CVE-2022-49422

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49422
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix the error handling path in idxd_cdev_register() If a call to alloc_chrdev_region() fails, the already allocated resources are leaking. Add the needed error handling path to fix the leak.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/5e88561eceb34ae3f88451c2b8e30fe403484189 Patch
https://git.kernel.org/stable/c/6073af78156b8c3fc1198f8bcc190b7ac3ac0143 Patch
https://git.kernel.org/stable/c/aab08c1aac01097815fbcf10fce7021d2396a31f Patch
https://git.kernel.org/stable/c/b3c7b5d08e9d5b2ff31c03078c00ecf11042419f Patch
https://git.kernel.org/stable/c/c308a2e711a52a47f4b45e7add2b5200169e429a Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

22 Oct 2025, 17:18

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: idxd: Se corrige la ruta de gestión de errores en idxd_cdev_register(). Si falla una llamada a alloc_chrdev_region(), se pierden los recursos ya asignados. Agregue la ruta de manejo de errores necesaria para corregir la pérdida.
CWE NVD-CWE-noinfo
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/5e88561eceb34ae3f88451c2b8e30fe403484189 - () https://git.kernel.org/stable/c/5e88561eceb34ae3f88451c2b8e30fe403484189 - Patch
References () https://git.kernel.org/stable/c/6073af78156b8c3fc1198f8bcc190b7ac3ac0143 - () https://git.kernel.org/stable/c/6073af78156b8c3fc1198f8bcc190b7ac3ac0143 - Patch
References () https://git.kernel.org/stable/c/aab08c1aac01097815fbcf10fce7021d2396a31f - () https://git.kernel.org/stable/c/aab08c1aac01097815fbcf10fce7021d2396a31f - Patch
References () https://git.kernel.org/stable/c/b3c7b5d08e9d5b2ff31c03078c00ecf11042419f - () https://git.kernel.org/stable/c/b3c7b5d08e9d5b2ff31c03078c00ecf11042419f - Patch
References () https://git.kernel.org/stable/c/c308a2e711a52a47f4b45e7add2b5200169e429a - () https://git.kernel.org/stable/c/c308a2e711a52a47f4b45e7add2b5200169e429a - Patch

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-10-22 17:18

NVD link : CVE-2022-49422

Mitre link : CVE-2022-49422

CVE.ORG link : CVE-2022-49422

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo