.1
- kernel-default openSUSE Leap 16.0 6.12.0-160000.38.1
opensuse advisories openSUSE-SU-2026:21910-1
- kernel AlmaLinux 8 4.18.0-553.181.1.el8_10
- perf AlmaLinux 8 4.18.0-553.181.1.el8_10
- bpftool AlmaLinux 8 4.18.0-553.181.1.el8_10
- kernel-core AlmaLinux 8 4.18.0-553.181.1.el8_10
- kernel-tools AlmaLinux 8 4.18.0-553.181.1.el8_10
- python3-perf AlmaLinux 8 4.18.0-553.181.1.el8_10
- kernel-modules AlmaLinux 8 4.18.0-553.181.1.el8_10
- kernel-zfcpdump AlmaLinux 8 4.18.0-553.181.1.el8_10
almalinux advisories ALSA-2026:93436ALSA-2026:93437ALSA-2026:76738
- git.kernel.org/stable/c/b3ac54e5c905f86d22b502eacb5686a282c5659f commit
- git.kernel.org/stable/c/f8aabed3ff3e986920cf02a2a2785e08e586b234 commit
- git.kernel.org/stable/c/1a11eb7431e3d2882f5bd5939c5a9bbc65ccf4d1 commit
- git.kernel.org/stable/c/12d957979e4a800167842f1b42be6a606d227ebe commit
- git.kernel.org/stable/c/ff375ed1cba81392346c5bfbf0bb7a13b2946f99 commit
- git.kernel.org/stable/c/751db1b802a067b7fff25880f4e9f9152a171538 commit
- git.kernel.org/stable/c/9b6dcc0a39fd71752937f0b6b3973e1416085dcf commit
- git.kernel.org/stable/c/f7b52afe3592eae66e160586b45a3f2242972c63 commit
Is CVE-2026-63922 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
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What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-63922 updated cvss 7.5
kernel: ipv6: exthdrs: refresh nh after handling HAO option
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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 moreaffected: workaround, no fix available
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Red Hat CodeReady Linux Builder EUS (v.9.6) libperf 5.14.0-570.147.1.el9_6, kernel-debuginfo-common-s390x 5.14.0-570.147.1.el9_6, kernel-debuginfo-common-x86_64 5.14.0-570.147.1.el9_6, kernel-debuginfo-common-aarch64 5.14.0-570.147.1.el9_6, kernel-debuginfo-common-ppc64le 5.14.0-570.147.1.el9_6fixed: vendor fix RHSA-2026:77219
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Red Hat Enterprise Linux kernel-modules-internal 6.12.0-211.63.1.el10_2fixed: vendor fix RHSA-2026:76738
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Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-687.55.1.el9_8, perf 5.14.0-687.55.1.el9_8, rtla 5.14.0-687.55.1.el9_8, python3-perf 5.14.0-687.55.1.el9_8, kernel-devel-matched 5.14.0-687.55.1.el9_8, kernel-64k-devel-matched 5.14.0-687.55.1.el9_8, +7 morefixed: vendor fix RHSA-2026:76739
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Red Hat Enterprise Linux AppStream (v. 10) rv 6.12.0-211.63.1.el10_2, perf 6.12.0-211.63.1.el10_2, rtla 6.12.0-211.63.1.el10_2, python3-perf 6.12.0-211.63.1.el10_2, kernel-devel-matched 6.12.0-211.63.1.el10_2, kernel-64k-devel-matched 6.12.0-211.63.1.el10_2, +7 morefixed: vendor fix RHSA-2026:76738
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Red Hat Enterprise Linux AppStream E4S (v.9.2) perf 5.14.0-284.200.1.el9_2, rtla 5.14.0-284.200.1.el9_2, kernel-devel-matched 5.14.0-284.200.1.el9_2, kernel-64k-devel-matched 5.14.0-284.200.1.el9_2, kernel-debug-devel-matched 5.14.0-284.200.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.200.1.el9_2, +5 morefixed: vendor fix RHSA-2026:92993
