github - ghsa-pvw2-x3cx-mv2h

GHSA-PVW2-X3CX-MV2H

Vulnerability from github – Published: 2025-11-12 03:30 – Updated: 2025-11-12 03:30

Details

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

drm/vmwgfx: Fix a null-ptr access in the cursor snooper

Check that the resource which is converted to a surface exists before trying to use the cursor snooper on it.

vmw_cmd_res_check allows explicit invalid (SVGA3D_INVALID_ID) identifiers because some svga commands accept SVGA3D_INVALID_ID to mean "no surface", unfortunately functions that accept the actual surfaces as objects might (and in case of the cursor snooper, do not) be able to handle null objects. Make sure that we validate not only the identifier (via the vmw_cmd_res_check) but also check that the actual resource exists before trying to do something with it.

Fixes unchecked null-ptr reference in the snooping code.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40110"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-12T02:15:32Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Fix a null-ptr access in the cursor snooper\n\nCheck that the resource which is converted to a surface exists before\ntrying to use the cursor snooper on it.\n\nvmw_cmd_res_check allows explicit invalid (SVGA3D_INVALID_ID) identifiers\nbecause some svga commands accept SVGA3D_INVALID_ID to mean \"no surface\",\nunfortunately functions that accept the actual surfaces as objects might\n(and in case of the cursor snooper, do not) be able to handle null\nobjects. Make sure that we validate not only the identifier (via the\nvmw_cmd_res_check) but also check that the actual resource exists before\ntrying to do something with it.\n\nFixes unchecked null-ptr reference in the snooping code.",
  "id": "GHSA-pvw2-x3cx-mv2h",
  "modified": "2025-11-12T03:30:26Z",
  "published": "2025-11-12T03:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40110"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/13c9e4ed125e19484234c960efe5ac9c55119523"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/299cfb5a7deabdf9ecd30071755672af0aced5eb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5ac2c0279053a2c5265d46903432fb26ae2d0da2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6fca0a07989f361ceda27cb2d09c555d4d4a964"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-40110 (GCVE-0-2025-40110)

Vulnerability from cvelistv5 – Published: 2025-11-12 01:07 – Updated: 2025-12-01 06:18

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix a null-ptr access in the cursor snooper Check that the resource which is converted to a surface exists before trying to use the cursor snooper on it. vmw_cmd_res_check allows explicit invalid (SVGA3D_INVALID_ID) identifiers because some svga commands accept SVGA3D_INVALID_ID to mean "no surface", unfortunately functions that accept the actual surfaces as objects might (and in case of the cursor snooper, do not) be able to handle null objects. Make sure that we validate not only the identifier (via the vmw_cmd_res_check) but also check that the actual resource exists before trying to do something with it. Fixes unchecked null-ptr reference in the snooping code.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/299cfb5a7deabdf9e…
	https://git.kernel.org/stable/c/13c9e4ed125e19484…
	https://git.kernel.org/stable/c/b6fca0a07989f361c…
	https://git.kernel.org/stable/c/5ac2c0279053a2c52…

Impacted products

Vendor

Product

Version

Linux

Affected: c0951b797e7d0f2c6b0df2c0e18185c72d0cf1a1 , < 299cfb5a7deabdf9ecd30071755672af0aced5eb (git)
Affected: c0951b797e7d0f2c6b0df2c0e18185c72d0cf1a1 , < 13c9e4ed125e19484234c960efe5ac9c55119523 (git)
Affected: c0951b797e7d0f2c6b0df2c0e18185c72d0cf1a1 , < b6fca0a07989f361ceda27cb2d09c555d4d4a964 (git)
Affected: c0951b797e7d0f2c6b0df2c0e18185c72d0cf1a1 , < 5ac2c0279053a2c5265d46903432fb26ae2d0da2 (git)

Linux

Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 6.6.113 , ≤ 6.6.* (semver)
Unaffected: 6.12.54 , ≤ 6.12.* (semver)
Unaffected: 6.17.4 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "299cfb5a7deabdf9ecd30071755672af0aced5eb",
              "status": "affected",
              "version": "c0951b797e7d0f2c6b0df2c0e18185c72d0cf1a1",
              "versionType": "git"
            },
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              "status": "affected",
              "version": "c0951b797e7d0f2c6b0df2c0e18185c72d0cf1a1",
              "versionType": "git"
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          "programFiles": [
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.8"
            },
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              "lessThan": "3.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "status": "unaffected",
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              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.54",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
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          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
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                  "versionStartIncluding": "3.8",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Fix a null-ptr access in the cursor snooper\n\nCheck that the resource which is converted to a surface exists before\ntrying to use the cursor snooper on it.\n\nvmw_cmd_res_check allows explicit invalid (SVGA3D_INVALID_ID) identifiers\nbecause some svga commands accept SVGA3D_INVALID_ID to mean \"no surface\",\nunfortunately functions that accept the actual surfaces as objects might\n(and in case of the cursor snooper, do not) be able to handle null\nobjects. Make sure that we validate not only the identifier (via the\nvmw_cmd_res_check) but also check that the actual resource exists before\ntrying to do something with it.\n\nFixes unchecked null-ptr reference in the snooping code."
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      "providerMetadata": {
        "dateUpdated": "2025-12-01T06:18:13.457Z",
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        "shortName": "Linux"
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        {
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      "title": "drm/vmwgfx: Fix a null-ptr access in the cursor snooper",
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    "cveId": "CVE-2025-40110",
    "datePublished": "2025-11-12T01:07:24.739Z",
    "dateReserved": "2025-04-16T07:20:57.167Z",
    "dateUpdated": "2025-12-01T06:18:13.457Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-PVW2-X3CX-MV2H

CVE-2025-40110 (GCVE-0-2025-40110)

Tags

Sightings

Nomenclature