CVE-2023-53473 — 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: 2025-10-01T12:15:49.557
• Last modified: 2026-10-15T22:17:39.960

09References

• git.kernel.org — https://git.kernel.org/stable/c/4b3cb1d108bfc2aebb0d7c8a52261a53cf7f5786
• git.kernel.org — https://git.kernel.org/stable/c/70d579aefa652a06af97e013e3fbbabbe5a43553
• git.kernel.org — https://git.kernel.org/stable/c/b2531936118deb3f479c4fa1bcd787b74b8faa6a
• git.kernel.org — https://git.kernel.org/stable/c/c1fae027da61fe8e7eb99f7244297e81bc0f1e43
• git.kernel.org — https://git.kernel.org/stable/c/f68876aeef96ef8b708ab10b9cb47ce0a5adb424