FKIE_CVE-2026-53294

Vulnerability from fkie_nvd - Published: 2026-06-26 20:17 - Updated: 2026-06-30 14:44
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be aliased to the TX channel if it has a different MMIO. This special case needs to be handled when freeing the channels otherwise a double-free occurs.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/mailbox-test.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "fc0089f82c3e36060c2c79156bc2018bfb16b56b",
              "status": "affected",
              "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7",
              "versionType": "git"
            },
            {
              "lessThan": "5d4f3d0f64f1016cb78b400a70b67df91fac99b5",
              "status": "affected",
              "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7",
              "versionType": "git"
            },
            {
              "lessThan": "c494a11da45ad7ec9b0ff216c3e3ace351193bb6",
              "status": "affected",
              "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7",
              "versionType": "git"
            },
            {
              "lessThan": "3afca89fae501dbd7421e1777b5b8f033b1d98d0",
              "status": "affected",
              "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7",
              "versionType": "git"
            },
            {
              "lessThan": "5c209299b0113e289e238fa5f2e8f00c59f76060",
              "status": "affected",
              "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7",
              "versionType": "git"
            },
            {
              "lessThan": "82f6dcea46cf5de65c4ba7283f7c7b34de4a324d",
              "status": "affected",
              "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7",
              "versionType": "git"
            },
            {
              "lessThan": "240c71a2aea36a1a4210f911a1c32ea88777e8e4",
              "status": "affected",
              "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7",
              "versionType": "git"
            },
            {
              "lessThan": "88ebadbf0deefdaccdab868b44ff70a0a257f473",
              "status": "affected",
              "version": "8ea4484d0c2bb4e2152261943fa1a3522654b1c7",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mailbox/mailbox-test.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.4"
            },
            {
              "lessThan": "4.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "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"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mailbox-test: don\u0027t free the reused channel\n\nThe RX channel can be aliased to the TX channel if it has a different\nMMIO. This special case needs to be handled when freeing the channels\notherwise a double-free occurs."
    }
  ],
  "id": "CVE-2026-53294",
  "lastModified": "2026-06-30T14:44:27.313",
  "metrics": {},
  "published": "2026-06-26T20:17:22.310",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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