ipmi: ipmb: initialise event handler read bytes
Summary
| CVE | CVE-2026-43221 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-06 12:16:41 UTC |
| Updated | 2026-05-12 19:09:12 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-908
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 63c4eb347164845b380089012fe43992511c0ad3 905554ebd76aeee370bfd5136ea11e0b9d75c6f1 git | Not specified |
| CNA | Linux | Linux | affected 63c4eb347164845b380089012fe43992511c0ad3 56d5c0557e53c4d8d92a619fa83eaae178165e07 git | Not specified |
| CNA | Linux | Linux | affected 63c4eb347164845b380089012fe43992511c0ad3 2dfbc8c17dd161885336e77e71c336cd62cf6748 git | Not specified |
| CNA | Linux | Linux | affected 63c4eb347164845b380089012fe43992511c0ad3 f726b3a57e00bb6249c67714c11ae8b4b31719a1 git | Not specified |
| CNA | Linux | Linux | affected 63c4eb347164845b380089012fe43992511c0ad3 102712417bb6aa9a00d852bc59cb0a276db486c4 git | Not specified |
| CNA | Linux | Linux | affected 63c4eb347164845b380089012fe43992511c0ad3 9f235ccecd03c436cb1683eac16b12f119e54aa9 git | Not specified |
| CNA | Linux | Linux | affected 5.16 | Not specified |
| CNA | Linux | Linux | unaffected 5.16 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.165 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.128 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.75 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.16 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.6 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/56d5c0557e53c4d8d92a619fa83eaae178165e07 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/2dfbc8c17dd161885336e77e71c336cd62cf6748 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/102712417bb6aa9a00d852bc59cb0a276db486c4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/f726b3a57e00bb6249c67714c11ae8b4b31719a1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/905554ebd76aeee370bfd5136ea11e0b9d75c6f1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/9f235ccecd03c436cb1683eac16b12f119e54aa9 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.