CVE-2023-53989 — 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: 2025-12-24T11:15:51.803
• Last modified: 2026-06-01T17:16:25.870

09References

• git.kernel.org — https://git.kernel.org/stable/c/32020fc2a8373d3de35ae6d029d5969a42651e7a
• git.kernel.org — https://git.kernel.org/stable/c/621619f626cbe702ddbdc54117f3868b8ebd8129
• git.kernel.org — https://git.kernel.org/stable/c/9d8d3df71516ec3236d8d93ff029d251377ba4b1
• git.kernel.org — https://git.kernel.org/stable/c/ab9b4008092c86dc12497af155a0901cc1156999
• git.kernel.org — https://git.kernel.org/stable/c/b03c7fcc5ed854d0e1b27e9abf12428bfa751a37
• git.kernel.org — https://git.kernel.org/stable/c/c7a9e967cc9615a1dabc5e0e6fdbe88a172d5a5b