CVE-2026-53295 (GCVE-0-2026-53295)
Vulnerability from cvelistv5
Published
2026-06-26 19:40
Modified
2026-06-26 19:40
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mailbox: add sanity check for channel array Fail gracefully if there is no channel array attached to the mailbox controller. Otherwise the later dereference will cause an OOPS which might not be seen because mailbox controllers might instantiate very early. Remove the comment explaining the obvious while here.
References
Impacted products
Vendor Product Version
Linux Linux Version: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c
Version: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c
Version: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c
Version: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c
Version: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c
Version: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c
Version: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c
Version: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/mailbox.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
            },
            {
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        },
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          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/mailbox.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.18"
            },
            {
              "lessThan": "3.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.141",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.91",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
            {
              "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": "5.10.258",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "5.15.209",
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                  "versionEndExcluding": "7.1",
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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\nmailbox: add sanity check for channel array\n\nFail gracefully if there is no channel array attached to the mailbox\ncontroller. Otherwise the later dereference will cause an OOPS which\nmight not be seen because mailbox controllers might instantiate very\nearly. Remove the comment explaining the obvious while here."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-26T19:40:53.670Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5cc3300fab262b26c28bc2fc06df693410c3840b"
        },
        {
          "url": "https://git.kernel.org/stable/c/0f11444271110d9b5bc6316a153c6431abda899c"
        },
        {
          "url": "https://git.kernel.org/stable/c/d44872a569b8fbacde457ff2587a775e5004bb79"
        },
        {
          "url": "https://git.kernel.org/stable/c/14aed0d4e58389cc6a88acf8610b12d3e476272b"
        },
        {
          "url": "https://git.kernel.org/stable/c/6362c4a7d7e21e68cd9aa04df7cde16befba3a4b"
        },
        {
          "url": "https://git.kernel.org/stable/c/9dd7489943324298bb0f385495795a82f1dd6507"
        },
        {
          "url": "https://git.kernel.org/stable/c/37792091ab28ba030fd8d61184c47d4d51294170"
        },
        {
          "url": "https://git.kernel.org/stable/c/c1aad75595fb67edc7fda8af249d3b886efa1be9"
        }
      ],
      "title": "mailbox: add sanity check for channel array",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53295",
    "datePublished": "2026-06-26T19:40:53.670Z",
    "dateReserved": "2026-06-09T07:44:35.396Z",
    "dateUpdated": "2026-06-26T19:40:53.670Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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