Description

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.

Classification

CVE ID: CVE-2024-49991

CVSS Base Severity: HIGH

CVSS Base Score: 7.8

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 6.63% (scored less or equal to compared to others)

EPSS Date: 2025-06-02 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-49991
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

Timeline