SARA / Free Tools / CVE / CVE-2023-3867

CVE-2023-3867 — In the Linux kernel, the following vulnerability has been resolved:

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

CVSS

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EPSS

10.00% (top 72.10%)

CWE

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Published

2025-08-16T13:29:51.946Z

Last modified

2025-08-19T05:47:14.506Z

CVSS vector

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01What is this vulnerability?

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

Vendor	Product	Versions
Linux	Linux	0626e6641f6b467447c81dd7678a69c66f7746cf, 0626e6641f6b467447c81dd7678a69c66f7746cf, 0626e6641f6b467447c81dd7678a69c66f7746cf, 0626e6641f6b467447c81dd7678a69c66f7746cf
Linux	Linux	5.15, 0, 5.15.145, 6.1.40, 6.4.5, 6.5

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

git.kernel.org — https://git.kernel.org/stable/c/676392184785ace61e939831e7ca44a03d438c3b
git.kernel.org — https://git.kernel.org/stable/c/ef572ffa8eb44111eed2925fbb2adca78bdcbf61
git.kernel.org — https://git.kernel.org/stable/c/2ba03cecb12ac7ac9e0170e251543c56832d9959
git.kernel.org — https://git.kernel.org/stable/c/98422bdd4cb3ca4d08844046f6507d7ec2c2b8d8

Want this in your SOAR or SIEM?
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