CVE-2024-50280

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For example, the warning appears on the\nsuperblock checksum error.\n\nReproduce steps:\n\ndmsetup create cmeta --table \"0 8192 linear /dev/sdc 0\"\ndmsetup create cdata --table \"0 65536 linear /dev/sdc 8192\"\ndmsetup create corig --table \"0 524288 linear /dev/sdc 262144\"\ndd if=/dev/urandom of=/dev/mapper/cmeta bs=4k count=1 oflag=direct\ndmsetup create cache --table \"0 524288 cache /dev/mapper/cmeta \\\n/dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0\"\n\nKernel logs:\n\n(snip)\nWARNING: CPU: 0 PID: 84 at kernel/workqueue.c:4178 __flush_work+0x5d4/0x890\n\nFix by pulling out the cancel_delayed_work_sync() from the constructor's\nerror path. This patch doesn't affect the use-after-free fix for\nconcurrent dm_resume and dm_destroy (commit 6a459d8edbdb (\"dm cache: Fix\nUAF in destroy()\")) as cache_dtr is not changed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/dm-cache-target.c"], "versions": [{"version": "2b17026685a270b2beaf1cdd9857fcedd3505c7e", "lessThan": "40fac0271c7aedf60d81ed8214e80851e5b26312", "status": "affected", "versionType": "git"}, {"version": "d2a0b298ebf83ab6236f66788a3541e91ce75a70", "lessThan": "d154b333a5667b6c1b213a11a41ad7aaccd10c3d", "status": "affected", "versionType": "git"}, {"version": "6a3e412c2ab131c54945327a7676b006f000a209", "lessThan": "5a754d3c771280f2d06bf8ab716d6a0d36ca256e", "status": "affected", "versionType": "git"}, {"version": "6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa", "lessThan": "8cc12dab635333c4ea28e72d7b947be7d0543c2c", "status": "affected", "versionType": "git"}, {"version": "6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa", "lessThan": "aee3ecda73ce13af7c3e556383342b57e6bd0718", "status": "affected", "versionType": "git"}, {"version": "6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa", "lessThan": "135496c208ba26fd68cdef10b64ed7a91ac9a7ff", "status": "affected", "versionType": "git"}, {"version": "034cbc8d3b47a56acd89453c29632a9c117de09d", "status": "affected", "versionType": "git"}, {"version": "993406104d2b28fe470126a062ad37a1e21e792e", "status": "affected", "versionType": "git"}, {"version": "4d20032dd90664de09f2902a7ea49ae2f7771746", "status": "affected", "versionType": "git"}, {"version": "2f097dfac7579fd84ff98eb1d3acd41d53a485f3", "status": "affected", "versionType": "git"}, {"version": "6ac4f36910764cb510bafc4c3768544f86ca48ca", "status": "affected", "versionType": "git"}, {"version": "5.10.163", "lessThan": "5.10.237", "status": "affected", "versionType": "semver"}, {"version": "5.15.87", "lessThan": "5.15.181", "status": "affected", "versionType": "semver"}, {"version": "6.1.4", "lessThan": "6.1.117", "status": "affected", "versionType": "semver"}, {"version": "4.9.337", "lessThan": "4.10", "status": "affected", "versionType": "semver"}, {"version": "4.14.303", "lessThan": "4.15", "status": "affected", "versionType": "semver"}, {"version": "4.19.270", "lessThan": "4.20", "status": "affected", "versionType": "semver"}, {"version": "5.4.229", "lessThan": "5.5", "status": "affected", "versionType": "semver"}, {"version": "6.0.18", "lessThan": "6.1", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/dm-cache-target.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.237", "lessThanOrEqual": "5.10.*", "status": 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"versionStartIncluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/40fac0271c7aedf60d81ed8214e80851e5b26312"}, {"url": "https://git.kernel.org/stable/c/d154b333a5667b6c1b213a11a41ad7aaccd10c3d"}, {"url": "https://git.kernel.org/stable/c/5a754d3c771280f2d06bf8ab716d6a0d36ca256e"}, {"url": "https://git.kernel.org/stable/c/8cc12dab635333c4ea28e72d7b947be7d0543c2c"}, {"url": "https://git.kernel.org/stable/c/aee3ecda73ce13af7c3e556383342b57e6bd0718"}, {"url": "https://git.kernel.org/stable/c/135496c208ba26fd68cdef10b64ed7a91ac9a7ff"}], "title": "dm cache: fix flushing uninitialized delayed_work on cache_ctr error", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-50280", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-12-11T14:25:27.627011Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-11T14:58:31.803Z"}}, {"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], 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"Linux", "versions": [{"status": "affected", "version": "6.2"}, {"status": "unaffected", "version": "0", "lessThan": "6.2", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.237", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.181", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.117", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.61", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.11.8", "versionType": "semver", "lessThanOrEqual": "6.11.