drm/amdkfd: Fix a race condition of vram buffer unref in svm code
Priority LOW 33CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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".
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00182 7th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.15.140, 6.1.64, 6.5.13 +2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.14 and later | 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7 | Patch available | CNA |
- Linux VendorLinux Affected 5.14 and later Fixed in 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.15.140; 5.16 to before 6.1.64; 6.2 to before 6.5.13; 6.6 to before 6.6.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.15.140; 5.16 to before 6.1.64; 6.2 to before 6.5.13; 6.6 to before 6.6.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-52825
- 2026-10-03 Alias added: GHSA-m9gp-fqr3-w459
References
Patch 5
- https://git.kernel.org/stable/c/7d43cdd22cd81a2b079e864c4321b9aba4c6af34
- https://git.kernel.org/stable/c/50f35a907c4f9ed431fd3dbb8b871ef1cbb0718e
- https://git.kernel.org/stable/c/c772eacbd6d0845fc922af8716bb9d29ae27b8cf
- https://git.kernel.org/stable/c/fc0210720127cc6302e6d6f3de48f49c3fcf5659
- https://git.kernel.org/stable/c/709c348261618da7ed89d6c303e2ceb9e453ba74
More Linux Kernel vulnerabilities
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- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2023-52825 · CVE Program
- CVE-2023-52825 · NVD
- FIRST EPSS
- GHSA-m9gp-fqr3-w459 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-52825 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences