CVE-2022-48990

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

State: Published
Severity: 7.8 High
Published: Oct 21, 2024
Updated: Aug 5, 2026
Reserved: Aug 22, 2024

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

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	f6a3f66063ca39e7ee5fcee59e889c5ec4de9dc0 to before d2a89cd942edd50c1e652004fd64019be78b0a96Affected f6a3f66063ca39e7ee5fcee59e889c5ec4de9dc0 to before 3cb93f390453cde4d6afda1587aaa00e75e09617Affected
LinuxLinux	6.0Affected before 6.0Not affected 6.0.13 through 6.0.*Not affected 6.1 and laterNot affected

References

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