SARA / Free Tools / CVE / CVE-2023-54219

CVE-2023-54219 — In the Linux kernel, the following vulnerability has been resolved:

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

CVSS

7.5 HIGH

EPSS

0.20% (top 89.60%)

CWE

—

Published

2025-12-30T13:16:10.187

Last modified

2026-08-04T11:16:37.230

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

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

No structured affected-product list available — see references below for vendor advisories.

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.

Ask SARA in chat to draft a starting detection for this CVE 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/1bb42aca7a9611c1991a790834e2a65f3345c5e8
git.kernel.org — https://git.kernel.org/stable/c/3f39698e7e842abc9bd2bd97bf5eeda4543db758
git.kernel.org — https://git.kernel.org/stable/c/4082b59705ee9e3912eaa9e15abda8e76039b681
git.kernel.org — https://git.kernel.org/stable/c/77e90bd53019d4d4c9e25552b5efb06dfd8c3c82
git.kernel.org — https://git.kernel.org/stable/c/9b6296861a5a9d58aacd72c249a68b073c78bfb4
git.kernel.org — https://git.kernel.org/stable/c/a277b736309f923d9baff0ef166d694d348a5b96
git.kernel.org — https://git.kernel.org/stable/c/a3189341e2f609d48f730b18c8bbbf6783233477
git.kernel.org — https://git.kernel.org/stable/c/aa950b9835f2d004b071fd220459edd3cd0a3603
git.kernel.org — https://git.kernel.org/stable/c/dfe261107c080709459c32695847eec96238852b

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