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CVE-2022-48990

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

High7.8EPSS 0.26%
Published
Updated
Reserved
Assigned by
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

Scores

CVSS scores of CVE-2022-48990, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.26% · top 83% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

Affected products

  • Linux · Linux

    • affected f6a3f66063ca39e7ee5fcee59e889c5ec4de9dc0 – < d2a89cd942edd50c1e652004fd64019be78b0a96
    • affected f6a3f66063ca39e7ee5fcee59e889c5ec4de9dc0 – < 3cb93f390453cde4d6afda1587aaa00e75e09617

  • Linux · Linux

    • affected 6.0
    • unaffected < 6.0
    • unaffected 6.0.13 – ≤ 6.0.*
    • unaffected 6.1 – ≤ *

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .