CVE-2023-52624: drm/amd/display: Wake DMCUB before executing GPINT commands
CSIRTS triage
- What
- Missing DMCUB wake-up before GPINT commands causes hardware deadlock or malfunction.
- Who is affected
- Systems using AMD GPUs with the Linux DRM display driver.
- Urgency
- High severity; CVSS 7.8 indicates significant impact on display stability and system operation.
- Action
- Apply kernel security update to add proper DMCUB wake-up sequencing.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-52624
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2023-526240.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2023-52624 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for drm/amd/display
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-74732: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check for…nvd · 2026-08-22
- highCVE-2026-74449: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix divid…nvd · 2026-08-15
- unknownCVE-2026-68436: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: use kvzal…nvd · 2026-08-12
- criticalCVE-2026-68364: drm/amd/display: Fix ISM dc_lock deadlock during suspendmsrc · 2026-08-11
- criticalCVE-2026-68236: drm/amd/display: set new_stream to NULL after releasemsrc · 2026-08-11
- mediumCVE-2026-68436: drm/amd/display: use kvzalloc to allocate struct dcmsrc · 2026-08-11
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