Linux Kernel CVE-2026-23111 Enables Local Privilege Escalation via nftables
ID: 4535a997-fded-5898-878b-9a7f9157b377
STIX ID: report--4535a997-fded-5898-878b-9a7f9157b377
Feed Name: ThreatCluster
Threat Score
CVE-2026-23111 is a use-after-free vulnerability in the Linux kernel nftables subsystem that enables local privilege escalation to root on widely used distributions (Debian Bookworm/Trixie, Ubuntu 22.04/24.04); it was patched upstream on 2026-02-05 and a public proof-of-concept was released on 2026-06-09, so affected systems should apply the patch and monitor for signs of local exploitation.
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