#VU102033 Use-after-free in Linux kernel - CVE-2024-56658
Published: December 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU102033
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-2024-56658
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 LLIST_HEAD(), net_free() and cleanup_net() functions in net/core/net_namespace.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/0f6ede9fbc747e2553612271bce108f7517e7a45
- https://git.kernel.org/stable/c/3267b254dc0a04dfa362a2be24573cfa6d2d78f5
- https://git.kernel.org/stable/c/6610c7f8a8d47fd1123eed55ba8c11c2444d8842
- https://git.kernel.org/stable/c/b7a79e51297f7b82adb687086f5cb2da446f1e40
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.67