SARA / Free Tools / CVE / CVE-2023-3865

CVE-2023-3865 — 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

2.00% (top 95.60%)

CWE

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Published

2025-08-16T13:27:56.403Z

Last modified

2025-08-19T05:47:12.083Z

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, 5.15.121, 6.1.36, 6.3.10, 6.4

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/3813eee5154d6a4c5875cb4444cb2b63bac8947f
git.kernel.org — https://git.kernel.org/stable/c/c86211159bc3178b891e0d60e586a32c7b6a231b
git.kernel.org — https://git.kernel.org/stable/c/58a9c41064df27632e780c5a3ae3e0e4284957d1
git.kernel.org — https://git.kernel.org/stable/c/5fe7f7b78290638806211046a99f031ff26164e1

Want this in your SOAR or SIEM?
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