{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2024-26627","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-19T14:20:24.135Z","datePublished":"2024-03-06T06:45:34.339Z","dateUpdated":"2026-05-11T20:01:04.897Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T20:01:04.897Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: core: Move scsi_host_busy() out of host lock for waking up EH handler\n\nInside scsi_eh_wakeup(), scsi_host_busy() is called & checked with host\nlock every time for deciding if error handler kthread needs to be waken up.\n\nThis can be too heavy in case of recovery, such as:\n\n - N hardware queues\n\n - queue depth is M for each hardware queue\n\n - each scsi_host_busy() iterates over (N * M) tag/requests\n\nIf recovery is triggered in case that all requests are in-flight, each\nscsi_eh_wakeup() is strictly serialized, when scsi_eh_wakeup() is called\nfor the last in-flight request, scsi_host_busy() has been run for (N * M -\n1) times, and request has been iterated for (N*M - 1) * (N * M) times.\n\nIf both N and M are big enough, hard lockup can be triggered on acquiring\nhost lock, and it is observed on mpi3mr(128 hw queues, queue depth 8169).\n\nFix the issue by calling scsi_host_busy() outside the host lock. We don't\nneed the host lock for getting busy count because host the lock never\ncovers that.\n\n[mkp: Drop unnecessary 'busy' variables pointed out by Bart]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/scsi_error.c","drivers/scsi/scsi_lib.c","drivers/scsi/scsi_priv.h"],"versions":[{"version":"6eb045e092efefafc6687409a6fa6d1dabf0fb69","lessThan":"f5944853f7a961fedc1227dc8f60393f8936d37c","status":"affected","versionType":"git"},{"version":"6eb045e092efefafc6687409a6fa6d1dabf0fb69","lessThan":"d37c1c81419fdef66ebd0747cf76fb8b7d979059","status":"affected","versionType":"git"},{"version":"6eb045e092efefafc6687409a6fa6d1dabf0fb69","lessThan":"db6338f45971b4285ea368432a84033690eaf53c","status":"affected","versionType":"git"},{"version":"6eb045e092efefafc6687409a6fa6d1dabf0fb69","lessThan":"65ead8468c21c2676d4d06f50b46beffdea69df1","status":"affected","versionType":"git"},{"version":"6eb045e092efefafc6687409a6fa6d1dabf0fb69","lessThan":"07e3ca0f17f579491b5f54e9ed05173d6c1d6fcb","status":"affected","versionType":"git"},{"version":"6eb045e092efefafc6687409a6fa6d1dabf0fb69","lessThan":"4373534a9850627a2695317944898eb1283a2db0","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/scsi/scsi_error.c","drivers/scsi/scsi_lib.c","drivers/scsi/scsi_priv.h"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","status":"unaffected","versionType":"semver"},{"version":"5.10.210","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.149","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.77","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.16","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.4","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","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":"5.5","versionEndExcluding":"5.10.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.15.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.7.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f5944853f7a961fedc1227dc8f60393f8936d37c"},{"url":"https://git.kernel.org/stable/c/d37c1c81419fdef66ebd0747cf76fb8b7d979059"},{"url":"https://git.kernel.org/stable/c/db6338f45971b4285ea368432a84033690eaf53c"},{"url":"https://git.kernel.org/stable/c/65ead8468c21c2676d4d06f50b46beffdea69df1"},{"url":"https://git.kernel.org/stable/c/07e3ca0f17f579491b5f54e9ed05173d6c1d6fcb"},{"url":"https://git.kernel.org/stable/c/4373534a9850627a2695317944898eb1283a2db0"}],"title":"scsi: core: Move scsi_host_busy() out of host lock for waking up EH handler","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-07-23T15:54:15.450474Z","id":"CVE-2024-26627","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-04-16T15:55:34.142Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T00:07:19.707Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/f5944853f7a961fedc1227dc8f60393f8936d37c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d37c1c81419fdef66ebd0747cf76fb8b7d979059","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/db6338f45971b4285ea368432a84033690eaf53c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/65ead8468c21c2676d4d06f50b46beffdea69df1","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/07e3ca0f17f579491b5f54e9ed05173d6c1d6fcb","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/4373534a9850627a2695317944898eb1283a2db0","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","tags":["x_transferred"]}]}]},"dataVersion":"5.2"}