#VU102035 Use-after-free in Linux kernel - CVE-2024-56672
Published: December 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU102035
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-2024-56672
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 blkcg_unpin_online() function in block/blk-cgroup.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/29d1e06560f0f6179062ac638b4064deb637d1ad
- https://git.kernel.org/stable/c/5baa28569c924d9a90d036c2aaab79f791fedaf8
- https://git.kernel.org/stable/c/64afc6fe24c9896c0153e5a199bcea241ecb0d5c
- https://git.kernel.org/stable/c/86e6ca55b83c575ab0f2e105cf08f98e58d3d7af
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.234
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.177
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.67