SARA / Free Tools / CVE / CVE-2023-53800

CVE-2023-53800 — 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

0.14% (top 97.10%)

CWE

—

Published

2025-12-09T01:16:51.727

Last modified

2026-10-15T22:17:49.037

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/35f8d4064e54c18424db2997059d4c0b1d13d093
git.kernel.org — https://git.kernel.org/stable/c/3d6378f7056ac7350338f941001162a8f660853c
git.kernel.org — https://git.kernel.org/stable/c/53818746e549e61841428892a8d94344494be797
git.kernel.org — https://git.kernel.org/stable/c/9af31d6ec1a4be4caab2550096c6bd2ba8fba472
git.kernel.org — https://git.kernel.org/stable/c/9c8be1f165baee53b5a36ea0b3c9281d403a1d0b
git.kernel.org — https://git.kernel.org/stable/c/b0c951742348d216f094d16ed4f70ae73db881c0
git.kernel.org — https://git.kernel.org/stable/c/bf795ebbb9995e2fe7945de71177f01c2f1215dc
git.kernel.org — https://git.kernel.org/stable/c/bf9875aa7f7d624a8c084425b14bf7e5907ebc30

Want this in your SOAR or SIEM?
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