drm/msm: Fix task_struct reference leak in recover_worker
In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix task_struct reference leak in recover_worker get_pid_task() increments the task reference count, but the corresponding put_task_struct() was missing in the else branch, leaking a reference on every GPU hang recovery. Patchwork: https://patchwork.freedesktop.org/patch/730662/
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 6.18.52, 7.2.6
- CVEs
- CVE-2026-93059
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 22:40 UTC · Revision 1
Source evidence
drm/msm: Fix task_struct reference leak in recover_worker
core-osv · Original sourcePublished 17 Sept 2026, 16:10 UTC
In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix task_struct reference leak in recover_worker get_pid_task() increments the task reference count, but the corresponding put_task_struct() was missing in the else branch, leaking a reference on every GPU hang recovery. Patchwork: https://patchwork.freedesktop.org/patch/730662/
osv:CVE-2026-93059
Kernel
Fixed versions: 6.18.52, 7.2.6
Complete source record
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"method": "structured",
"payload": {
"kind": "advisory",
"title": "drm/msm: Fix task_struct reference leak in recover_worker",
"summary": "In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix task_struct reference leak in recover_worker get_pid_task() increments the task reference count, but the corresponding put_task_struct() was missing in the else branch, leaking a reference on every GPU hang recovery. Patchwork: https://patchwork.freedesktop.org/patch/730662/",
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"modified": "2026-10-28T02:30:31.969230766Z",
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"references": [
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"source_id": "core-osv",
"document_id": 499172,
"published_at": "2026-09-17T16:10:46.457+00:00"
}