SB20250502190 - NULL pointer dereference in Linux kernel ata driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502190
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-2022-49826)
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_tport_add() function in drivers/ata/libata-transport.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/30e12e2be27ac6c4be2af4163c70db381364706f
- https://git.kernel.org/stable/c/377ff82c33c0cb74562a353361b64b33c09562cf
- https://git.kernel.org/stable/c/865a6da40ba092c18292ae5f6194756131293745
- https://git.kernel.org/stable/c/8c76310740807ade5ecdab5888f70ecb6d35732e
- https://git.kernel.org/stable/c/ac471468f7c16cda2525909946ca13ddbcd14000
- https://git.kernel.org/stable/c/bec9ded5404cb14e5f5470103d0973a2ff83d6a5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.225