PT-2025-26148 · Linux+2 · Linux Kernel+2

Published 2022-07-19 · Updated 2025-07-28 · CVE-2022-50222

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A kernel infoleak has been reported at vcs read() due to a buffer that can be read immediately after a resize operation. The issue is resolved by initializing the buffer using kzalloc(). The vulnerability can be exploited through a sequence of system calls, including open(), ioctl(), and read(), involving devices such as /dev/fb0 and /dev/vcsu.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Initialization

Weakness Enumeration

CWE-665

Related Identifiers

BDU:2026-03106

CVE-2022-50222

OESA-2025-1726

SUSE-SU-2025:02264-1

SUSE-SU-2025:02308-1

SUSE-SU-2025:02320-1

SUSE-SU-2025:02321-1

SUSE-SU-2025:02322-1

SUSE-SU-2025:02537-1

SUSE-SU-2025:2264-1

SUSE-SU-2025_02264-1

SUSE-SU-2025_02308-1

SUSE-SU-2025_02537-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 623

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50222.json · Exploit
• https://git.kernel.org/stable/c/e02fa87e572bb7d90dcdbce9c0f519f1eb992e96 · Patch
• https://git.kernel.org/stable/c/446f123aa6021e5f75a20789f05ff3f7ae51a42f · Patch
• https://git.kernel.org/stable/c/af77c56aa35325daa2bc2bed5c2ebf169be61b86 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50222 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02308-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49917 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50222 · Security Note
• https://git.kernel.org/stable/c/e0ef23e9b0ad18b9fd3741b0f1ad2282e4a18def · Patch
• https://ubuntu.com/security/CVE-2022-50222 · Vendor Advisory
• https://git.kernel.org/stable/c/777a462e1ae50a01fc4a871efa8e34d596a1e17d · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02537-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53066 · Security Note
• https://osv.dev/vulnerability/CVE-2022-50222 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50080 · Security Note