Linux Kernel (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. Apply vendor mitigations. Check the NVD record and the vendor advisory for affected versions and the patch.

Product

Linux Kernel

Exploited in Australia?

unknown

Primary: NVD · Vendor: CISA KEV · CVE: CVE-2026-53266

vulnerabilities