CVE-2023-52825

MEDIUM5.5

drm/amdkfd: Fix a race condition of vram buffer unref in svm code

Published May 21, 2024

Modified 7 months ago

No fix available

Details

In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: Fix a race condition of vram buffer unref in svm code

prange->svm_bo unref can happen in both mmu callback and a callback after migrate to system ram. Both are async call in different tasks. Sync svm_bo unref operation to avoid random "use-after-free".

References

WEBhttps://git.kernel.org/stable/c/50f35a907c4f9ed431fd3dbb8b871ef1cbb0718e WEBhttps://git.kernel.org/stable/c/709c348261618da7ed89d6c303e2ceb9e453ba74 WEBhttps://git.kernel.org/stable/c/7d43cdd22cd81a2b079e864c4321b9aba4c6af34 WEBhttps://git.kernel.org/stable/c/c772eacbd6d0845fc922af8716bb9d29ae27b8cf WEBhttps://git.kernel.org/stable/c/fc0210720127cc6302e6d6f3de48f49c3fcf5659 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2023-52825

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedMay 21, 2024

ModifiedMay 20, 2025

CVE-2023-52825 | Mondoo Vulnerability Intelligence