Linux Kernel Flaw Allows Local Attackers to Gain Root Privileges
ID: 3e588737-0820-540d-ae5b-88ee308c5be4
STIX ID: report--3e588737-0820-540d-ae5b-88ee308c5be4
Feed Name: GBHackers
Threat Score
A use-after-free vulnerability in the Linux kernel nftables verdict-map handling (CVE-2026-23111) allows local attackers to escalate to root by abusing a catchall reactivation bug; reliable exploits have been demonstrated against Debian and Ubuntu variants, patches were released on 2026-02-05, and administrators should update kernels and monitor for suspicious nftables or unprivileged namespace activity.
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