UBUNTU-CVE-2024-56697
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.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
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10 explicit affected versions
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26 explicit affected versions
23 explicit affected versions
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3 explicit affected versions
12 explicit affected versions
44 explicit affected versions
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12 explicit affected versions
13 explicit affected versions
7 explicit affected versions
7 explicit affected versions
10 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
11 explicit affected versions
35 explicit affected versions
12 explicit affected versions
13 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
11 explicit affected versions
12 explicit affected versions
27 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/a1144da794adedb9447437c57d69add56494309d
- https://git.kernel.org/stable/c/a1144da794adedb9447437c57d69add56494309d
- https://git.kernel.org/stable/c/d14bea4e094871226ea69772d69dab8b7b5f4915
- https://git.kernel.org/stable/c/e8f1dbaa0437eba4e8c1d6a6d81eca2e2ce3d197
- https://ubuntu.com/security/CVE-2024-56697
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://www.cve.org/CVERecord?id=CVE-2024-56697