Back
CVE-2023-52825
drm/amdkfd: Fix a race condition of vram buffer unref in svm code
High7.8EPSS 0.18%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
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".
Timeline
ID reserved
By Linux
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.18% · top 92% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected e49fe4040a10c1cd3b215c511f658d15aa7c8be9 – < 7d43cdd22cd81a2b079e864c4321b9aba4c6af34
- affected e49fe4040a10c1cd3b215c511f658d15aa7c8be9 – < 50f35a907c4f9ed431fd3dbb8b871ef1cbb0718e
- affected e49fe4040a10c1cd3b215c511f658d15aa7c8be9 – < c772eacbd6d0845fc922af8716bb9d29ae27b8cf
- affected e49fe4040a10c1cd3b215c511f658d15aa7c8be9 – < fc0210720127cc6302e6d6f3de48f49c3fcf5659
- affected e49fe4040a10c1cd3b215c511f658d15aa7c8be9 – < 709c348261618da7ed89d6c303e2ceb9e453ba74
- affected 5.14
- unaffected < 5.14
- unaffected 5.15.140 – ≤ 5.15.*
- unaffected 6.1.64 – ≤ 6.1.*
- unaffected 6.5.13 – ≤ 6.5.*
- unaffected 6.6.3 – ≤ 6.6.*
- unaffected 6.7 – ≤ *
References (5)
- https://git.kernel.org/stable/c/7d43cdd22cd81a2b079e864c4321b9aba4c6af34 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/50f35a907c4f9ed431fd3dbb8b871ef1cbb0718e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c772eacbd6d0845fc922af8716bb9d29ae27b8cf (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/fc0210720127cc6302e6d6f3de48f49c3fcf5659 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/709c348261618da7ed89d6c303e2ceb9e453ba74 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-52825)Record last updated .