CVE-2023-4515 — 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: 2025-08-16T14:15:27.780
• Last modified: 2026-08-04T10:18:26.290

09References

• git.kernel.org — https://git.kernel.org/stable/c/595679098bdcdbfbba91ebe07a2f7f208df93870
• git.kernel.org — https://git.kernel.org/stable/c/5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c
• git.kernel.org — https://git.kernel.org/stable/c/c6bef3bc30fd4a175aef846b7d928a6c40d091cd
• git.kernel.org — https://git.kernel.org/stable/c/ff7236b66d69582f90cf5616e63cfc3dc18142bb