SB2024073172 - Improper locking in Linux kernel spi mcp251xfd driver
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073172
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-2024-41088)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the mcp251xfd_tx_obj_from_skb(), mcp251xfd_tx_busy() and mcp251xfd_start_xmit() functions in drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c, within the mcp251xfd_open() and mcp251xfd_stop() functions in drivers/net/can/spi/mcp251xfd/mcp251xfd-core.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/f926c022ebaabf7963bebf89a97201d66978a025
- https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b
- https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729
- https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.97
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.37