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Red Hat Enterprise Linux AppStream E4S (v.9.4) rv 5.14.0-427.154.1.el9_4, perf 5.14.0-427.154.1.el9_4, rtla 5.14.0-427.154.1.el9_4, kernel-devel-matched 5.14.0-427.154.1.el9_4, kernel-64k-devel-matched 5.14.0-427.154.1.el9_4, kernel-debug-devel-matched 5.14.0-427.154.1.el9_4, +6 morefixed: vendor fix RHSA-2026:77218
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Red Hat Enterprise Linux AppStream EUS (v. 10.0) rv 6.12.0-55.111.1.el10_0, perf 6.12.0-55.111.1.el10_0, rtla 6.12.0-55.111.1.el10_0, python3-perf 6.12.0-55.111.1.el10_0, kernel-devel-matched 6.12.0-55.111.1.el10_0, kernel-64k-devel-matched 6.12.0-55.111.1.el10_0, +7 morefixed: vendor fix RHSA-2026:83707
show 32 moreshow fewer
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Red Hat Enterprise Linux AppStream EUS (v.9.6) rv 5.14.0-570.147.1.el9_6, perf 5.14.0-570.147.1.el9_6, rtla 5.14.0-570.147.1.el9_6, python3-perf 5.14.0-570.147.1.el9_6, kernel-devel-matched 5.14.0-570.147.1.el9_6, kernel-64k-devel-matched 5.14.0-570.147.1.el9_6, +7 morefixed: vendor fix RHSA-2026:77219
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Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.181.1.el8_10, kernel 4.18.0-553.181.1.el8_10, bpftool 4.18.0-553.181.1.el8_10, kernel-core 4.18.0-553.181.1.el8_10, kernel-tools 4.18.0-553.181.1.el8_10, python3-perf 4.18.0-553.181.1.el8_10, +15 morefixed: vendor fix RHSA-2026:93436
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Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-687.55.1.el9_8, kernel-64k 5.14.0-687.55.1.el9_8, kernel-core 5.14.0-687.55.1.el9_8, kernel-tools 5.14.0-687.55.1.el9_8, kernel-modules 5.14.0-687.55.1.el9_8, kernel-64k-core 5.14.0-687.55.1.el9_8, +27 morefixed: vendor fix RHSA-2026:76739
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Red Hat Enterprise Linux BaseOS (v. 10) kernel 6.12.0-211.63.1.el10_2, kernel-64k 6.12.0-211.63.1.el10_2, kernel-core 6.12.0-211.63.1.el10_2, kernel-tools 6.12.0-211.63.1.el10_2, kernel-modules 6.12.0-211.63.1.el10_2, kernel-64k-core 6.12.0-211.63.1.el10_2, +28 morefixed: vendor fix RHSA-2026:76738
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Red Hat Enterprise Linux BaseOS AUS (v.8.4) perf 4.18.0-305.214.1.el8_4, kernel 4.18.0-305.214.1.el8_4, bpftool 4.18.0-305.214.1.el8_4, kernel-core 4.18.0-305.214.1.el8_4, kernel-tools 4.18.0-305.214.1.el8_4, python3-perf 4.18.0-305.214.1.el8_4, +8 morefixed: vendor fix RHSA-2026:84677
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Red Hat Enterprise Linux BaseOS AUS (v.8.6) perf 4.18.0-372.223.1.el8_6, kernel 4.18.0-372.223.1.el8_6, bpftool 4.18.0-372.223.1.el8_6, kernel-core 4.18.0-372.223.1.el8_6, kernel-tools 4.18.0-372.223.1.el8_6, python3-perf 4.18.0-372.223.1.el8_6, +8 morefixed: vendor fix RHSA-2026:85000
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Red Hat Enterprise Linux BaseOS E4S (v.8.8) perf 4.18.0-477.175.1.el8_8, kernel 4.18.0-477.175.1.el8_8, bpftool 4.18.0-477.175.1.el8_8, kernel-core 4.18.0-477.175.1.el8_8, kernel-tools 4.18.0-477.175.1.el8_8, python3-perf 4.18.0-477.175.1.el8_8, +9 morefixed: vendor fix RHSA-2026:84793
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Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool 7.0.0-284.200.1.el9_2, kernel 5.14.0-284.200.1.el9_2, kernel-64k 5.14.0-284.200.1.el9_2, kernel-core 5.14.0-284.200.1.el9_2, kernel-tools 5.14.0-284.200.1.el9_2, python3-perf 5.14.0-284.200.1.el9_2, +28 morefixed: vendor fix RHSA-2026:92993
