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Status published
Medium
CVE-2022-49422
dmaengine: idxd: Fix the error handling path in idxd_cdev_register()
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/6073af78156b8c3fc1198f8bcc190b7ac3ac0143
- https://git.kernel.org/stable/c/b3c7b5d08e9d5b2ff31c03078c00ecf11042419f
- https://git.kernel.org/stable/c/5e88561eceb34ae3f88451c2b8e30fe403484189
- https://git.kernel.org/stable/c/c308a2e711a52a47f4b45e7add2b5200169e429a
- https://git.kernel.org/stable/c/aab08c1aac01097815fbcf10fce7021d2396a31f
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
42d279f9137ab7d5503836baec2739284b278d8f, 5.6, 0, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19
Timeline
Official Publish:
February 26th, 2025
Last Modified:
May 11th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.