{ "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": "2024-08-02T00:07:19.707Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:19:45.353Z" }, "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": "6eb045e092ef", "lessThan": "f5944853f7a9", "status": "affected", "versionType": "git" }, { "version": "6eb045e092ef", "lessThan": "d37c1c81419f", "status": "affected", "versionType": "git" }, { "version": "6eb045e092ef", "lessThan": "db6338f45971", "status": "affected", "versionType": "git" }, { "version": "6eb045e092ef", "lessThan": "65ead8468c21", "status": "affected", "versionType": "git" }, { "version": "6eb045e092ef", "lessThan": "07e3ca0f17f5", "status": "affected", "versionType": "git" }, { "version": "6eb045e092ef", "lessThan": "4373534a9850", "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": "custom" }, { "version": "5.10.210", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.149", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.77", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.16", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.4", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "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" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html" } ], "title": "scsi: core: Move scsi_host_busy() out of host lock for waking up EH handler", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "metrics": [ { "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": "2024-07-23T15:54:35.673Z" } }, { "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": "5.1" }