{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43221","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.994Z","datePublished":"2026-05-06T11:28:21.579Z","dateUpdated":"2026-05-11T22:20:20.815Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:20:20.815Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipmi: ipmb: initialise event handler read bytes\n\nIPMB doesn't use i2c reads, but the handler needs to set a value.\nOtherwise an i2c read will return an uninitialised value from the bus\ndriver."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_ipmb.c"],"versions":[{"version":"63c4eb347164845b380089012fe43992511c0ad3","lessThan":"905554ebd76aeee370bfd5136ea11e0b9d75c6f1","status":"affected","versionType":"git"},{"version":"63c4eb347164845b380089012fe43992511c0ad3","lessThan":"56d5c0557e53c4d8d92a619fa83eaae178165e07","status":"affected","versionType":"git"},{"version":"63c4eb347164845b380089012fe43992511c0ad3","lessThan":"2dfbc8c17dd161885336e77e71c336cd62cf6748","status":"affected","versionType":"git"},{"version":"63c4eb347164845b380089012fe43992511c0ad3","lessThan":"f726b3a57e00bb6249c67714c11ae8b4b31719a1","status":"affected","versionType":"git"},{"version":"63c4eb347164845b380089012fe43992511c0ad3","lessThan":"102712417bb6aa9a00d852bc59cb0a276db486c4","status":"affected","versionType":"git"},{"version":"63c4eb347164845b380089012fe43992511c0ad3","lessThan":"9f235ccecd03c436cb1683eac16b12f119e54aa9","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_ipmb.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"6.1.165","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.128","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.75","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.16","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.6","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/905554ebd76aeee370bfd5136ea11e0b9d75c6f1"},{"url":"https://git.kernel.org/stable/c/56d5c0557e53c4d8d92a619fa83eaae178165e07"},{"url":"https://git.kernel.org/stable/c/2dfbc8c17dd161885336e77e71c336cd62cf6748"},{"url":"https://git.kernel.org/stable/c/f726b3a57e00bb6249c67714c11ae8b4b31719a1"},{"url":"https://git.kernel.org/stable/c/102712417bb6aa9a00d852bc59cb0a276db486c4"},{"url":"https://git.kernel.org/stable/c/9f235ccecd03c436cb1683eac16b12f119e54aa9"}],"title":"ipmi: ipmb: initialise event handler read bytes","x_generator":{"engine":"bippy-1.2.0"}}}}