{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-56780", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T11:26:39.768Z", "datePublished": "2025-01-08T17:49:17.889Z", "dateUpdated": "2026-05-23T15:56:03.580Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:56:03.580Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nquota: flush quota_release_work upon quota writeback\n\nOne of the paths quota writeback is called from is:\n\nfreeze_super()\n sync_filesystem()\n ext4_sync_fs()\n dquot_writeback_dquots()\n\nSince we currently don't always flush the quota_release_work queue in\nthis path, we can end up with the following race:\n\n 1. dquot are added to releasing_dquots list during regular operations.\n 2. FS Freeze starts, however, this does not flush the quota_release_work queue.\n 3. Freeze completes.\n 4. Kernel eventually tries to flush the workqueue while FS is frozen which\n hits a WARN_ON since transaction gets started during frozen state:\n\n ext4_journal_check_start+0x28/0x110 [ext4] (unreliable)\n __ext4_journal_start_sb+0x64/0x1c0 [ext4]\n ext4_release_dquot+0x90/0x1d0 [ext4]\n quota_release_workfn+0x43c/0x4d0\n\nWhich is the following line:\n\n WARN_ON(sb->s_writers.frozen == SB_FREEZE_COMPLETE);\n\nWhich ultimately results in generic/390 failing due to dmesg\nnoise. This was detected on powerpc machine 15 cores.\n\nTo avoid this, make sure to flush the workqueue during\ndquot_writeback_dquots() so we dont have any pending workitems after\nfreeze." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/quota/dquot.c" ], "versions": [ { "version": "d40c192e119892799dd4ddf94f5cea6fa93775ef", "lessThan": "a5abba5e0e586e258ded3e798fe5f69c66fec198", "status": "affected", "versionType": "git" }, { "version": "86d89987f0998c98f57d641e308b40452a994045", "lessThan": "6f3821acd7c3143145999248087de5fb4b48cf26", "status": "affected", "versionType": "git" }, { "version": "89602de9a2d7080b7a4029d5c1bf8f78d295ff5f", "lessThan": "ab6cfcf8ed2c7496f55d020b65b1d8cd55d9a2cb", "status": "affected", "versionType": "git" }, { "version": "3027e200dd58d5b437f16634dbbd355b29ffe0a6", "lessThan": "3e6ff207cd5bd924ad94cd1a7c633bcdac0ba1cb", "status": "affected", "versionType": "git" }, { "version": "dabc8b20756601b9e1cc85a81d47d3f98ed4d13a", "lessThan": "bcacb52a985f1b6d280f698a470b873dfe52728a", "status": "affected", "versionType": "git" }, { "version": "dabc8b20756601b9e1cc85a81d47d3f98ed4d13a", "lessThan": "8ea87e34792258825d290f4dc5216276e91cb224", "status": "affected", "versionType": "git" }, { "version": "dabc8b20756601b9e1cc85a81d47d3f98ed4d13a", "lessThan": "ac6f420291b3fee1113f21d612fa88b628afab5b", "status": "affected", "versionType": "git" }, { "version": "f3e9a2bbdeb8987508dd6bb2b701dea911d4daec", "status": "affected", "versionType": "git" }, { "version": "903fc5d8cb48b0d2de7095ef40e39fd32bb27bd0", "status": "affected", "versionType": "git" }, { "version": "31bed65eecbc5ce57592cfe31947eaa64e3d678e", "status": "affected", "versionType": "git" }, { "version": "5.4.257", "lessThan": "5.4.287", "status": "affected", "versionType": "semver" }, { "version": "5.10.195", "lessThan": "5.10.231", "status": "affected", "versionType": "semver" }, { "version": "5.15.132", "lessThan": "5.15.174", "status": "affected", "versionType": "semver" }, { "version": "6.1.53", "lessThan": "6.1.120", "status": "affected", "versionType": "semver" }, { "version": "4.19.295", "lessThan": "4.20", "status": "affected", "versionType": "semver" }, { "version": "6.4.16", "lessThan": "6.5", "status": "affected", "versionType": "semver" }, { "version": "6.5.3", "lessThan": "6.6", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/quota/dquot.c" ], "versions": [ { "version": "6.6", "status": "affected" }, { "version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.287", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.231", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.174", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.120", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.64", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.4", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.13", "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": "5.4.257", "versionEndExcluding": "5.4.287" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.195", "versionEndExcluding": "5.10.231" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.132", "versionEndExcluding": "5.15.174" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.53", "versionEndExcluding": "6.1.120" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.6.64" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.295" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/a5abba5e0e586e258ded3e798fe5f69c66fec198" }, { "url": "https://git.kernel.org/stable/c/6f3821acd7c3143145999248087de5fb4b48cf26" }, { "url": "https://git.kernel.org/stable/c/ab6cfcf8ed2c7496f55d020b65b1d8cd55d9a2cb" }, { "url": "https://git.kernel.org/stable/c/3e6ff207cd5bd924ad94cd1a7c633bcdac0ba1cb" }, { "url": "https://git.kernel.org/stable/c/bcacb52a985f1b6d280f698a470b873dfe52728a" }, { "url": "https://git.kernel.org/stable/c/8ea87e34792258825d290f4dc5216276e91cb224" }, { "url": "https://git.kernel.org/stable/c/ac6f420291b3fee1113f21d612fa88b628afab5b" } ], "title": "quota: flush quota_release_work upon quota writeback", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "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": { "id": "CVE-2024-56780", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T19:56:25.354258Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:57:23.949Z" } }, { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T20:54:19.790Z" } } ] } }