*"}, {"status": "unaffected", "version": "6.12", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/md/dm-cache-target.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/40fac0271c7aedf60d81ed8214e80851e5b26312"}, {"url": "https://git.kernel.org/stable/c/d154b333a5667b6c1b213a11a41ad7aaccd10c3d"}, {"url": "https://git.kernel.org/stable/c/5a754d3c771280f2d06bf8ab716d6a0d36ca256e"}, {"url": "https://git.kernel.org/stable/c/8cc12dab635333c4ea28e72d7b947be7d0543c2c"}, {"url": "https://git.kernel.org/stable/c/aee3ecda73ce13af7c3e556383342b57e6bd0718"}, {"url": "https://git.kernel.org/stable/c/135496c208ba26fd68cdef10b64ed7a91ac9a7ff"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: fix flushing uninitialized delayed_work on cache_ctr error\n\nAn unexpected WARN_ON from flush_work() may occur when cache creation\nfails, caused by destroying the uninitialized delayed_work waker in the\nerror path of cache_create(). For example, the warning appears on the\nsuperblock checksum error.\n\nReproduce steps:\n\ndmsetup create cmeta --table \"0 8192 linear /dev/sdc 0\"\ndmsetup create cdata --table \"0 65536 linear /dev/sdc 8192\"\ndmsetup create corig --table \"0 524288 linear /dev/sdc 262144\"\ndd if=/dev/urandom of=/dev/mapper/cmeta bs=4k count=1 oflag=direct\ndmsetup create cache --table \"0 524288 cache /dev/mapper/cmeta \\\n/dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0\"\n\nKernel logs:\n\n(snip)\nWARNING: CPU: 0 PID: 84 at kernel/workqueue.c:4178 __flush_work+0x5d4/0x890\n\nFix by pulling out the cancel_delayed_work_sync() from the constructor's\nerror path. This patch doesn't affect the use-after-free fix for\nconcurrent dm_resume and dm_destroy (commit 6a459d8edbdb (\"dm cache: Fix\nUAF in destroy()\")) as cache_dtr is not changed."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.237", "versionStartIncluding": "5.10.163"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.181", "versionStartIncluding": "5.15.87"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.117", "versionStartIncluding": "6.1.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.61", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.11.8", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.9.337"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.14.303"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.19.270"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "5.4.229"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "6.0.18"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:54:56.616Z"}}}, "cveMetadata": {"cveId": "CVE-2024-50280", "state": "PUBLISHED", "dateUpdated": "2026-05-23T15:54:56.616Z", "dateReserved": "2024-10-21T19:36:19.983Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-11-19T01:30:21.999Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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"3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc6:*:*:*:*:*:*", "matchCriteriaId": "24B88717-53F5-42AA-9B72-14C707639E3F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: fix flushing uninitialized delayed_work on cache_ctr error\n\nAn unexpected WARN_ON from flush_work() may occur when cache creation\nfails, caused by destroying the uninitialized delayed_work waker in the\nerror path of cache_create(). For example, the warning appears on the\nsuperblock checksum error.