SB20250226341 - Out-of-bounds read in Linux kernel block
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226341
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) Out-of-bounds read (CVE-ID: CVE-2022-49720)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the blk_mq_alloc_request_hctx() function in block/blk-mq.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/14dc7a18abbe4176f5626c13c333670da8e06aa1
- https://git.kernel.org/stable/c/7fa28a7c3d74933a4fc22d341b60927952f31c19
- https://git.kernel.org/stable/c/b202a0bd2580ee5b0453772c46d464152fafff73
- https://git.kernel.org/stable/c/b5e65ef044d627effdc2599040b6d204e003f955
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.49