SB20250226478 - Improper locking in Linux kernel pci driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226478
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-2022-49434)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the pci_reset_bus_function() and EXPORT_SYMBOL_GPL() functions in drivers/pci/pci.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/2cdd5284035322795b0964f899eefba254cfe483
- https://git.kernel.org/stable/c/59ea6b3ae51df7cd6bfd84c9c0030609b9315622
- https://git.kernel.org/stable/c/a91ee0e9fca9d7501286cfbced9b30a33e52740a
- https://git.kernel.org/stable/c/aed6d4d519210c28817948f34c53b6e058e0456c
- https://git.kernel.org/stable/c/c3c6dc1853b8bf3c718f96fd8480a6eb09ba4831
- https://git.kernel.org/stable/c/c9a81f9ed6ae3554621d6a50220b1bc74b67d81e
- https://git.kernel.org/stable/c/da9792920ab525b8a932aa9aeee34529ad7b83f7
- https://git.kernel.org/stable/c/ea047f51172aa68841adef7f52d375002438b8f0
- https://git.kernel.org/stable/c/eff3587b9c01439b738298475e555c028ac9f55e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121