CVE-2022-49652: dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
First published: Wed Feb 26 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not needed anymore. Add missing of_node_put() in to fix this.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=4.5<4.9.323 | |
| Linux Kernel | >=4.10<4.14.288 | |
| Linux Kernel | >=4.15<4.19.252 | |
| Linux Kernel | >=4.20<5.4.205 | |
| Linux Kernel | >=5.5<5.10.130 | |
| Linux Kernel | >=5.11<5.15.54 | |
| Linux Kernel | >=5.16<5.18.11 | |
| Linux Kernel | =5.19-rc1 | |
| Linux Kernel | =5.19-rc2 | |
| Linux Kernel | =5.19-rc3 | |
| Linux Kernel | =5.19-rc4 | |
| Linux Kernel | =5.19-rc5 |
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Reference Links
- https://git.kernel.org/stable/c/452b9dfd7aca96befce22634fadb111737f22bbe
- https://git.kernel.org/stable/c/61b4ef19c346dc21ab1d4f39f5c412e3037b2bdc
- https://git.kernel.org/stable/c/3bd66010398871807c1cebacee07d60ded1b1402
- https://git.kernel.org/stable/c/b31ab132561c7f1b6459039152b8d09e44eb3565
- https://git.kernel.org/stable/c/37147e22cd8dfc0412495cb361708836157a4486
- https://git.kernel.org/stable/c/cb9813d7eae917acd34436160a278b8b5d48ca53
- https://git.kernel.org/stable/c/b5a817f8d62e9e13280928f3756e54854ae4962e
- https://git.kernel.org/stable/c/c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a
Frequently Asked Questions
What is the severity of CVE-2022-49652?
CVE-2022-49652 is classified as a low severity vulnerability.
How do I fix CVE-2022-49652?
To address CVE-2022-49652, update your Linux kernel to a version that has incorporated the fix.
What systems are affected by CVE-2022-49652?
CVE-2022-49652 affects various versions of the Linux kernel ranging from 4.5 to multiple 5.x releases.
What type of vulnerability is CVE-2022-49652?
CVE-2022-49652 is a reference counting vulnerability in the Linux DMA engine related to resource management.
Is CVE-2022-49652 actively exploited in the wild?
As of current information, there are no known active exploits for CVE-2022-49652.
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