5.5

CVE-2023-52825

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

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".
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.15.140
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.64
Linux ≫ Linux Kernel Version >= 6.2 < 6.5.13
Linux ≫ Linux Kernel Version >= 6.6 < 6.6.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.07
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

https://git.kernel.org/stable/c/50f35a907c4f9ed431fd3dbb8b871ef1cbb0718e
Patch
https://git.kernel.org/stable/c/709c348261618da7ed89d6c303e2ceb9e453ba74
Patch
https://git.kernel.org/stable/c/7d43cdd22cd81a2b079e864c4321b9aba4c6af34
Patch
https://git.kernel.org/stable/c/c772eacbd6d0845fc922af8716bb9d29ae27b8cf
Patch
https://git.kernel.org/stable/c/fc0210720127cc6302e6d6f3de48f49c3fcf5659
Patch