CVE-2023-53431 — 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: 2025-09-18T16:15:47.070
• Last modified: 2026-08-04T10:19:06.280

09References

• git.kernel.org — https://git.kernel.org/stable/c/05143d90ac90b7abc6692285895a1ef460e008ee
• git.kernel.org — https://git.kernel.org/stable/c/110d425cdfb15006f3c4fde5264e786a247b6b36
• git.kernel.org — https://git.kernel.org/stable/c/176d7345b89ced72020a313bfa4e7f345d1c3aed
• git.kernel.org — https://git.kernel.org/stable/c/4e7c498c3713b09bef20c76c7319555637e8bbd5
• git.kernel.org — https://git.kernel.org/stable/c/c8e22b7a1694bb8d025ea636816472739d859145
• git.kernel.org — https://git.kernel.org/stable/c/eabc4872f172ecb8dd8536bc366a51868154a450
• git.kernel.org — https://git.kernel.org/stable/c/f8e702c54413eee2d8f94f61d18adadac7c87e87