SB2024102176 - Use-after-free in Linux kernel video fbdev driver
Published: October 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102176
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-2024-49925)
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.
References
- 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