Findings

CVE-2026-43281

In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate() Although it is guided that must be a…

Published May 6, 2026 · updated Jun 17, 2026 · linux linux kernel

In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate() Although it is guided that must be at least 1, there are many instances of in the device tree. If that is the case and the corresponding mailbox controller does not provide and of_xlate fw_mbox_index_xlate()` will be used by default and out-of-bounds accesses could occur due to lack of bounds check in that function.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 6, 2026 · NIST NVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate() Although it is guided that must be at least 1, there are many instances of in the device tree. If that is the case and the corresponding mailbox controller does not provide and of_xlate fw_mbox_index_xlate()` will be used by default and out-of-bounds accesses could occ

  2. Jun 17, 2026 · NIST NVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate() Although it is guided that must be at least 1, there are many instances of in the device tree. If that is the case and the corresponding mailbox controller does not provide and of_xlate fw_mbox_index_xlate()` will be used by default and out-of-bounds accesses could occ

Affected

  • cpe linux/linux kernelversion unspecified
  • cpe linux/linux kernel3.18

Sources

  • CVE.orgVulnerability recordCVE-2026-43281

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-43281

    In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate() Although it is guided that must be at least 1, there are many instances of in the device tree. If that is the ca

    nvd.nist.gov

References