CVE-2026-53295 (GCVE-0-2026-53295)

Vulnerability from cvelistv5 – Published: 2026-06-26 19:40 – Updated: 2026-06-26 19:40
VLAI
Title
mailbox: add sanity check for channel array
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 5cc3300fab262b26c28bc2fc06df693410c3840b (git)
Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 0f11444271110d9b5bc6316a153c6431abda899c (git)
Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < d44872a569b8fbacde457ff2587a775e5004bb79 (git)
Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 14aed0d4e58389cc6a88acf8610b12d3e476272b (git)
Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 6362c4a7d7e21e68cd9aa04df7cde16befba3a4b (git)
Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 9dd7489943324298bb0f385495795a82f1dd6507 (git)
Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 37792091ab28ba030fd8d61184c47d4d51294170 (git)
Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < c1aad75595fb67edc7fda8af249d3b886efa1be9 (git)
Create a notification for this product.
Linux Linux Affected: 3.18
Unaffected: 0 , < 3.18 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-07-08T04:06:06+00:00",
      "cve": "CVE-2026-53295",
      "id": "CVE-2026-53295",
      "initial_release_date": "2026-06-26T00:00:00+00:00",
      "product_status:known_affected": "260",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: mailbox: add sanity check for channel array",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53295.json",
      "version": "3"
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  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.