CVE-2026-72137 (CVSS 9.8): Linux Kernel Flaw Enables Root Privilege Escalation, PoC Public
ID: be359a75-4f5d-5f64-93dd-56566d79bc08
STIX ID: report--be359a75-4f5d-5f64-93dd-56566d79bc08
Feed Name: securityonline.info
Threat Score
A critical Linux kernel double-free (CVE-2026-72137) in the xfrm nat_keepalive send path can lead to memory corruption and local root escalation; NebuSec published PoC exploit code and a demonstration video, and maintainers have released upstream fixes—apply patched kernels and reboot immediately, though no confirmed active exploitation has been reported.
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