PT-2025-25975 · Linux+4 · Linux Kernel+4

Published 2022-08-05 · Updated 2025-07-15 · CVE-2022-50049

Positive Technologies (AI Summary)

CVSS v2.0

6.0

Medium

Base vector

AV:L/AC:H/Au:S/C:C/I:C/A:C

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

Description A vulnerability in the Linux kernel has been resolved. The issue occurs when DPCM tries to add valid BE connections without checking if the picked BE supports the given stream direction, potentially resulting in a NULL dereference. This happens when an asymmetric BE stream is present. The patch adds a check for the presence of the substream for the target BE to avoid this problem.

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

Exploit

Improper Resource Release

NULL Pointer Dereference

Weakness Enumeration

CWE-404

CWE-476

Related Identifiers

BDU:2026-04879

CESA-2023_2951

CVE-2022-50049

RHSA-2023:2458

RHSA-2023:2951

RHSA-2023_2458

RHSA-2023_2951

SUSE-SU-2025:02264-1

SUSE-SU-2025:02321-1

SUSE-SU-2025:2264-1

SUSE-SU-2025_02264-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 580

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50049.json · Exploit
• https://git.kernel.org/stable/c/6a840e8ef6b6c56d1b7e6a555adc31135e517875 · Patch
• https://cve.org/CVERecord?id=CVE-2022-50049 · Security Note
• https://git.kernel.org/stable/c/754590651ccbbcc74a7c20907be4bb15d642bde3 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02321-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50049 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50049 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50049 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04879 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-50049 · Vendor Advisory
• https://git.kernel.org/stable/c/aa803e6ecac78e93b24ebefa17c207d6392d8ad4 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50049 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50049 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02264-1 · Vendor Advisory
• https://bugzilla.suse.com/1243627 · Note