SARA / Free Tools / CVE / CVE-2023-53519

CVE-2023-53519 — In the Linux kernel, the following vulnerability has been resolved:

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

CVSS

5.5 MEDIUM

EPSS

0.01% (top 98.50%)

CWE

—

Published

2025-10-01T12:15:56.173

Last modified

2026-04-06T13:04:59.200

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/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/1676748aa29099fc0abd71e0fb092e76e835f25c
git.kernel.org — https://git.kernel.org/stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694
git.kernel.org — https://git.kernel.org/stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2
git.kernel.org — https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50
git.kernel.org — https://git.kernel.org/stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680
git.kernel.org — https://git.kernel.org/stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9
git.kernel.org — https://git.kernel.org/stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd
git.kernel.org — https://git.kernel.org/stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b

Want this in your SOAR or SIEM?
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