PT-2025-8356 · Linux+2 · Linux Kernel+2

Christophe Jaillet · Published 2022-05-16 · Updated 2025-04-15 · CVE-2022-49422

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 resource leak issue has been identified in the Linux kernel, specifically in the dmaengine: idxd component. The error handling path in the idxd cdev register() function was incomplete, leading to resource leaks when a call to alloc chrdev region() failed. This issue has been resolved by adding the necessary error handling path to prevent the leak.

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

Exploit

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2026-04031

CVE-2022-49422

OPENSUSE-SU-2025_1263-1

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1194-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1263-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1349

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49422.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2025:1263-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49422 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49422 · Security Note
• https://git.kernel.org/stable/c/c308a2e711a52a47f4b45e7add2b5200169e429a · Patch
• https://git.kernel.org/stable/c/5e88561eceb34ae3f88451c2b8e30fe403484189 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://git.kernel.org/stable/c/b3c7b5d08e9d5b2ff31c03078c00ecf11042419f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1194-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49422 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49422 · Vendor Advisory
• https://git.kernel.org/stable/c/6073af78156b8c3fc1198f8bcc190b7ac3ac0143 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory