Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-45865

In the Linux kernel, the following vulnerability has been resolved: mctp i2c: initialise event handler read bytes Set a 0xff value for i2c reads of an mctp-i2c device. Otherwise reads will return "val" from the i2c bus driver. For i2c-aspeed and i2c-npcm7xx that is a stack uninitialised u8. Tested with "i2ctransfer -y 1 r10@0x34" where 0x34 is a mctp-i2c instance, now it returns all 0xff.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 10.7%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2026-45865


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