CVE-2026-53266 — 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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

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: 2026-06-25T09:16:44.643
• Last modified: 2026-07-08T04:02:04.290

09References

• git.kernel.org — https://git.kernel.org/stable/c/153ea96c806aea395daba907a4f88480b6ad5093
• git.kernel.org — https://git.kernel.org/stable/c/67ba971ae02514d85818fe0c32549ab4bfa3bf49
• git.kernel.org — https://git.kernel.org/stable/c/76280b78cc9f23bdc6438e10ad6dff148ef8375b
• git.kernel.org — https://git.kernel.org/stable/c/afd64b59c3de9bbbdd3759e834fdc55cda716e0b
• git.kernel.org — https://git.kernel.org/stable/c/b18675263db1147c8e1cab625400c13a0d87bd2d
• git.kernel.org — https://git.kernel.org/stable/c/b7e91939ba9be805a62a257fa4e227dffbb88fa0
• git.kernel.org — https://git.kernel.org/stable/c/bf84ad7c7a9ede46e31afaa41a1ba06a159e8c87
• git.kernel.org — https://git.kernel.org/stable/c/c9b5ff59feffb92a147a84a5aa28acd2cb8ff4c5