#VU111479 Out-of-bounds read in Linux kernel - CVE-2022-50084

Cybersecurity Help s.r.o.

Published: 2025-06-19 | Updated: 2025-06-21

Vulnerability identifier: #VU111479

Vulnerability risk: Low

CVSSv4.0: 4.3 [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-2022-50084

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: 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 raid_status() function in drivers/md/dm-raid.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: 5.18, 5.18 rc1, 5.18 rc2, 5.18 rc3, 5.18 rc5, 5.18 rc6, 5.18 rc7, 5.18 rc8, 5.18.1, 5.18.2, 5.18.3, 5.18.4, 5.18.5, 5.18.6, 5.18.7, 5.18.8, 5.18.9, 5.18.10, 5.18.11, 5.18.12, 5.18.13, 5.18.14, 5.18.15, 5.18.16, 5.18.17

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability

openEuler 20.03 LTS SP4 update for kernel

Out-of-bounds read in Linux kernel md driver