github - ghsa-gfhp-57f6-m54h

GHSA-GFHP-57F6-M54H

Vulnerability from github – Published: 2024-09-27 15:30 – Updated: 2024-10-01 18:31

Details

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

drm/xe/client: add missing bo locking in show_meminfo()

bo_meminfo() wants to inspect bo state like tt and the ttm resource, however this state can change at any point leading to stuff like NPD and UAF, if the bo lock is not held. Grab the bo lock when calling bo_meminfo(), ensuring we drop any spinlocks first. In the case of object_idr we now also need to hold a ref.

v2 (MattB) - Also add xe_bo_assert_held()

(cherry picked from commit 4f63d712fa104c3ebefcb289d1e733e86d8698c7)

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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{
  "affected": [],
  "aliases": [
    "CVE-2024-46866"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-09-27T13:15:17Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/client: add missing bo locking in show_meminfo()\n\nbo_meminfo() wants to inspect bo state like tt and the ttm resource,\nhowever this state can change at any point leading to stuff like NPD and\nUAF, if the bo lock is not held. Grab the bo lock when calling\nbo_meminfo(), ensuring we drop any spinlocks first. In the case of\nobject_idr we now also need to hold a ref.\n\nv2 (MattB)\n  - Also add xe_bo_assert_held()\n\n(cherry picked from commit 4f63d712fa104c3ebefcb289d1e733e86d8698c7)",
  "id": "GHSA-gfhp-57f6-m54h",
  "modified": "2024-10-01T18:31:17Z",
  "published": "2024-09-27T15:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-46866"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/94c4aa266111262c96c98f822d1bccc494786fee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/abc8feacacf8fae10eecf6fea7865e8c1fee419c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-46866 (GCVE-0-2024-46866)

Vulnerability from cvelistv5 – Published: 2024-09-27 12:42 – Updated: 2025-05-04 09:36

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/xe/client: add missing bo locking in show_meminfo() bo_meminfo() wants to inspect bo state like tt and the ttm resource, however this state can change at any point leading to stuff like NPD and UAF, if the bo lock is not held. Grab the bo lock when calling bo_meminfo(), ensuring we drop any spinlocks first. In the case of object_idr we now also need to hold a ref. v2 (MattB) - Also add xe_bo_assert_held() (cherry picked from commit 4f63d712fa104c3ebefcb289d1e733e86d8698c7)

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/abc8feacacf8fae10…
	https://git.kernel.org/stable/c/94c4aa266111262c9…

Impacted products

Vendor

Product

Version

Linux

Affected: 0845233388f8a26d00acf9bf230cfd4f36aa4c30 , < abc8feacacf8fae10eecf6fea7865e8c1fee419c (git)
Affected: 0845233388f8a26d00acf9bf230cfd4f36aa4c30 , < 94c4aa266111262c96c98f822d1bccc494786fee (git)

Linux

Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.10.11 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)

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        "metrics": [
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                "id": "CVE-2024-46866",
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-29T13:40:49.646755Z",
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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-GFHP-57F6-M54H

CVE-2024-46866 (GCVE-0-2024-46866)

Tags

Sightings

Nomenclature