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CVE-2026-53296

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: free channels on probe error On probe error, free the previously obtained channels. This not only prevents a leak, but also UAF scenarios because the client structure will be removed nonetheless because it was allocated with devm.

Severity
HIGH
CVSS score
7.8 (v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-06-26 20:17:22.557000
Last modified
2026-11-06 17:18:22.857000
View original CVE JSON
{
  "id": "CVE-2026-53296",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-06-26T20:17:22.557",
  "lastModified": "2026-11-06T17:18:22.857",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mailbox-test: free channels on probe error\n\nOn probe error, free the previously obtained channels. This not only\nprevents a leak, but also UAF scenarios because the client structure\nwill be removed nonetheless because it was allocated with devm."
    }
  ],
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          "programFiles": [
            "drivers/mailbox/mailbox-test.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "versionType": "original_commit_for_fix",
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    }
  ],
  "metrics": {
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          "scope": "UNCHANGED",
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          "role": "CISA Coordinator",
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  "weaknesses": [
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      "source": "[email protected]",
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}