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Red Hat Enterprise Linux BaseOS E4S (v.9.4) bpftool 7.3.0-427.154.1.el9_4, kernel 5.14.0-427.154.1.el9_4, kernel-64k 5.14.0-427.154.1.el9_4, kernel-core 5.14.0-427.154.1.el9_4, kernel-tools 5.14.0-427.154.1.el9_4, python3-perf 5.14.0-427.154.1.el9_4, +28 morefixed: vendor fix RHSA-2026:77218
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Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel 6.12.0-55.111.1.el10_0, kernel-64k 6.12.0-55.111.1.el10_0, kernel-core 6.12.0-55.111.1.el10_0, kernel-tools 6.12.0-55.111.1.el10_0, kernel-modules 6.12.0-55.111.1.el10_0, kernel-64k-core 6.12.0-55.111.1.el10_0, +27 morefixed: vendor fix RHSA-2026:83707
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Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel 5.14.0-570.147.1.el9_6, kernel-64k 5.14.0-570.147.1.el9_6, kernel-core 5.14.0-570.147.1.el9_6, kernel-tools 5.14.0-570.147.1.el9_6, kernel-modules 5.14.0-570.147.1.el9_6, kernel-64k-core 5.14.0-570.147.1.el9_6, +27 morefixed: vendor fix RHSA-2026:77219
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Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) perf 4.18.0-305.214.1.el8_4, kernel 4.18.0-305.214.1.el8_4, bpftool 4.18.0-305.214.1.el8_4, kernel-core 4.18.0-305.214.1.el8_4, kernel-tools 4.18.0-305.214.1.el8_4, python3-perf 4.18.0-305.214.1.el8_4, +8 morefixed: vendor fix RHSA-2026:84677
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Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) perf 4.18.0-372.223.1.el8_6, kernel 4.18.0-372.223.1.el8_6, bpftool 4.18.0-372.223.1.el8_6, kernel-core 4.18.0-372.223.1.el8_6, kernel-tools 4.18.0-372.223.1.el8_6, python3-perf 4.18.0-372.223.1.el8_6, +8 morefixed: vendor fix RHSA-2026:85000
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Red Hat Enterprise Linux BaseOS TUS (v.8.8) perf 4.18.0-477.175.1.el8_8, kernel 4.18.0-477.175.1.el8_8, bpftool 4.18.0-477.175.1.el8_8, kernel-core 4.18.0-477.175.1.el8_8, kernel-tools 4.18.0-477.175.1.el8_8, python3-perf 4.18.0-477.175.1.el8_8, +8 morefixed: vendor fix RHSA-2026:84793
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Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) libperf 5.14.0-687.55.1.el9_8, kernel-debuginfo-common-s390x 5.14.0-687.55.1.el9_8, kernel-debuginfo-common-x86_64 5.14.0-687.55.1.el9_8, kernel-debuginfo-common-aarch64 5.14.0-687.55.1.el9_8, kernel-debuginfo-common-ppc64le 5.14.0-687.55.1.el9_8fixed: vendor fix RHSA-2026:76739
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Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libperf 6.12.0-211.63.1.el10_2, kernel-debuginfo-common-s390x 6.12.0-211.63.1.el10_2, kernel-debuginfo-common-x86_64 6.12.0-211.63.1.el10_2, kernel-debuginfo-common-aarch64 6.12.0-211.63.1.el10_2, kernel-debuginfo-common-ppc64le 6.12.0-211.63.1.el10_2fixed: vendor fix RHSA-2026:76738
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Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) libperf 6.12.0-55.111.1.el10_0, kernel-debuginfo-common-s390x 6.12.0-55.111.1.el10_0, kernel-debuginfo-common-x86_64 6.12.0-55.111.1.el10_0, kernel-debuginfo-common-aarch64 6.12.0-55.111.1.el10_0, kernel-debuginfo-common-ppc64le 6.12.0-55.111.1.el10_0fixed: vendor fix RHSA-2026:83707
