github - ghsa-6cmh-rmwx-jmcp

GHSA-6CMH-RMWX-JMCP

Vulnerability from github – Published: 2024-06-24 15:31 – Updated: 2025-10-03 15:31

Details

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

drm/xe: Only use reserved BCS instances for usm migrate exec queue

The GuC context scheduling queue is 2 entires deep, thus it is possible for a migration job to be stuck behind a fault if migration exec queue shares engines with user jobs. This can deadlock as the migrate exec queue is required to service page faults. Avoid deadlock by only using reserved BCS instances for usm migrate exec queue.

(cherry picked from commit 04f4a70a183a688a60fe3882d6e4236ea02cfc67)

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Only use reserved BCS instances for usm migrate exec queue\n\nThe GuC context scheduling queue is 2 entires deep, thus it is possible\nfor a migration job to be stuck behind a fault if migration exec queue\nshares engines with user jobs. This can deadlock as the migrate exec\nqueue is required to service page faults. Avoid deadlock by only using\nreserved BCS instances for usm migrate exec queue.\n\n(cherry picked from commit 04f4a70a183a688a60fe3882d6e4236ea02cfc67)",
  "id": "GHSA-6cmh-rmwx-jmcp",
  "modified": "2025-10-03T15:31:13Z",
  "published": "2024-06-24T15:31:45Z",
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CVE-2024-37026 (GCVE-0-2024-37026)

Vulnerability from cvelistv5 – Published: 2024-06-24 13:56 – Updated: 2025-05-04 09:13

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Only use reserved BCS instances for usm migrate exec queue The GuC context scheduling queue is 2 entires deep, thus it is possible for a migration job to be stuck behind a fault if migration exec queue shares engines with user jobs. This can deadlock as the migrate exec queue is required to service page faults. Avoid deadlock by only using reserved BCS instances for usm migrate exec queue. (cherry picked from commit 04f4a70a183a688a60fe3882d6e4236ea02cfc67)

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/92deed4a9bfd9ef18…
	https://git.kernel.org/stable/c/c8ea2c31f5ea43719…

Impacted products

Vendor

Product

Version

Linux

Affected: a043fbab7af54c64017269dc96f43f441ed4bcaf , < 92deed4a9bfd9ef187764225bba530116c49e15c (git)
Affected: a043fbab7af54c64017269dc96f43f441ed4bcaf , < c8ea2c31f5ea437199b239d76ad5db27343edb0c (git)

Linux

Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.9.4 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-6CMH-RMWX-JMCP

CVE-2024-37026 (GCVE-0-2024-37026)

Tags

Sightings

Nomenclature