CVE-2024-50235 | BDVDB-2026-254253 Detail
LinuxLinux
Description#
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: clear wdev->cqm_config pointer on free When we free wdev->cqm_config when unregistering, we also need to clear out the pointer since the same wdev/netdev may get re-registered in another network namespace, then destroyed later, running this code again, which results in a double-free.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-415 Double Free
References#
- https://git.kernel.org/stable/c/ba392e1355ba74b1d4fa11b85f71ab6ed7ecc058
- https://git.kernel.org/stable/c/6c44abb2d4c3262737d5d67832daebc8cf48b8c9
- https://git.kernel.org/stable/c/64e4c45d23cd7f6167f69cc2d2877bc7f54292e5
- https://git.kernel.org/stable/c/d5fee261dfd9e17b08b1df8471ac5d5736070917
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.