CVE-2023-52991 — In the Linux kernel, the following vulnerability has been resolved:

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

01What is this vulnerability?

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

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• 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.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-03-27T17:15:46.540
• Last modified: 2026-08-04T10:18:51.280

09References

• git.kernel.org — https://git.kernel.org/stable/c/046de74f9af92ae9ffce75fa22a1795223f4fb54
• git.kernel.org — https://git.kernel.org/stable/c/6446369fb9f083ce032448c5047da08e298b22e6
• git.kernel.org — https://git.kernel.org/stable/c/876e8ca8366735a604bac86ff7e2732fc9d85d2d
• git.kernel.org — https://git.kernel.org/stable/c/888dad6f3e85e3b2f8389bd6478f181efc72534d