Use-after-free in Linux kernel - CVE-2024-36979
Published: June 20, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92305
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-36979
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the br_mst_vlan_set_state() and br_mst_set_state() functions in net/bridge/br_mst.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/8ca9a750fc711911ef616ceb627d07357b04545e
- https://git.kernel.org/stable/c/4488617e5e995a09abe4d81add5fb165674edb59
- https://git.kernel.org/stable/c/a2b01e65d9ba8af2bb086d3b7288ca53a07249ac
- https://git.kernel.org/stable/c/e43dd2b1ec746e105b7db5f9ad6ef14685a615a4
- https://git.kernel.org/stable/c/3a7c1661ae1383364cd6092d851f5e5da64d476b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.12