SB20240531108 - Use-after-free in Linux kernel net wireguard driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531108
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-26951)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the wg_get_device_dump() function in drivers/net/wireguard/netlink.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/f52be46e3e6ecefc2539119784324f0cbc09620a
- https://git.kernel.org/stable/c/710a177f347282eea162aec8712beb1f42d5ad87
- https://git.kernel.org/stable/c/b7cea3a9af0853fdbb1b16633a458f991dde6aac
- https://git.kernel.org/stable/c/13d107794304306164481d31ce33f8fdb25a9c04
- https://git.kernel.org/stable/c/7bedfe4cfa38771840a355970e4437cd52d4046b
- https://git.kernel.org/stable/c/302b2dfc013baca3dea7ceda383930d9297d231d
- https://git.kernel.org/stable/c/55b6c738673871c9b0edae05d0c97995c1ff08c4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.154
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.3