\n\nReproduce steps:\n\ndmsetup create cmeta --table \"0 8192 linear /dev/sdc 0\"\ndmsetup create cdata --table \"0 65536 linear /dev/sdc 8192\"\ndmsetup create corig --table \"0 524288 linear /dev/sdc 262144\"\ndd if=/dev/urandom of=/dev/mapper/cmeta bs=4k count=1 oflag=direct\ndmsetup create cache --table \"0 524288 cache /dev/mapper/cmeta \\\n/dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0\"\n\nKernel logs:\n\n(snip)\nWARNING: CPU: 0 PID: 84 at kernel/workqueue.c:4178 __flush_work+0x5d4/0x890\n\nFix by pulling out the cancel_delayed_work_sync() from the constructor's\nerror path. This patch doesn't affect the use-after-free fix for\nconcurrent dm_resume and dm_destroy (commit 6a459d8edbdb (\"dm cache: Fix\nUAF in destroy()\")) as cache_dtr is not changed."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dm cache: fix flushing uninitialized delayed_work on cache_ctr error Se puede producir un WARN_ON inesperado de flush_work() cuando falla la creaci\u00f3n de cach\u00e9, causado por la destrucci\u00f3n del activador delayed_work no inicializado en la ruta de error de cache_create(). Por ejemplo, la advertencia aparece en el error de suma de comprobaci\u00f3n del superbloque. Reproducir los pasos: dmsetup create cmeta --table \"0 8192 linear /dev/sdc 0\" dmsetup create cdata --table \"0 65536 linear /dev/sdc 8192\" dmsetup create corig --table \"0 524288 linear /dev/sdc 262144\" dd if=/dev/urandom of=/dev/mapper/cmeta bs=4k count=1 oflag=direct dmsetup create cache --table \"0 524288 cache /dev/mapper/cmeta \\ /dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0\" Registros del kernel: (fragmento) ADVERTENCIA: CPU: 0 PID: 84 en kernel/workqueue.c:4178 __flush_work+0x5d4/0x890 Se soluciona extrayendo cancel_delayed_work_sync() de la ruta de error del constructor. Este parche no afecta la correcci\u00f3n de use-after-free para dm_resume y dm_destroy simult\u00e1neos (commit 6a459d8edbdb (\"dm cache: Fix UAF in destroy()\")) ya que cache_dtr no se modifica."}], "id": "CVE-2024-50280", "lastModified": "2026-06-17T08:04:05.653", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-50280", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-12-11T14:25:27.627011Z", "version": "2.0.3"}}]}, "published": "2024-11-19T02:16:30.303", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/135496c208ba26fd68cdef10b64ed7a91ac9a7ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/40fac0271c7aedf60d81ed8214e80851e5b26312"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5a754d3c771280f2d06bf8ab716d6a0d36ca256e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8cc12dab635333c4ea28e72d7b947be7d0543c2c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aee3ecda73ce13af7c3e556383342b57e6bd0718"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d154b333a5667b6c1b213a11a41ad7aaccd10c3d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: dm cache: fix flushing uninitialized delayed_work on cache_ctr error", "id": "2327183", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2327183"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-667", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndm cache: fix flushing uninitialized delayed_work on cache_ctr error\nAn unexpected WARN_ON from flush_work() may occur when cache creation\nfails, caused by destroying the uninitialized delayed_work waker in the\nerror path of cache_create(). For example, the warning appears on the\nsuperblock checksum error.\nReproduce steps:\ndmsetup create cmeta --table \"0 8192 linear /dev/sdc 0\"\ndmsetup create cdata --table \"0 65536 linear /dev/sdc 8192\"\ndmsetup create corig --table \"0 524288 linear /dev/sdc 262144\"\ndd if=/dev/urandom of=/dev/mapper/cmeta bs=4k count=1 oflag=direct\ndmsetup create cache --table \"0 524288 cache /dev/mapper/cmeta \\\n/dev/mapper/cdata /dev/mapper/corig 128 2 metadata2 writethrough smq 0\"\nKernel logs:\n(snip)\nWARNING: CPU: 0 PID: 84 at kernel/workqueue.c:4178 __flush_work+0x5d4/0x890\nFix by pulling out the cancel_delayed_work_sync() from the constructor's\nerror path. This patch doesn't affect the use-after-free fix for\nconcurrent dm_resume and dm_destroy (commit 6a459d8edbdb (\"dm cache: Fix\nUAF in destroy()\")) as cache_dtr is not changed."], "name": "CVE-2024-50280", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50280\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50280\nhttps://lore.kernel.org/linux-cve-announce/2024111940-CVE-2024-50280-068b@gregkh/T"], "threat_severity": "Low"}

{}