CVE-2022-49422

MediumCVSS 5.5/10Last modified Nov 5, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 42d279f9137ab7d5503836baec2739284b278d8f, < 6073af78156b8c3fc1198f8bcc190b7ac3ac0143; >= 42d279f9137ab7d5503836baec2739284b278d8f, < b3c7b5d08e9d5b2ff31c03078c00ecf11042419f; >= 42d279f9137ab7d5503836baec2739284b278d8f, < 5e88561eceb34ae3f88451c2b8e30fe403484189; >= 42d279f9137ab7d5503836baec2739284b278d8f, < c308a2e711a52a47f4b45e7add2b5200169e429a; >= 42d279f9137ab7d5503836baec2739284b278d8f, < aab08c1aac01097815fbcf10fce7021d2396a31f
LinuxLinux5.6

References

Timeline

Published
Feb 26, 2025
Last modified
Nov 5, 2026
NVD status
Analyzed

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CVE-2022-49422: Medium severity, CVSS 5.5 | Vulnix