Copy Fail (CVE-2026-31431): Linux Kernel LPE Actively Exploited
CISA has added the CVE-2026-31431 (Copy Fail) vulnerability in the Linux kernel to its CISA KEV Known Exploited Vulnerabilities catalog, confirming its active exploitation: the flaw, rated CVSS 7.8, allows any unprivileged local user to gain root privileges by corrupting cached in-memory executable files, including setuid binaries, which makes it critical to immediately update Linux … Read more