SB2025040278 - Improper locking in Linux kernel mhi host driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040278
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2025-21951)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the mhi_pci_recovery_work() function in drivers/bus/mhi/host/pci_generic.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1f9eb7078bc6b5fb5cbfbcb37c4bc01685332b95
- https://git.kernel.org/stable/c/62505657475c245c9cd46e42ac01026d1e61f027
- https://git.kernel.org/stable/c/7746f3bb8917fccb4571a576f3837d80fc513054
- https://git.kernel.org/stable/c/7a5ffadd54fe2662f5c99cdccf30144d060376f7
- https://git.kernel.org/stable/c/985d3cf56d8745ca637deee273929e01df449f85
- https://git.kernel.org/stable/c/a321d163de3d8aa38a6449ab2becf4b1581aed96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.179
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.131
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.83