#VU104522 Out-of-bounds read in Linux kernel - CVE-2022-49674
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104522
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49674
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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