SB20250619141 - Use-after-free in Linux kernel base driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619141
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-2022-50149)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the __driver_attach_async_helper() and __driver_attach() functions in drivers/base/dd.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/37f908038402c9b8325763f306a1c65d88757e15
- https://git.kernel.org/stable/c/70fe758352cafdee72a7b13bf9db065f9613ced8
- https://git.kernel.org/stable/c/733ab0c19bf17f6ad7c2b580ede006e369d5ab1b
- https://git.kernel.org/stable/c/779b634714c51d05baaeff4868ce2fd9fc7399bf
- https://git.kernel.org/stable/c/8191b6cd9ada09b675f17446d5872eb1f77685cb
- https://git.kernel.org/stable/c/a93f33aeef4e6a94ae9c9d3f5b2f9085ad0572ec
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.137