SB2025022713 - Buffer overflow in Linux kernel block
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022713
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) Buffer overflow (CVE-ID: CVE-2022-49266)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the blkcg_iolatency_done_bio() function in block/blk-iolatency.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/09737db4c891eba25e6f6383a7c38afd4acc883f
- https://git.kernel.org/stable/c/aa1b46dcdc7baaf5fec0be25782ef24b26aa209e
- https://git.kernel.org/stable/c/af9452dfdba4bf7359ef7645eee2d243a1df0649
- https://git.kernel.org/stable/c/dbd20bb904ad5731aaca8d009367a930d6ada111
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19