CVE-2023-53515 — 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: 2025-10-01T12:15:55.583
• Last modified: 2026-04-06T13:04:25.810

09References

• git.kernel.org — https://git.kernel.org/stable/c/2dcb368fe5a8eee498ca75c93a18ce2f3b0d6a8e
• git.kernel.org — https://git.kernel.org/stable/c/3ff54d904fafabd0912796785e53cce4e69ca123
• git.kernel.org — https://git.kernel.org/stable/c/55c91fedd03d7b9cf0c5199b2eb12b9b8e95281a
• git.kernel.org — https://git.kernel.org/stable/c/5b7d5c2dd664eb8b9a06ecbc06e28d39359c422e
• git.kernel.org — https://git.kernel.org/stable/c/97a2d55ead76358245b446efd87818e919196d7a
• git.kernel.org — https://git.kernel.org/stable/c/af5818c35173e096085c6ae2e3aac605d3d15e41
• git.kernel.org — https://git.kernel.org/stable/c/b788ad3b2468512339c05f23692e36860264e674