CVE-2022-49422
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 42d279f9137ab7d5503836baec2739284b278d8f < 6073af78156b8c3fc1198f8bcc190b7ac3ac0143 | affected |
| Linux | Linux | 42d279f9137ab7d5503836baec2739284b278d8f < b3c7b5d08e9d5b2ff31c03078c00ecf11042419f | affected |
| Linux | Linux | 42d279f9137ab7d5503836baec2739284b278d8f < 5e88561eceb34ae3f88451c2b8e30fe403484189 | affected |
| Linux | Linux | 42d279f9137ab7d5503836baec2739284b278d8f < c308a2e711a52a47f4b45e7add2b5200169e429a | affected |
| Linux | Linux | 42d279f9137ab7d5503836baec2739284b278d8f < aab08c1aac01097815fbcf10fce7021d2396a31f | affected |
| Linux | Linux | 5.6 | affected |
| Linux | Linux | 0 < 5.6 | unaffected |
| Linux | Linux | 5.10.121 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.46 <= 5.15.* | unaffected |
| Linux | Linux | 5.17.14 <= 5.17.* | unaffected |
| Linux | Linux | 5.18.3 <= 5.18.* | unaffected |
| Linux | Linux | 5.19 <= * | unaffected |
Weaknesses
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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