high7.8
CVE-2026-43074
In the Linux kernel, the following vulnerability has been resolved: eventpoll: defer struct eventpoll free to RCU grace period In certain situations, ep_free()…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 6.4.1 before 6.6.136 from 6.7 before 6.12.83 from 6.13 before 6.18.24 from 6.19 before 6.19.14 Versions 6.4, 7.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/07712db80857d5d09ae08f3df85a708ecfc3b61f
- https://git.kernel.org/stable/c/5b1173b165421561db29f30afc7e97d940a398a9
- https://git.kernel.org/stable/c/7e8083f5eeedab0f460063b9c2c14c9a4e71a427
- https://git.kernel.org/stable/c/902120be4f44947df6311002addc7faf69bdbff1
- https://git.kernel.org/stable/c/a6566cd33f6f967a7651ebf2ce0dd31572e319cf
- https://git.kernel.org/stable/c/a6d57084372161f86660bc4607784420e00efe2c
- https://git.kernel.org/stable/c/ae0bb9c1fb7c2594519aeeb096cf2c3b7837b322
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html