CVE-2022-49133

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Source
https://cve.org/CVERecord?id=CVE-2022-49133
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49133.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-49133
Downstream
Related
Published
2025-02-26T01:55:07.722Z
Modified
2026-03-11T02:06:12.613131Z
Summary
drm/amdkfd: svm range restore work deadlock when process exit
Details

In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: svm range restore work deadlock when process exit

kfdprocessnotifierrelease flush svmrangerestorework which calls svmrangelistlockandflushwork to flush deferredlist work, but if deferredlist work mmput release the last user, it will call exitmmap -> notifierrelease, it is deadlock with below backtrace.

Move flush svmrangerestorework to kfdprocesswqrelease to avoid deadlock. Then svmrangerestore_work take task->mm ref to avoid mm is gone while validating and mapping ranges to GPU.

Workqueue: events svmrangedeferredlistwork [amdgpu] Call Trace: waitforcompletion+0x94/0x100 __flush_work+0x12a/0x1e0 __cancelworktimer+0x10e/0x190 canceldelayedworksync+0x13/0x20 kfdprocessnotifierrelease+0x98/0x2a0 [amdgpu] _mmunotifierrelease+0x74/0x1f0 exitmmap+0x170/0x200 mmput+0x5d/0x130 svmrangedeferredlistwork+0x104/0x230 [amdgpu] processonework+0x220/0x3c0

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49133.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
42de677f79999791bee4e21be318c32d90ab62c6
Fixed
a6be83086e91891081e0589e4b4645bf4643e897
Fixed
858822905f4bf44100d63c5e22e263109976f7cb
Fixed
6225bb3a88d22594aacea2485dc28ca12d596721

Affected versions

v5.*
v5.12
v5.12-rc8
v5.13
v5.13-rc1
v5.13-rc2
v5.13-rc3
v5.13-rc4
v5.13-rc5
v5.13-rc6
v5.13-rc7
v5.14
v5.14-rc1
v5.14-rc2
v5.14-rc3
v5.14-rc4
v5.14-rc5
v5.14-rc6
v5.14-rc7
v5.15
v5.15-rc1
v5.15-rc2
v5.15-rc3
v5.15-rc4
v5.15-rc5
v5.15-rc6
v5.15-rc7
v5.16
v5.16-rc1
v5.16-rc2
v5.16-rc3
v5.16-rc4
v5.16-rc5
v5.16-rc6
v5.16-rc7
v5.16-rc8
v5.16.1
v5.16.10
v5.16.11
v5.16.12
v5.16.13
v5.16.14
v5.16.15
v5.16.16
v5.16.17
v5.16.18
v5.16.19
v5.16.2
v5.16.3
v5.16.4
v5.16.5
v5.16.6
v5.16.7
v5.16.8
v5.16.9
v5.17
v5.17-rc1
v5.17-rc2
v5.17-rc3
v5.17-rc4
v5.17-rc5
v5.17-rc6
v5.17-rc7
v5.17-rc8
v5.17.1
v5.17.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49133.json"
vanir_signatures 
[
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        "deprecated": false,
        "signature_type": "Line",
        "target": {
            "file": "drivers/gpu/drm/amd/amdkfd/kfd_process.c"
        },
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        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6225bb3a88d22594aacea2485dc28ca12d596721",
        "signature_version": "v1"
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        },
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        },
        "id": "CVE-2022-49133-1dc5d0e8",
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        },
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        "id": "CVE-2022-49133-2104bbff",
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