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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2022-48990

drm/amdgpu: fix use-after-free during gpu recovery

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix use-after-free during gpu recovery [Why] [ 754.862560] refcount_t: underflow; use-after-free. [ 754.862898] Call Trace: [ 754.862903] <TASK> [ 754.862913] amdgpu_job_free_cb+0xc2/0xe1 [amdgpu] [ 754.863543] drm_sched_main.cold+0x34/0x39 [amd_sched] [How] The fw_fence may be not init, check whether dma_fence_init is performed before job free

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • f6a3f66063ca39e7ee5fcee59e889c5ec4de9dc0 to < d2a89cd942edd50c1e652004fd64019be78b0a96affected
  • f6a3f66063ca39e7ee5fcee59e889c5ec4de9dc0 to < 3cb93f390453cde4d6afda1587aaa00e75e09617affected

Linux Linux

Default version status: affected

  • 6.0affected
  • 0 to < 6.0unaffected
  • 6.0.13 to ≤ 6.0.*unaffected
  • 6.1 to ≤ *unaffected

References