#VU98871 Use-after-free in Linux kernel - CVE-2024-49925
Published: October 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98871
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-2024-49925
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 efifb_probe(), pm_runtime_put() and efifb_remove() functions in drivers/video/fbdev/efifb.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/36bfefb6baaa8e46de44f4fd919ce4347337620f
- https://git.kernel.org/stable/c/872cd2d029d2c970a8a1eea88b48dab2b3f2e93a
- https://git.kernel.org/stable/c/4684d69b9670a83992189f6271dc0fcdec4ed0d7
- https://git.kernel.org/stable/c/95cdd538e0e5677efbdf8aade04ec098ab98f457
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55