CVE-2022-50181 (GCVE-0-2022-50181)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:03 – Updated: 2025-06-18 11:03
VLAI?
Title
virtio-gpu: fix a missing check to avoid NULL dereference
Summary
In the Linux kernel, the following vulnerability has been resolved: virtio-gpu: fix a missing check to avoid NULL dereference 'cache_ent' could be set NULL inside virtio_gpu_cmd_get_capset() and it will lead to a NULL dereference by a lately use of it (i.e., ptr = cache_ent->caps_cache). Fix it with a NULL check. [ kraxel: minor codestyle fixup ]
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257 , < 259773fc874258606c0121767a4a27466ff337eb (git)
Affected: 62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257 , < 39caef09666c1d8274abf9472c72bcac236dc5fb (git)
Affected: 62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257 , < adbdd21983fa292e53aec3eab97306b2961ea887 (git)
Affected: 62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257 , < 367882a5a9448b5e1ba756125308092d614cb96c (git)
Affected: 62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257 , < bd63f11f4c3c46afec07d821f74736161ff6e526 (git)
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    Linux Linux Affected: 4.4
Unaffected: 0 , < 4.4 (semver)
Unaffected: 5.10.137 , ≤ 5.10.* (semver)
Unaffected: 5.15.61 , ≤ 5.15.* (semver)
Unaffected: 5.18.18 , ≤ 5.18.* (semver)
Unaffected: 5.19.2 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
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              "status": "unaffected",
              "version": "5.18.18",
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              "status": "unaffected",
              "version": "5.19.2",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-gpu: fix a missing check to avoid NULL dereference\n\n\u0027cache_ent\u0027 could be set NULL inside virtio_gpu_cmd_get_capset()\nand it will lead to a NULL dereference by a lately use of it\n(i.e., ptr = cache_ent-\u003ecaps_cache). Fix it with a NULL check.\n\n\n[ kraxel: minor codestyle fixup ]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:03:30.273Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/259773fc874258606c0121767a4a27466ff337eb"
        },
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          "url": "https://git.kernel.org/stable/c/39caef09666c1d8274abf9472c72bcac236dc5fb"
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        {
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      "title": "virtio-gpu: fix a missing check to avoid NULL dereference",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50181",
    "datePublished": "2025-06-18T11:03:30.273Z",
    "dateReserved": "2025-06-18T10:57:27.427Z",
    "dateUpdated": "2025-06-18T11:03:30.273Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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