SB20250226340 - Out-of-bounds read in Linux kernel md driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226340
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-2022-49674)
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 validate_region_size(), validate_raid_redundancy(), __rdev_sectors() and raid_iterate_devices() functions in drivers/md/dm-raid.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/332bd0778775d0cf105c4b9e03e460b590749916
- https://git.kernel.org/stable/c/5e161a8826b63c0b8b43e4a7fad1f956780f42ab
- https://git.kernel.org/stable/c/6352b2f4d8e95ec0ae576d7705435d64cfa29503
- https://git.kernel.org/stable/c/90de15357504c8097ab29769dc6852e16281e9e8
- https://git.kernel.org/stable/c/9bf2b0757b04c78dc5d6e3a198acca98457b32a1
- https://git.kernel.org/stable/c/bcff98500ea3b4e7615ec31d2bdd326bc1ef5134
- https://git.kernel.org/stable/c/df1a5ab0dd0775f2ea101c71f2addbc4c0ea0f85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.251