CVE-2026-43221

Medium

Description

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedMay 6, 2026
First seenMay 6, 2026

How to fix

Update
  • linux linux_kernel6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.16 ≤ v < 6.1.165, 6.2 ≤ v < 6.6.128, 6.7 ≤ v < 6.12.75, 6.13 ≤ v < 6.18.16, 6.19 ≤ v < 6.19.6, 7.06.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.