CVE-2024-49991: drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer Pass pointer reference to amdgpu_bo_unref to clear the correct pointer, otherwise amdgpu_bo_unref clear the local variable, the original pointer not set to NULL, this could cause use-after-free bug.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | <6.6.55 | |
| Linux kernel | >=6.7<6.10.14 | |
| Linux kernel | >=6.11<6.11.3 | |
| Linux Kernel | <6.6.55 | |
| Linux Kernel | >=6.7<6.10.14 | |
| Linux Kernel | >=6.11<6.11.3 | |
| debian/linux | <=5.10.223-1<=5.10.234-1 | 6.1.129-1 6.1.135-1 6.12.22-1 6.12.25-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/e7831613cbbcd9058d3658fbcdc5d5884ceb2e0c
- https://git.kernel.org/stable/c/30ceb873cc2e97348d9da2265b2d1ddf07f682e1
- https://git.kernel.org/stable/c/71f3240f82987f0f070ea5bed559033de7d4c0e1
- https://git.kernel.org/stable/c/6c9289806591807e4e3be9a23df8ee2069180055
- https://git.kernel.org/stable/c/c86ad39140bbcb9dc75a10046c2221f657e8083b
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49991
- https://nvd.nist.gov/vuln/detail/CVE-2024-49991
- https://launchpad.net/bugs/cve/CVE-2024-49991
- https://security-tracker.debian.org/tracker/CVE-2024-49991
- https://ubuntu.com/security/CVE-2024-49991
- https://git.kernel.org/linus/c86ad39140bbcb9dc75a10046c2221f657e8083b
Frequently Asked Questions
What is the severity of CVE-2024-49991?
The severity of CVE-2024-49991 is considered medium, as it affects memory management in the Linux kernel.
How do I fix CVE-2024-49991?
To fix CVE-2024-49991, update the Linux kernel to a version that includes the patch addressing this vulnerability.
Which versions of the Linux kernel are affected by CVE-2024-49991?
CVE-2024-49991 affects Linux kernel versions from 6.7 to 6.10.14 and versions from 6.11 to 6.11.3, as well as versions prior to 6.6.55.
What impact does CVE-2024-49991 have on systems?
CVE-2024-49991 can lead to potential memory corruption issues in systems running affected kernel versions.
Is CVE-2024-49991 a remote vulnerability?
CVE-2024-49991 is not specifically a remote vulnerability but could be exploited locally if an attacker has access to the system.
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