CVE-2024-36951: drm/amdkfd: range check cp bad op exception interrupts
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: range check cp bad op exception interrupts
Due to a CP interrupt bug, bad packet garbage exception codes are raised.
Do a range check so that the debugger and runtime do not receive garbage
codes.
Update the user api to guard exception code type checking as well.
Security readout for executives and security teams
Plain-English summary
This Linux kernel issue affects AMD GPU compute handling. A bad CP interrupt can produce invalid exception codes that may reach debugger or runtime components. The public data does not describe remote attack paths, active exploitation, CVSS, or business impact severity.
Executive priority
Track this as a kernel maintenance item unless AMD GPU compute hosts support sensitive or multi-tenant workloads. With no CVSS or exploitation evidence, urgency depends on local AMD GPU exposure and normal patch cadence.
Technical view
CVE-2024-36951 is in Linux drm/amdkfd. The fix range-checks CP bad-op exception interrupt codes and updates user API exception code type checking so invalid garbage codes are not passed onward. Public metadata lists affected Linux kernel versions but no CVSS, CWE, or exploit details.
Likely exposure
Exposure is most likely on Linux systems using AMD KFD/AMDGPU compute functionality with affected kernel builds. The bundle does not establish exposure for non-AMD GPU systems or systems where this kernel driver path is unused.
Exploitation context
The source bundle shows KEV is false and provides no evidence of active exploitation, public exploit code, or remote exploitation. Treat exploitation context as unproven until vendor advisories or threat intelligence say otherwise.
Researcher notes
Evidence is limited to Linux CNA text and upstream stable commit references. The issue appears to sanitize invalid exception codes rather than document a clear confidentiality, integrity, or availability impact. Avoid overstating risk without vendor impact analysis.
Mitigation direction
Update affected Linux kernels through your distribution or kernel vendor.
Confirm updates include the referenced upstream stable commits.
Prioritize systems running AMD GPU compute workloads or untrusted local workloads.
Check vendor guidance for fixed package versions and backports.
Monitor kernel and GPU runtime logs for abnormal exception handling symptoms.
Validation and detection
Inventory Linux hosts with AMDGPU/AMDKFD enabled.
Map installed kernel versions against vendor fixed-version advisories.
Verify patched kernels include the referenced stable commit lineage.
Confirm GPU compute workloads still run after kernel update.
Record systems where vendor fixed-version guidance is unavailable.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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cve · low confidence lookup
CVE-2024-36951 mapping review
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