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Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.181.1.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.181.1.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.181.1.el8_10fixed: vendor fix RHSA-2026:93436
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Red Hat Enterprise Linux for Real Time (v. 7 ELS) kernel-rt 3.10.0-1160.169.1.rt56.1321.el7, kernel-rt-trace 3.10.0-1160.169.1.rt56.1321.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.169.1.rt56.1321.el7fixed: vendor fix RHSA-2026:95721
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Red Hat Enterprise Linux Hidden (v. 10) kernel-modules-internal 6.12.0-211.63.1.el10_2, kernel-debuginfo-common-x86_64 6.12.0-211.63.1.el10_2fixed: vendor fix RHSA-2026:76738
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Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.181.1.rt7.522.el8_10, kernel-rt-kvm 4.18.0-553.181.1.rt7.522.el8_10, kernel-rt-core 4.18.0-553.181.1.rt7.522.el8_10, kernel-rt-modules 4.18.0-553.181.1.rt7.522.el8_10, kernel-rt-debug-kvm 4.18.0-553.181.1.rt7.522.el8_10, kernel-rt-debug-core 4.18.0-553.181.1.rt7.522.el8_10, +4 morefixed: vendor fix RHSA-2026:93437
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Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-687.55.1.el9_8, kernel-rt-64k 5.14.0-687.55.1.el9_8, kernel-rt-core 5.14.0-687.55.1.el9_8, kernel-rt-modules 5.14.0-687.55.1.el9_8, kernel-rt-64k-core 5.14.0-687.55.1.el9_8, kernel-rt-debug-core 5.14.0-687.55.1.el9_8, +14 morefixed: vendor fix RHSA-2026:76739
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Red Hat Enterprise Linux Real Time (v. 10) kernel-rt 6.12.0-211.63.1.el10_2, kernel-rt-64k 6.12.0-211.63.1.el10_2, kernel-rt-core 6.12.0-211.63.1.el10_2, kernel-rt-modules 6.12.0-211.63.1.el10_2, kernel-rt-64k-core 6.12.0-211.63.1.el10_2, kernel-rt-debug-core 6.12.0-211.63.1.el10_2, +14 morefixed: vendor fix RHSA-2026:76738
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Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-core 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-modules 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-debug-core 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-modules-core 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-debug-modules 5.14.0-284.200.1.rt14.485.el9_2, +4 morefixed: vendor fix RHSA-2026:93047
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Red Hat Enterprise Linux Real Time E4S (v.9.4) kernel-rt 5.14.0-427.154.1.el9_4, kernel-rt-core 5.14.0-427.154.1.el9_4, kernel-rt-modules 5.14.0-427.154.1.el9_4, kernel-rt-debug-core 5.14.0-427.154.1.el9_4, kernel-rt-modules-core 5.14.0-427.154.1.el9_4, kernel-rt-debug-modules 5.14.0-427.154.1.el9_4, +4 morefixed: vendor fix RHSA-2026:77218
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Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt 6.12.0-55.111.1.el10_0, kernel-rt-64k 6.12.0-55.111.1.el10_0, kernel-rt-core 6.12.0-55.111.1.el10_0, kernel-rt-modules 6.12.0-55.111.1.el10_0, kernel-rt-64k-core 6.12.0-55.111.1.el10_0, kernel-rt-debug-core 6.12.0-55.111.1.el10_0, +14 morefixed: vendor fix RHSA-2026:83707
