SARA / Free Tools / CVE / CVE-2023-54257

CVE-2023-54257 — In the Linux kernel, the following vulnerability has been resolved:

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

CVSS

9.8 CRITICAL

EPSS

0.18% (top 91.80%)

CWE

—

Published

2025-12-30T13:16:14.443

Last modified

2026-08-04T11:16:38.463

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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/1bec9da233f779e7b6954ee07ad7e6d8f2a4dd83
git.kernel.org — https://git.kernel.org/stable/c/5dcf3a6843d0d7cc76960fbe8511d425f217744c
git.kernel.org — https://git.kernel.org/stable/c/7169d1638824c4bf7e0fe0baad381ddec861fa70
git.kernel.org — https://git.kernel.org/stable/c/7ccc58a1a75601c936069d4a0741940623990ade
git.kernel.org — https://git.kernel.org/stable/c/82e626af24683e01211abe66cec27a387f8f17c9
git.kernel.org — https://git.kernel.org/stable/c/9412a9bf5952cdf5d0f736cc1e8c68fd366c2d47
git.kernel.org — https://git.kernel.org/stable/c/dd7a49a3eaf723a01b2fdf153f98450a82b0b0fe
git.kernel.org — https://git.kernel.org/stable/c/e8b74453555872851bdd7ea43a7c0ec39659834f

Want this in your SOAR or SIEM?
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