#VU90237 Use-after-free in Linux kernel - CVE-2023-52530
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90237
Vulnerability risk: 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-2023-52530
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 ieee80211_key_link() function in net/mac80211/key.c, within the ieee80211_add_key() function in net/mac80211/cfg.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/2f4e16e39e4f5e78248dd9e51276a83203950b36
- https://git.kernel.org/stable/c/65c72a7201704574dace708cbc96a8f367b1491d
- https://git.kernel.org/stable/c/31db78a4923ef5e2008f2eed321811ca79e7f71b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.228
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.57
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6