CVE-2024-56697: drm/amdgpu: Fix the memory allocation issue in amdgpu_discovery_get_nps_info()
First published: Sat Dec 28 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix the memory allocation issue in amdgpu_discovery_get_nps_info() Fix two issues with memory allocation in amdgpu_discovery_get_nps_info() for mem_ranges: - Add a check for allocation failure to avoid dereferencing a null pointer. - As suggested by Christophe, use kvcalloc() for memory allocation, which checks for multiplication overflow. Additionally, assign the output parameters nps_type and range_cnt after the kvcalloc() call to prevent modifying the output parameters in case of an error return.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.11<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/stable/c/d14bea4e094871226ea69772d69dab8b7b5f4915
- https://git.kernel.org/stable/c/e8f1dbaa0437eba4e8c1d6a6d81eca2e2ce3d197
- https://git.kernel.org/stable/c/a1144da794adedb9447437c57d69add56494309d
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56697
- https://nvd.nist.gov/vuln/detail/CVE-2024-56697
- https://launchpad.net/bugs/cve/CVE-2024-56697
- https://security-tracker.debian.org/tracker/CVE-2024-56697
- https://ubuntu.com/security/CVE-2024-56697
- https://git.kernel.org/linus/a1144da794adedb9447437c57d69add56494309d
Frequently Asked Questions
What is the severity of CVE-2024-56697?
CVE-2024-56697 has a moderate severity level due to memory allocation issues that could impact system stability.
How do I fix CVE-2024-56697?
To fix CVE-2024-56697, update your Linux kernel to version 6.11.11 or 6.12.2 or later.
What versions of the Linux kernel are affected by CVE-2024-56697?
CVE-2024-56697 affects Linux kernel versions from 6.11 to 6.11.11 and from 6.12 to 6.12.2.
What component is impacted by CVE-2024-56697?
CVE-2024-56697 impacts the AMD GPU driver in the Linux kernel.
What type of vulnerability is CVE-2024-56697?
CVE-2024-56697 is a memory allocation vulnerability in the amdgpu driver.
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