CVE-2026-43221
Not scored
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.
Exploit probability
0.1%
Published
May 6, 2026
Required by
Not available
Last source change
August 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-43221
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/102712417bb6aa9a00d852bc59cb0a276db486c4
- https://git.kernel.org/stable/c/2dfbc8c17dd161885336e77e71c336cd62cf6748
- https://git.kernel.org/stable/c/56d5c0557e53c4d8d92a619fa83eaae178165e07
- https://git.kernel.org/stable/c/905554ebd76aeee370bfd5136ea11e0b9d75c6f1
- https://git.kernel.org/stable/c/9f235ccecd03c436cb1683eac16b12f119e54aa9
- https://git.kernel.org/stable/c/f726b3a57e00bb6249c67714c11ae8b4b31719a1
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43221.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-43221