CVE-2022-48990

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

HIGH
7.8
CVSS Score
Published: October 21, 2024 at 08:06 PM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.0.136.0 ≤ v < 6.0.136.0 ≤ v < 6.16.1 rc16.1 rc26.1 rc36.1 rc46.1 rc56.1 rc6f6a3f66063ca39e7ee5fcee59e889c5ec4de9dc0
Vendor states this is fixed in 3cb93f390453cde4d6afda1587aaa00e75e09617 (fixed)
Vendor states this is fixed in d2a89cd942edd50c1e652004fd64019be78b0a96 (fixed)
Vendor states this is fixed in 6.0 (unaffected)
Vendor states this is fixed in 6.0.13 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3cb93f390453cde4d6afda1587aaa00e75e09617
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d2a89cd942edd50c1e652004fd64019be78b0a96

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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