Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package kernel-rt-64k-debug-devel-matched (opens in a new tab)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-KERNELRT64KDEBUGDEVELMATCHED-15574628
- published15 Mar 2026
- disclosed22 Feb 2022
Introduced: 22 Feb 2022
CVE-2022-25636 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-64k-debug-devel-matched package and not the kernel-rt-64k-debug-devel-matched package as distributed by RHEL.
net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.
References
- https://access.redhat.com/security/cve/CVE-2022-25636
- https://access.redhat.com/errata/RHSA-2022:1535
- https://access.redhat.com/errata/RHSA-2022:1550
- https://access.redhat.com/errata/RHSA-2022:1555
- http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html
- http://www.openwall.com/lists/oss-security/2022/02/22/1
- https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git/commit/?id=b1a5983f56e371046dcf164f90bfaf704d2b89f6
- https://github.com/Bonfee/CVE-2022-25636
- https://nickgregory.me/linux/security/2022/03/12/cve-2022-25636/
- https://security.netapp.com/advisory/ntap-20220325-0002/
- https://www.debian.org/security/2022/dsa-5095
- https://www.openwall.com/lists/oss-security/2022/02/21/2
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://github.com/veritas501/CVE-2022-25636-PipeVersion