Nundina › Discover calendars › CISA Known Exploited Vulnerabilities calendar › CVE-2026-53266 - Linux KernelCVE-2026-53266 - Linux Kernel18 September 2026Linux 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. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on...CISA Known Exploited Vulnerabilities calendarMore from this calendar

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