high Known exploited

CVE-2026-53266

Linux Kernel Out-of-Bounds Write Vulnerability

Linux Kernel contains an out-of-bounds write vulnerability in the ebtables SNAT target which allows an ARP sender hardware address rewrite to write directly into a nonlinear socket-buffer fragment backed by a splice-imported file page. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.

Published: Sep 18, 2026
Vendor: Linux
Product: Kernel
CISA due date: 2026-09-21
Source: merged

References

ADVISORY

Check your website: Korisec scans for exposed services, weak TLS, missing headers, and WordPress plugin risks. Run a free scan or start a trial.

← Back to CVE Tracker · Official record: cve.org