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Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-49133MEDIUM
Linux Linux — drm/amdkfd: svm range restore work deadlock when process exit
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0026   18.2     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    8a7c184a16d73ab25360e0f5997f82306ff5d5a2 –  —
  Linux    5.14 –                                      5.16.20
TIMELINE
  Feb 26  Reserved by Linux
  Feb 26  Published (CNA: Linux)
  Aug 13  ENRICHED — CVE-2022-49133 (Linux). Received CVSS 5.5 and CPE data from NVD.
CNA: Linux · CVSS v3.1 · 3 references · NVD status: Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: svm range restore work deadlock when process exit kfd_process_notifier_release flush svm_range_restore_work which calls svm_range_list_lock_and_flush_work to flush deferred_list work, but if deferred_list work mmput release the last user, it will call exit_mmap -> notifier_release, it is deadlock with below backtrace. Move flush svm_range_restore_work to kfd_process_wq_release to avoid deadlock. Then svm_range_restore_work take task->mm ref to avoid mm is gone while validating and mapping ranges to GPU. Workqueue: events svm_range_deferred_list_work [amdgpu] Call Trace: wait_for_completion+0x94/0x100 __flush_work+0x12a/0x1e0 __cancel_work_timer+0x10e/0x190 cancel_delayed_work_sync+0x13/0x20 kfd_process_notifier_release+0x98/0x2a0 [amdgpu] __mmu_notifier_release+0x74/0x1f0 exit_mmap+0x170/0x200 mmput+0x5d/0x130 svm_range_deferred_list_work+0x104/0x230 [amdgpu] process_one_work+0x220/0x3c0

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
February 26, 2025ReservedReserved by Linux
February 26, 2025PublishedPublished (CNA: Linux)
August 13, 2026ENRICHEDENRICHED — CVE-2022-49133 (Linux). Received CVSS 5.5 and CPE data from NVD.

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinux8a7c184a16d73ab25360e0f5997f82306ff5d5a2
LinuxLinux5.145.16.20

References (3)

Related

Authoritative record: CVE-2022-49133 at cve.org

Vendors: linux

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-49133 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.