CVE-2023-53257 — 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: 2025-09-15T15:15:53.090
• Last modified: 2026-08-04T10:19:00.047

09References

• git.kernel.org — https://git.kernel.org/stable/c/19e4a47ee74718a22e963e8a647c8c3bfe8bb05c
• git.kernel.org — https://git.kernel.org/stable/c/5e030a2509be72b452b6f4a800786d43229414db
• git.kernel.org — https://git.kernel.org/stable/c/7ae7a1378a119780c8c17a6b5fc03011c3bb7029
• git.kernel.org — https://git.kernel.org/stable/c/fedd9377dd9c71a950d432fbe1628eebfbed70a1