PT-2026-37621 · Linux+2 · Linux Kernel+2

CVE-2026-43281

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Published

2025-11-26

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Updated

2026-08-26

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An out-of-bounds access issue exists in the fw mbox index xlate() function. This occurs when #mbox-cells is set to 0 in the device tree and the mailbox controller lacks fw xlate and of xlate function pointers, leading the system to use fw mbox index xlate() by default without proper bounds checking.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Out of bounds Read

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Weakness Enumeration

Related Identifiers

BDU:2026-13232
CVE-2026-43281
OESA-2026-2579
OESA-2026-2580
OPENSUSE-SU-2026:21555-1
SUSE-SU-2026:23066-1
SUSE-SU-2026:23068-1
SUSE-SU-2026:23193-1
SUSE-SU-2026:23194-1
SUSE-SU-2026:23221-1
SUSE-SU-2026:23231-1
SUSE-SU-2026:23237-1
SUSE-SU-2026:23241-1
SUSE-SU-2026:23244-1
SUSE-SU-2026:3594-1
SUSE-SU-2026:3790-1
SUSE-SU-2026:3810-1
USN-8567-1
USN-8574-1
USN-8574-2
USN-8574-3
USN-8575-1
USN-8575-2
USN-8575-3
USN-8576-1
USN-8576-2
USN-8595-1
USN-8595-2
USN-8595-3
USN-8596-1
USN-8597-1
USN-8606-1
USN-8607-1
USN-8608-1
USN-8609-1
USN-8610-1
USN-8619-1
USN-8620-1
USN-8620-2
USN-8620-3
USN-8620-4
USN-8665-1
USN-8668-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu