SARA / Free Tools / CVE / CVE-2023-53827

CVE-2023-53827 — In the Linux kernel, the following vulnerability has been resolved:

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

CVSS

8.8 HIGH

EPSS

0.39% (top 68.40%)

CWE

—

Published

2025-12-09T16:17:21.570

Last modified

2026-10-15T22:17:49.823

CVSS vector

CVSS:3.1/AV:A/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/1351551aa9058e07a20a27a158270cf84fcde621
git.kernel.org — https://git.kernel.org/stable/c/348d446762e7c70778df8bafbdf3fa0df2123f58
git.kernel.org — https://git.kernel.org/stable/c/a2a9339e1c9deb7e1e079e12e27a0265aea8421a
git.kernel.org — https://git.kernel.org/stable/c/ac6725a634f7e8c0330610a8527f20c730b61115
git.kernel.org — https://git.kernel.org/stable/c/c02421992505c95c7f3c9ad59ee35e22eac60988
git.kernel.org — https://git.kernel.org/stable/c/d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284
git.kernel.org — https://git.kernel.org/stable/c/d9ba36c22a7bb09d6bac4cc2f243eff05da53f43
git.kernel.org — https://git.kernel.org/stable/c/f2d38e77aa5f3effc143e7dd24da8acf02925958

Want this in your SOAR or SIEM?
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