CVE-2023-53445 — 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: 2025-09-18T16:15:48.817
• Last modified: 2026-08-04T10:19:06.947

09References

• git.kernel.org — https://git.kernel.org/stable/c/44d807320000db0d0013372ad39b53e12d52f758
• git.kernel.org — https://git.kernel.org/stable/c/48a07f6e00d305597396da4d7494b81cec05b9d3
• git.kernel.org — https://git.kernel.org/stable/c/98a9cd82c541ef6cbdb829cd6c05cbbb471e373c
• git.kernel.org — https://git.kernel.org/stable/c/aa95efa187b4114075f312b3c4680d050b56fdec
• git.kernel.org — https://git.kernel.org/stable/c/b9ba5906c42089f8e1d0001b7b50a7940f086cbb