CVE-2023-52865: clk: mediatek: clk-mt6797: Add check for mtk_alloc_clk_data
First published: Tue May 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt6797: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer dereference.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.12<4.14.330 | |
| Linux Kernel | >=4.15<4.19.299 | |
| Linux Kernel | >=4.20<5.4.261 | |
| Linux Kernel | >=5.5<5.10.201 | |
| Linux Kernel | >=5.11<5.15.139 | |
| Linux Kernel | >=5.16<6.1.63 | |
| Linux Kernel | >=6.2<6.5.12 | |
| Linux Kernel | >=6.6<6.6.2 |
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Reference Links
- https://git.kernel.org/stable/c/c26feedbc561f2a3cee1a4f717e61bdbdfb4fa92
- https://git.kernel.org/stable/c/4c79cbfb8e9e2311be77182893fda5ea4068c836
- https://git.kernel.org/stable/c/2705c5b97f504e831ae1935c05f0e44f80dfa6b3
- https://git.kernel.org/stable/c/81b16286110728674dcf81137be0687c5055e7bf
- https://git.kernel.org/stable/c/3aefc6fcfbada57fac27f470602d5565e5b76cb4
- https://git.kernel.org/stable/c/357df1c2f6ace96defd557fad709ed1f9f70e16c
- https://git.kernel.org/stable/c/be3f12f16038a558f08fa93cc32fa715746a5235
- https://git.kernel.org/stable/c/122ac6496e4975ddd7ec1edba4f6fc1e15e39478
- https://git.kernel.org/stable/c/606f6366a35a3329545e38129804d65ef26ed7d2
Frequently Asked Questions
What is the severity of CVE-2023-52865?
The CVE-2023-52865 vulnerability has a moderate severity due to potential NULL pointer dereference issues in the Linux kernel.
How do I fix CVE-2023-52865?
To fix CVE-2023-52865, update the Linux kernel to a version that includes the patch addressing the NULL pointer dereference.
Which versions of the Linux kernel are affected by CVE-2023-52865?
CVE-2023-52865 affects several versions of the Linux kernel, specifically those between 4.12 and 6.6.2.
What causes the vulnerability in CVE-2023-52865?
CVE-2023-52865 is caused by a lack of proper checks for the return value of mtk_alloc_clk_data(), leading to potential NULL pointer dereference.
Is CVE-2023-52865 exploitative in nature?
Yes, CVE-2023-52865 can be exploited to cause system crashes or instability due to the NULL pointer dereference.
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