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CVE-2022-49422
dmaengine: idxd: Fix the error handling path in idxd_cdev_register()
Medium5.5EPSS 0.26%
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.26% · top 82% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 42d279f9137ab7d5503836baec2739284b278d8f – < 6073af78156b8c3fc1198f8bcc190b7ac3ac0143
- affected 42d279f9137ab7d5503836baec2739284b278d8f – < b3c7b5d08e9d5b2ff31c03078c00ecf11042419f
- affected 42d279f9137ab7d5503836baec2739284b278d8f – < 5e88561eceb34ae3f88451c2b8e30fe403484189
- affected 42d279f9137ab7d5503836baec2739284b278d8f – < c308a2e711a52a47f4b45e7add2b5200169e429a
- affected 42d279f9137ab7d5503836baec2739284b278d8f – < aab08c1aac01097815fbcf10fce7021d2396a31f
- affected 5.6
- unaffected < 5.6
- unaffected 5.10.121 – ≤ 5.10.*
- unaffected 5.15.46 – ≤ 5.15.*
- unaffected 5.17.14 – ≤ 5.17.*
- unaffected 5.18.3 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (5)
- https://git.kernel.org/stable/c/6073af78156b8c3fc1198f8bcc190b7ac3ac0143 (opens in a new tab)
- https://git.kernel.org/stable/c/b3c7b5d08e9d5b2ff31c03078c00ecf11042419f (opens in a new tab)
- https://git.kernel.org/stable/c/5e88561eceb34ae3f88451c2b8e30fe403484189 (opens in a new tab)
- https://git.kernel.org/stable/c/c308a2e711a52a47f4b45e7add2b5200169e429a (opens in a new tab)
- https://git.kernel.org/stable/c/aab08c1aac01097815fbcf10fce7021d2396a31f (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2022-49422)Record last updated .