CVE-2026-68245High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid() The vm pointer returned from amdgpu_vm_get_vm_from_pasid() is only valid while the lock is still bein…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid()
The vm pointer returned from amdgpu_vm_get_vm_from_pasid() is only valid while the lock is still being held. Once xa_unlock_irqrestore is called and returned, the pointer is no longer under lock and is subject to modification. Since, the caller still dereferences vm->task_info in amdgpu_vm_get_task_info_vm() after the lock is removed, this causes a use after unlock problem.
Remove the lifetime issue present in amdgpu_vm_get_task_info_pasid() through removing the amdgpu_vm_get_vm_from_pasid() function from amdgpu_vm.c and making the relevant code inline to hold the lock while it is still in use.
(cherry picked from commit 9d01579f3f868b333acc901815972685989092c7)
Linux >= b8f67b9ddf4f8fe6dd536590712b5912ad78f99c < fe16a7e5336ae888751984e30c451fbf7cfa5df7Linux >= b8f67b9ddf4f8fe6dd536590712b5912ad78f99c < 1173190412fb9d12e7efce76734118d9712ff970Linux >= b8f67b9ddf4f8fe6dd536590712b5912ad78f99c < 5d5fb9124a2bba96a7807086d8fe0f7ce810d546Linux >= b8f67b9ddf4f8fe6dd536590712b5912ad78f99c < 04cc4aa3617b0ed67e859f91f09de5d896a46f3aLinux 6.9Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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