CVE-2026-43221
medium
CVSS v3
5.5
CVSS v4 NEW
โ
VIR risk
5.5
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.
Predictions
Exploit likelihood
55%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Linux kernel Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 7.0 | Affected | โ |
| โ | Affected | 6.1.165 |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.12.85-1 |
| sid | Fixed | 6.19.6-1 |
| forky | Fixed | 6.19.6-1 |
| bullseye | Fixed | 0 |
| bookworm | Fixed | 6.1.170-1 |
References
- 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://www.suse.com/security/cve/CVE-2026-43221.html
- https://security-tracker.debian.org/tracker/CVE-2026-43221
CWEs
CWE-908
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.