CVE-2026-98970 (GCVE-0-2026-98970)
Vulnerability from cvelistv5
Published
2026-10-23 12:19
Modified
2026-10-30 12:40
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Free the BO cache size list on teardown vc4_bo_cache_destroy() purges the cached BOs but never frees the size list, leaking it on every unbind.
References
Impacted products
Vendor Product Version
Linux Linux Version: c826a6e1064419f78855463cf29ce9e8b9d25bf4
Version: c826a6e1064419f78855463cf29ce9e8b9d25bf4
Version: c826a6e1064419f78855463cf29ce9e8b9d25bf4
Version: c826a6e1064419f78855463cf29ce9e8b9d25bf4
Version: c826a6e1064419f78855463cf29ce9e8b9d25bf4
Version: c826a6e1064419f78855463cf29ce9e8b9d25bf4
Version: c826a6e1064419f78855463cf29ce9e8b9d25bf4
Version: c826a6e1064419f78855463cf29ce9e8b9d25bf4
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/vc4/vc4_bo.c"
          ],
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.5"
            },
            {
              "lessThan": "4.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.273",
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            {
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              "status": "unaffected",
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            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
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              "version": "6.18.57",
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            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.11",
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            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.273",
                  "versionStartIncluding": "4.5",
                  "vulnerable": true
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Free the BO cache size list on teardown\n\nvc4_bo_cache_destroy() purges the cached BOs but never frees the size\nlist, leaking it on every unbind."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-30T12:40:36.828Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/75f89ab8cb4c9f136af790cc5df1f88d2726953a"
        },
        {
          "url": "https://git.kernel.org/stable/c/2f19ddd4bf56a057dbf17e434a3c9ea45adaf7e8"
        },
        {
          "url": "https://git.kernel.org/stable/c/27c17ca90202d2a20def0316fb9403971ac9dfa7"
        },
        {
          "url": "https://git.kernel.org/stable/c/bf2848e50bd73782c2942ec023b5b60231f16e9b"
        },
        {
          "url": "https://git.kernel.org/stable/c/035ad1bc964f6698e9b06c26ffe94bcac08dadea"
        },
        {
          "url": "https://git.kernel.org/stable/c/bea10b84e22efa22b005e8dba1a19df4e04a7649"
        },
        {
          "url": "https://git.kernel.org/stable/c/40870a0290cd913c9d94f98ed87ebe00dd091e53"
        },
        {
          "url": "https://git.kernel.org/stable/c/b41ff8b529278216cba22a5dcdc93fea2a3a9619"
        }
      ],
      "title": "drm/vc4: Free the BO cache size list on teardown",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98970",
    "datePublished": "2026-10-23T12:19:43.586Z",
    "dateReserved": "2026-09-25T10:25:14.383Z",
    "dateUpdated": "2026-10-30T12:40:36.828Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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