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Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt 5.14.0-570.147.1.el9_6, kernel-rt-64k 5.14.0-570.147.1.el9_6, kernel-rt-core 5.14.0-570.147.1.el9_6, kernel-rt-modules 5.14.0-570.147.1.el9_6, kernel-rt-64k-core 5.14.0-570.147.1.el9_6, kernel-rt-debug-core 5.14.0-570.147.1.el9_6, +14 morefixed: vendor fix RHSA-2026:77219
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Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-687.55.1.el9_8, kernel-rt-core 5.14.0-687.55.1.el9_8, kernel-rt-modules 5.14.0-687.55.1.el9_8, kernel-rt-debug-core 5.14.0-687.55.1.el9_8, kernel-rt-modules-core 5.14.0-687.55.1.el9_8, kernel-rt-debug-modules 5.14.0-687.55.1.el9_8, +4 morefixed: vendor fix RHSA-2026:76739
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Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt 6.12.0-211.63.1.el10_2, kernel-rt-core 6.12.0-211.63.1.el10_2, kernel-rt-modules 6.12.0-211.63.1.el10_2, kernel-rt-debug-core 6.12.0-211.63.1.el10_2, kernel-rt-modules-core 6.12.0-211.63.1.el10_2, kernel-rt-debug-modules 6.12.0-211.63.1.el10_2, +4 morefixed: vendor fix RHSA-2026:76738
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Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-kvm 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-core 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-modules 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-debug-kvm 5.14.0-284.200.1.rt14.485.el9_2, kernel-rt-debug-core 5.14.0-284.200.1.rt14.485.el9_2, +6 morefixed: vendor fix RHSA-2026:93047
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Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) kernel-rt 5.14.0-427.154.1.el9_4, kernel-rt-kvm 5.14.0-427.154.1.el9_4, kernel-rt-core 5.14.0-427.154.1.el9_4, kernel-rt-modules 5.14.0-427.154.1.el9_4, kernel-rt-debug-kvm 5.14.0-427.154.1.el9_4, kernel-rt-debug-core 5.14.0-427.154.1.el9_4, +6 morefixed: vendor fix RHSA-2026:77218
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Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt 6.12.0-55.111.1.el10_0, kernel-rt-kvm 6.12.0-55.111.1.el10_0, kernel-rt-core 6.12.0-55.111.1.el10_0, kernel-rt-modules 6.12.0-55.111.1.el10_0, kernel-rt-debug-kvm 6.12.0-55.111.1.el10_0, kernel-rt-debug-core 6.12.0-55.111.1.el10_0, +6 morefixed: vendor fix RHSA-2026:83707
6 more fixed in the full advisory
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
- yes
- Technical impact
- total
- Assessed
- 26d ago
Exploit prediction
0.71% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Linux Linux
Classification
- Weakness
-
- CWE-416 Use After Free
- Technology feeds
References
-
git.kernel.org
/stable/c/b3ac54e5c905f86d22b502eacb5686a282c5659f
patch
-
git.kernel.org
/stable/c/f8aabed3ff3e986920cf02a2a2785e08e586b234
patch
-
git.kernel.org
/stable/c/1a11eb7431e3d2882f5bd5939c5a9bbc65ccf4d1
patch
-
git.kernel.org
/stable/c/12d957979e4a800167842f1b42be6a606d227ebe
patch
-
git.kernel.org
/stable/c/ff375ed1cba81392346c5bfbf0bb7a13b2946f99
patch
-
git.kernel.org
/stable/c/751db1b802a067b7fff25880f4e9f9152a171538
patch
-
git.kernel.org
/stable/c/9b6dcc0a39fd71752937f0b6b3973e1416085dcf
patch
-
git.kernel.org
/stable/c/f7b52afe3592eae66e160586b45a3f2242972c63
patch
Sources
- CVE List CVE-2026-63922
- NVD CVE-2026-63922
Fencer Intel 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.