CVE-2026-46197 (GCVE-0-2026-46197)
Vulnerability from cvelistv5
Published
2026-05-28 09:40
Modified
2026-06-14 18:01
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)
Impacted products
Vendor Product Version
Linux Linux Version: 42de677f79999791bee4e21be318c32d90ab62c6
Version: 42de677f79999791bee4e21be318c32d90ab62c6
Version: 42de677f79999791bee4e21be318c32d90ab62c6
Version: 42de677f79999791bee4e21be318c32d90ab62c6
Version: 42de677f79999791bee4e21be318c32d90ab62c6
Version: 42de677f79999791bee4e21be318c32d90ab62c6
Version: 42de677f79999791bee4e21be318c32d90ab62c6
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          "programFiles": [
            "drivers/gpu/drm/amd/amdkfd/kfd_chardev.c",
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "version": "5.14"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
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              "status": "unaffected",
              "version": "6.12.90",
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            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
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              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.9",
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.209",
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                  "vulnerable": true
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                {
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: validate SVM ioctl nattr against buffer size\n\nValidate nattr field against the buffer size, preventing\nout-of-bounds buffer access via user-controlled attribute count.\n\n(cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T18:01:58.427Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21"
        },
        {
          "url": "https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61"
        },
        {
          "url": "https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52"
        },
        {
          "url": "https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc"
        },
        {
          "url": "https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631"
        },
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          "url": "https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3"
        },
        {
          "url": "https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1"
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      "title": "drm/amdkfd: validate SVM ioctl nattr against buffer size",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46197",
    "datePublished": "2026-05-28T09:40:13.722Z",
    "dateReserved": "2026-05-13T15:03:33.104Z",
    "dateUpdated": "2026-06-14T18:01:58.427Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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