SB2025062002 - Use-after-free in Linux kernel android driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025062002
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-2022-49939)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the binder_inc_ref_for_node() function in drivers/android/binder.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/06e5b43ca4dab06a92bf4c2f33766e6fb11b880a
- https://git.kernel.org/stable/c/229f47603dd306bc0eb1a831439adb8e48bb0eae
- https://git.kernel.org/stable/c/30d0901b307f27d36b2655fb3048cf31ee0e89c0
- https://git.kernel.org/stable/c/603a47f2ae56bf68288784d3c0a8c5b8e0a827ed
- https://git.kernel.org/stable/c/9629f2dfdb1dad294b468038ff8e161e94d0b609
- https://git.kernel.org/stable/c/a0e44c64b6061dda7e00b7c458e4523e2331b739
- https://git.kernel.org/stable/c/c2a4b5dc8fa71af73bab704d0cac42ac39767ed6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.66