CVE-2026-43074
HIGH 7.8EPSS 0.5%
In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, ep_free() in eventpoll.c will kfree the epi->ep eventpoll struct while it still being used by another concurrent thread. Defer the kfree() to an RCU callback to prevent UAF.
- CVSS v3.1
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.48% chance of exploitation in the next 30 days, 40th percentile
- Published
- 2026-05-06
- Updated
- 2026-08-05
Proof-of-concept exploits (2)
- PeronGH/badepoll-selinux-disabler8★ · 2026-07-18
- d1667018881/myroot