CVE-2022-50393
MediumIn the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: SDMA update use unlocked iterator SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case. WARNING: CPU: 0 PID: 1475 at drivers/dma-buf/dma-resv.c:483 dma_resv_iter_next Call Trace: dma_resv_iter_first+0x43/0xa0 amdgpu_vm_sdma_update+0x69/0x2d0 [amdgpu] amdgpu_vm_ptes_update+0x29c/0x870 [amdgpu] amdgpu_vm_update_range+0x2f6/0x6c0 [amdgpu] svm_range_unmap_from_gpus+0x115/0x300 [amdgpu] svm_range_cpu_invalidate_pagetables+0x510/0x5e0 [amdgpu] __mmu_notifier_invalidate_range_start+0x1d3/0x230 unmap_vmas+0x140/0x150 unmap_region+0xa8/0x110
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected versions
Linux kernel versions
4.2
and later are affected. Fixed in
5.19.17,
6.0.3,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-50393 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/3913f0179ba366f7d7d160c506ce00de1602bbc4
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PatchKernel patch commithttps://git.kernel.org/stable/c/4ff3d517cebe8a29b9f3c302b5292bb1ce291e00
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PatchKernel patch commithttps://git.kernel.org/stable/c/b892c57a3a04c8de247ab9ee08a0a8cf53290e19
Frequently asked questions
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What is CVE-2022-50393?
CVE-2022-50393 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.2 onward and has been patched in 5.19.17, 6.0.3 and 6.1. CVE-2022-50393 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-50393?
CVE-2022-50393 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2022-50393?
Yes — CVE-2022-50393 has been patched. Fixed versions include 5.19.17, 6.0.3 and 6.1. If you are running Linux kernel 4.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50393 actively exploited?
No — CVE-2022-50393 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.