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CVE-2026-43074
- CVSS 3.1
- 7.8 high
- EPSS
- <1%p40
- Published
- ·
- Modified
Description · NVD
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.
- Vendors
- linux
- Products
- linux kernel
- Weakness
- CWE-401, CWE-416
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In the news
3 storiesNew "Bad Epoll" Linux Kernel Flaw Lets Unprivileged Users Gain Root, Hits Android
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Linux Kernel ZcopyReaper Vulnerability Lets Local Attackers Gain Root Privileges
Linux kernel RDS zero-copy flaw CVE-2026-43502 (ZcopyReaper) lets unprivileged local users gain root; fix in 7.1-rc3, public PoC published.
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