CISA Adds Actively Exploited Linux Root Access Bug CVE-2026-31431 to KEV
Laurent H. — CEO & Founder CYBERR & HEELR
CISA Adds Actively Exploited Linux Root Access Bug CVE-2026-31431 to KEV
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a recently disclosed security flaw impacting various Linux distributions to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in the wild.
The vulnerability, tracked as CVE-2026-31431 (CVSS score: 7.8), is a case of local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root. The nine-year-old flaw is also tracked as Copy Fail by Theori and Xint. Fixes have been made available in Linux kernel versions 6.18.22, 6.19.12, and 7.0.
"Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation," CISA said in an advisory.
https://thehackernews.com/2026/05/cisa-adds-actively-exploited-linux-root.html
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