CVE-2023-53986 — 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: 2025-12-24T11:15:51.490
• Last modified: 2026-08-04T10:19:24.707

09References

• git.kernel.org — https://git.kernel.org/stable/c/288c96aa5b5526cd4a946e84ef85e165857693b5
• git.kernel.org — https://git.kernel.org/stable/c/2cdbcff99f15db86a10672fb220379a1ae46ccae
• git.kernel.org — https://git.kernel.org/stable/c/47a449ec09b4479b89dcc6b27ec3829fc82ffafb
• git.kernel.org — https://git.kernel.org/stable/c/65b723644294f1d79770704162c0e8d1f700b6f1
• git.kernel.org — https://git.kernel.org/stable/c/ab327f8acdf8d06601fbf058859a539a9422afff
• git.kernel.org — https://git.kernel.org/stable/c/d65de5ee8b72868fbbbd39ca73017d0e526fa13a