CVE-2023-54203 — 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: 2025-12-30T13:16:08.420
• Last modified: 2026-08-04T11:16:36.580

09References

• git.kernel.org — https://git.kernel.org/stable/c/921536046bd165efeb07beef5630aff35cd6a489
• git.kernel.org — https://git.kernel.org/stable/c/99a51c673b1d2d0b5a972353401b77612d9cc713
• git.kernel.org — https://git.kernel.org/stable/c/a8334a0c535d0f0b4d64926c8fe0922ed98f7d43
• git.kernel.org — https://git.kernel.org/stable/c/dc8289f912387c3bcfbc5d2db29c8947fa207c11