SARA / Free Tools / CVE / CVE-2023-54220

CVE-2023-54220 — In the Linux kernel, the following vulnerability has been resolved:

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

CVSS

7.8 HIGH

EPSS

0.15% (top 95.80%)

CWE

—

Published

2025-12-30T13:16:10.300

Last modified

2026-10-15T22:17:55.603

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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/0c05493341d6f2097f75f0a5dbb7b53a9e8c5f6c
git.kernel.org — https://git.kernel.org/stable/c/18e27df4f2b4e257c317ba8076f31a888f6cc64b
git.kernel.org — https://git.kernel.org/stable/c/375806616f8c772c33d40e112530887b37c1a816
git.kernel.org — https://git.kernel.org/stable/c/66f3e55960698c874b0598277913b478ecd29573
git.kernel.org — https://git.kernel.org/stable/c/720a297b334e85d34099e83d1f375b92c3efedd6
git.kernel.org — https://git.kernel.org/stable/c/b653289ca6460a6552c8590b75dfa84a0140a46b
git.kernel.org — https://git.kernel.org/stable/c/bd70d0b28010d560a8be96b44fea86fe2ba016ae
git.kernel.org — https://git.kernel.org/stable/c/dfe2aeb226fd5e19b0ee795f4f6ed8bc494c1534

Want this in your SOAR or SIEM?
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