{"id":"CVE-2025-40192","state":"PUBLISHED","title":"Revert \"ipmi: fix msg stack when IPMI is disconnected\"","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"ipmi: fix msg stack when IPMI is disconnected\"\n\nThis reverts commit c608966f3f9c2dca596967501d00753282b395fc.\n\nThis patch has a subtle bug that can cause the IPMI driver to go into an\ninfinite loop if the BMC misbehaves in a certain way.  Apparently\ncertain BMCs do misbehave this way because several reports have come in\nrecently about this.","publishedAt":"2025-11-12T21:56:31.476Z","updatedAt":"2026-05-11T21:44:32.428Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c608966f3f9c2dca596967501d00753282b395fc","status":"affected","lessThan":"f4aab940ae9eb3ba32e5332b35703673f00d7f37","versionType":"git"},{"version":"c608966f3f9c2dca596967501d00753282b395fc","status":"affected","lessThan":"b9cc7155e65f6feca51bfedd543b9bd300e2be2b","versionType":"git"},{"version":"c608966f3f9c2dca596967501d00753282b395fc","status":"affected","lessThan":"8cf5c24533b8058910fcb83a25a9cf0306383780","versionType":"git"},{"version":"c608966f3f9c2dca596967501d00753282b395fc","status":"affected","lessThan":"5d09ee1bec870263f4ace439402ea840503b503b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_kcs_sm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.113","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.54","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.4","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_kcs_sm.c"]}],"references":["https://git.kernel.org/stable/c/f4aab940ae9eb3ba32e5332b35703673f00d7f37","https://git.kernel.org/stable/c/b9cc7155e65f6feca51bfedd543b9bd300e2be2b","https://git.kernel.org/stable/c/8cf5c24533b8058910fcb83a25a9cf0306383780","https://git.kernel.org/stable/c/5d09ee1bec870263f4ace439402ea840503b503b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40192.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40192","state":"PUBLISHED","datePublished":"2025-11-12T21:56:31.476Z","dateUpdated":"2026-05-11T21:44:32.428Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.177Z"},"containers":{"cna":{"title":"Revert \"ipmi: fix msg stack when IPMI is disconnected\"","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"ipmi: fix msg stack when IPMI is disconnected\"\n\nThis reverts commit c608966f3f9c2dca596967501d00753282b395fc.\n\nThis patch has a subtle bug that can cause the IPMI driver to go into an\ninfinite loop if the BMC misbehaves in a certain way.  Apparently\ncertain BMCs do misbehave this way because several reports have come in\nrecently about this."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c608966f3f9c2dca596967501d00753282b395fc","status":"affected","lessThan":"f4aab940ae9eb3ba32e5332b35703673f00d7f37","versionType":"git"},{"version":"c608966f3f9c2dca596967501d00753282b395fc","status":"affected","lessThan":"b9cc7155e65f6feca51bfedd543b9bd300e2be2b","versionType":"git"},{"version":"c608966f3f9c2dca596967501d00753282b395fc","status":"affected","lessThan":"8cf5c24533b8058910fcb83a25a9cf0306383780","versionType":"git"},{"version":"c608966f3f9c2dca596967501d00753282b395fc","status":"affected","lessThan":"5d09ee1bec870263f4ace439402ea840503b503b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_kcs_sm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.113","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.54","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.4","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/ipmi/ipmi_kcs_sm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f4aab940ae9eb3ba32e5332b35703673f00d7f37"},{"url":"https://git.kernel.org/stable/c/b9cc7155e65f6feca51bfedd543b9bd300e2be2b"},{"url":"https://git.kernel.org/stable/c/8cf5c24533b8058910fcb83a25a9cf0306383780"},{"url":"https://git.kernel.org/stable/c/5d09ee1bec870263f4ace439402ea840503b503b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:44:32.428Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.12.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.17.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}