SB20250226435 - NULL pointer dereference in Linux kernel ata driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226435
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) NULL pointer dereference (CVE-ID: CVE-2022-49731)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ata_host_alloc_pinfo() function in drivers/ata/libata-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/07cbdb4807d369fbda73062a91b570c4dc5ec429
- https://git.kernel.org/stable/c/1ac5efee33f29e704226506d429b84575a5d66f8
- https://git.kernel.org/stable/c/253334f84c81bc6a43af489f108c0bddad989eef
- https://git.kernel.org/stable/c/36cd19e7d4e5571d77a2ed20c5b6ef50cf57734a
- https://git.kernel.org/stable/c/a810bd5af06977a847d1f202b22d7defd5c62497
- https://git.kernel.org/stable/c/bf476fe22aa1851bab4728e0c49025a6a0bea307
- https://git.kernel.org/stable/c/ca4693e6e06e4fd2b240c0fec47aa2498c94848e
- https://git.kernel.org/stable/c/ff128fbea720bf763fa345680dda5f050bc24a47
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.49