CVE-2024-41060: drm/radeon: check bo_va->bo is non-NULL before using it
In the Linux kernel, the following vulnerability has been resolved:
drm/radeon: check bo_va->bo is non-NULL before using it
The call to radeon_vm_clear_freed might clear bo_va->bo, so
we have to check it before dereferencing it.
Security readout for executives and security teams
Plain-English summary
A flaw in the Linux kernel’s Radeon graphics driver can use an object after its pointer has been cleared. A local, low-privileged user may trigger serious security impact without user interaction. Actual exploitability beyond a kernel fault is not demonstrated by the supplied sources.
Executive priority
Treat as a high-priority kernel update for affected Radeon-enabled or multi-user Linux systems. Prioritize environments allowing untrusted local execution. Emergency internet-edge action is not supported by the evidence because exploitation is local and active exploitation is not reported.
Technical view
The Radeon virtual-memory path calls radeon_vm_clear_freed, which may set bo_va->bo to NULL. Subsequent code could dereference that pointer without checking it. Referenced stable-kernel commits add the required non-NULL check. CVSS 3.1 is 7.8: local access, low complexity, low privileges, no interaction, and potentially high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to systems running an affected Linux kernel with the Radeon DRM code relevant to their configuration or workload. The bundle lists affected releases including 3.19, 5.10.234, 5.15.164, 6.1.101, 6.6.42, 6.9.11, and 6.10, but does not provide complete distribution package mapping.
Exploitation context
The CVSS vector describes a local, low-privileged attack requiring no user interaction. CVE-2024-41060 is not identified as KEV, and the supplied sources do not report active exploitation or provide evidence of a public exploit. Internet exposure alone is therefore not the primary risk indicator.
Researcher notes
The core defect is an unchecked NULL dereference after radeon_vm_clear_freed may clear bo_va->bo. The supplied CVSS claims potential high impact across confidentiality, integrity, and availability, but the sources do not establish a practical privilege-escalation path. Validate branch-specific fixes through the referenced stable commits and distribution backports.
Mitigation direction
Update to a vendor-supported kernel containing the referenced Radeon fixes.
Check Linux distribution advisories for the corrected package version for each deployed release.
Prioritize multi-user systems where untrusted users can execute local code.
Apply normal kernel-update reboot requirements and confirm the new kernel is active.
Validation and detection
Inventory active kernel versions and identify systems using affected releases.
Determine whether Radeon DRM functionality is present and relevant on each system.
Compare installed distribution packages against vendor security advisories.
After updating and rebooting, verify the running kernel matches the corrected package.
Review kernel logs for Radeon-related faults, while recognizing absence does not prove safety.
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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CVE-2024-41060 mapping review
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