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kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report()

🗓️ 09 Dec 2025 12:20:30Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 19 Views

Fix buffer underwrite in linux kernel ip6mr_cache_report via skb_under_panic exploitable by payload.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-330)
8 Sep 202300:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2023-2268 (ALAS-2023-2268)
5 Oct 202300:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-039 (ALASKERNEL-5.10-2023-039)
6 Sep 202300:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-026 (ALASKERNEL-5.15-2023-026)
6 Sep 202300:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-054 (ALASKERNEL-5.4-2023-054)
6 Oct 202300:00
–nessus
nessus
Tenable Nessus		CentOS Linux 7.9 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-whitelists / etc Multiple Vulnerabilities (ciqsa-2026_0653)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8.6 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (ciqsa-2026_0011)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (ciqsa-2026_0635)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crxsa-2024_3138)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-64k / kernel-64k-core / etc Multiple Vulnerabilities (ciqsa-2026_0393)
1 Oct 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt3.10.0-1160.143.1.rt56.1295.el7kernel-rt-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug3.10.0-1160.143.1.rt56.1295.el7kernel-rt-debug-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo3.10.0-1160.143.1.rt56.1295.el7kernel-rt-debug-debuginfo-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel3.10.0-1160.143.1.rt56.1295.el7kernel-rt-debug-devel-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo3.10.0-1160.143.1.rt56.1295.el7kernel-rt-debuginfo-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_643.10.0-1160.143.1.rt56.1295.el7kernel-rt-debuginfo-common-x86_64-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel3.10.0-1160.143.1.rt56.1295.el7kernel-rt-devel-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-rt-doc3.10.0-1160.143.1.rt56.1295.el7kernel-rt-doc-3.10.0-1160.143.1.rt56.1295.el7.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace3.10.0-1160.143.1.rt56.1295.el7kernel-rt-trace-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace-debuginfo3.10.0-1160.143.1.rt56.1295.el7kernel-rt-trace-debuginfo-3.10.0-1160.143.1.rt56.1295.el7.x86_64.rpm
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06 Aug 2026 21:06Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.15.5
EPSS0.00194
SSVC
CWE-124
buffer underwritelinux kernelipv6 multicastsecurity vulnerabilitycrafted payload
19