PT-2026-39067 · Linux+1 · Linux Kernel+1

CVE-2026-43406

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Published

2026-05-08

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Updated

2026-07-28

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the libceph component where out-of-bounds reads can occur within the process message header() function. This happens if a message frame is corrupted, causing the control segment length to be smaller than the message header size, or if a different frame is misrepresented as a message frame.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

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Weakness Enumeration

CWE-125

Related Identifiers

CVE-2026-43406
OESA-2026-3157
OPENSUSE-SU-2026:21388-1
SUSE-SU-2026:22108-1
SUSE-SU-2026:22137-1
SUSE-SU-2026:22433-1
SUSE-SU-2026:22458-1
SUSE-SU-2026:22742-1
SUSE-SU-2026:22769-1
SUSE-SU-2026:22812-1
SUSE-SU-2026:22835-1
SUSE-SU-2026:2482-1
SUSE-SU-2026:2591-1
USN-8490-1
USN-8490-2
USN-8491-1
USN-8492-1
USN-8492-2
USN-8492-3
USN-8492-4
USN-8492-5
USN-8493-1
USN-8493-2
USN-8497-1
USN-8498-1
USN-8499-1
USN-8508-1
USN-8527-1
USN-8528-1
USN-8545-1
USN-8546-1
USN-8547-1
USN-8547-2
USN-8604-1
USN-8605-1
USN-8606-1
USN-8607-1
USN-8609-1
USN-8619-1

Affected Products

Linuxmint
Linux Kernel