Vulnerability-Lookup

GHSA-W25H-464P-67CX

Vulnerability from github – Published: 2026-05-01 15:30 – Updated: 2026-05-12 21:31

Details

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

drm/xe/xe_pagefault: Disallow writes to read-only VMAs

The page fault handler should reject write/atomic access to read only VMAs. Add code to handle this in xe_pagefault_service after the VMA lookup.

v2: - Apply max line length (Matthew)

(cherry picked from commit 714ee6754ac5fa3dc078856a196a6b124cd797a0)

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-2026-31785"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-01T15:16:42Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/xe_pagefault: Disallow writes to read-only VMAs\n\nThe page fault handler should reject write/atomic access to read only\nVMAs.  Add code to handle this in xe_pagefault_service after the VMA\nlookup.\n\nv2:\n- Apply max line length (Matthew)\n\n(cherry picked from commit 714ee6754ac5fa3dc078856a196a6b124cd797a0)",
  "id": "GHSA-w25h-464p-67cx",
  "modified": "2026-05-12T21:31:25Z",
  "published": "2026-05-01T15:30:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31785"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6d192b4f2d644d15d9a9f1d33dab05af936f6540"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b656f040ed4ed2074dfb78072745b41d44368be0"
    }
  ],
  "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-2026-31785 (GCVE-0-2026-31785)

Vulnerability from cvelistv5 – Published: 2026-05-01 14:15 – Updated: 2026-05-11 22:15

Title

drm/xe/xe_pagefault: Disallow writes to read-only VMAs

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/xe/xe_pagefault: Disallow writes to read-only VMAs The page fault handler should reject write/atomic access to read only VMAs. Add code to handle this in xe_pagefault_service after the VMA lookup. v2: - Apply max line length (Matthew) (cherry picked from commit 714ee6754ac5fa3dc078856a196a6b124cd797a0)

Severity ?

No CVSS data available.

Assigner

Linux

References

2 references

URL	Tags
https://git.kernel.org/stable/c/b656f040ed4ed2074…
https://git.kernel.org/stable/c/6d192b4f2d644d15d…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: fb544b8445080c6488a58c01022550adc0873283 , < b656f040ed4ed2074dfb78072745b41d44368be0 (git) Affected: fb544b8445080c6488a58c01022550adc0873283 , < 6d192b4f2d644d15d9a9f1d33dab05af936f6540 (git)
Linux	Linux	Affected: 6.19 Unaffected: 0 , < 6.19 (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_pagefault.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b656f040ed4ed2074dfb78072745b41d44368be0",
              "status": "affected",
              "version": "fb544b8445080c6488a58c01022550adc0873283",
              "versionType": "git"
            },
            {
              "lessThan": "6d192b4f2d644d15d9a9f1d33dab05af936f6540",
              "status": "affected",
              "version": "fb544b8445080c6488a58c01022550adc0873283",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_pagefault.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.19"
            },
            {
              "lessThan": "6.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.12",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/xe_pagefault: Disallow writes to read-only VMAs\n\nThe page fault handler should reject write/atomic access to read only\nVMAs.  Add code to handle this in xe_pagefault_service after the VMA\nlookup.\n\nv2:\n- Apply max line length (Matthew)\n\n(cherry picked from commit 714ee6754ac5fa3dc078856a196a6b124cd797a0)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:15:45.926Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b656f040ed4ed2074dfb78072745b41d44368be0"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d192b4f2d644d15d9a9f1d33dab05af936f6540"
        }
      ],
      "title": "drm/xe/xe_pagefault: Disallow writes to read-only VMAs",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31785",
    "datePublished": "2026-05-01T14:15:10.792Z",
    "dateReserved": "2026-03-09T15:48:24.141Z",
    "dateUpdated": "2026-05-11T22:15:45.926Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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-W25H-464P-67CX

CVE-2026-31785 (GCVE-0-2026-31785)

Tags

Sightings

Nomenclature