SB20250226541 - Improper locking in Linux kernel can usb driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226541
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-2022-49151)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the mcba_usb_xmit(), mcba_usb_read_bulk_callback(), mcba_usb_start() and mcba_usb_probe() functions in drivers/net/can/usb/mcba_usb.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/136bed0bfd3bc9c95c88aafff2d22ecb3a919f23
- https://git.kernel.org/stable/c/5598442edc29e8f6f2380e4b471dc1a3fcd80508
- https://git.kernel.org/stable/c/88272b4a37913bdf6f339162a7920bd8e9b49de2
- https://git.kernel.org/stable/c/b48d1bb3f1ca337ad653022aefb5a40a47dfe5cd
- https://git.kernel.org/stable/c/cbd110b8dd7ad763bf413f71c0484116ae9302d4
- https://git.kernel.org/stable/c/ef0acc514123140157b19a9ff2e2de5d91d612bc
- https://git.kernel.org/stable/c/f2ec3cd0f34f8c3f94bc21fbba14868301c9c49d
- https://git.kernel.org/stable/c/fa9c1f14002dc0d5293e16a2007bd89b6e79207b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33