CVE-2026-43221

In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb: initialise event handler read bytes IPMB doesn't use i2c reads, but the handler needs to set a value. Otherwise an i2c read will return an uninitialised value from the bus driver...

CVE-2026-43221

CVE-2026-43221 affects Linux kernel IPMI/IPMB: the event handler responsible for IPMB read bytes may fail to initialize reads, causing an I2C read to return an uninitialised value from the bus driver. This is described across multiple advisories (Root-OS-UBUNTU-2404, SUSE, Red Hat) as a patchable...

CVE-2026-43221 ipmi: ipmb: initialise event handler read bytes

In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb: initialise event handler read bytes IPMB doesn't use i2c reads, but the handler needs to set a value. Otherwise an i2c read will return an uninitialised value from the bus driver...