CVE-2023-6932
Use-after-free in Linux kernel's ipv4: igmp component
HIGH 7.0EPSS 0.4%
A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation.A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.
- Affected
- Linux · Kernel
- CVSS v3.1 NVD
- 7.0 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 GOOGLE
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.37% chance of exploitation in the next 30 days, 29th percentile
- Published
- 2023-12-19
- Updated
- 2026-10-14
Exploit collections (1)
- linux/kernelctf/CVE-2023-6932_cosgoogle/security-research
Security advisories
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1…
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=e2b706c69190…
- https://kernel.dance/e2b706c691905fe78468c361aaabc719d0a496f1