CVE-2023-53210

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53210", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T13:59:19.069Z", "datePublished": "2025-09-15T14:21:38.534Z", "dateUpdated": "2026-05-11T19:40:24.649Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:40:24.649Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()\n\nr5l_flush_stripe_to_raid() will check if the list 'flushing_ios' is\nempty, and then submit 'flush_bio', however, r5l_log_flush_endio()\nis clearing the list first and then clear the bio, which will cause\nnull-ptr-deref:\n\nT1: submit flush io\nraid5d\n handle_active_stripes\n r5l_flush_stripe_to_raid\n // list is empty\n // add 'io_end_ios' to the list\n bio_init\n submit_bio\n // io1\n\nT2: io1 is done\nr5l_log_flush_endio\n list_splice_tail_init\n // clear the list\n\t\t\tT3: submit new flush io\n\t\t\t...\n\t\t\tr5l_flush_stripe_to_raid\n\t\t\t // list is empty\n\t\t\t // add 'io_end_ios' to the list\n\t\t\t bio_init\n bio_uninit\n // clear bio->bi_blkg\n\t\t\t submit_bio\n\t\t\t // null-ptr-deref\n\nFix this problem by clearing bio before clearing the list in\nr5l_log_flush_endio()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/raid5-cache.c"], "versions": [{"version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "lessThan": "711fb92606208a8626b785da4f9f23d648a5b6c8", "status": "affected", "versionType": "git"}, {"version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "lessThan": "7a8b6d93991bf4b72b3f959baea35397c6c8e521", "status": "affected", "versionType": "git"}, {"version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "lessThan": "e46b2e7be8059d156af8c011dd8d665229b65886", "status": "affected", "versionType": "git"}, {"version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "lessThan": "0d0bd28c500173bfca78aa840f8f36d261ef1765", "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/md/raid5-cache.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.53", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.16", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.3", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "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": "5.18", "versionEndExcluding": "6.1.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.4.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.5.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/711fb92606208a8626b785da4f9f23d648a5b6c8"}, {"url": "https://git.kernel.org/stable/c/7a8b6d93991bf4b72b3f959baea35397c6c8e521"}, {"url": "https://git.kernel.org/stable/c/e46b2e7be8059d156af8c011dd8d665229b65886"}, {"url": "https://git.kernel.org/stable/c/0d0bd28c500173bfca78aa840f8f36d261ef1765"}], "title": "md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()", "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-2023-53210", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-14T17:48:25.419997Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T17:52:57.015Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "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-2023-53210", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-14T17:48:25.419997Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T17:48:21.319Z"}}], "cna": {"title": "md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "lessThan": "711fb92606208a8626b785da4f9f23d648a5b6c8", "versionType": "git"}, {"status": "affected", "version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "lessThan": "7a8b6d93991bf4b72b3f959baea35397c6c8e521", "versionType": "git"}, {"status": "affected", "version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "lessThan": "e46b2e7be8059d156af8c011dd8d665229b65886", "versionType": "git"}, {"status": "affected", "version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "lessThan": "0d0bd28c500173bfca78aa840f8f36d261ef1765", "versionType": "git"}], "programFiles": ["drivers/md/raid5-cache.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.18"}, {"status": "unaffected", "version": "0", "lessThan": "5.18", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.53", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.4.16", "versionType": "semver", "lessThanOrEqual": "6.4.*"}, {"status": "unaffected", "version": "6.5.3", "versionType": "semver", "lessThanOrEqual": "6.5.*"}, {"status": "unaffected", "version": "6.6", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/md/raid5-cache.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/711fb92606208a8626b785da4f9f23d648a5b6c8"}, {"url": "https://git.kernel.org/stable/c/7a8b6d93991bf4b72b3f959baea35397c6c8e521"}, {"url": "https://git.kernel.org/stable/c/e46b2e7be8059d156af8c011dd8d665229b65886"}, {"url": "https://git.kernel.org/stable/c/0d0bd28c500173bfca78aa840f8f36d261ef1765"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()\n\nr5l_flush_stripe_to_raid() will check if the list 'flushing_ios' is\nempty, and then submit 'flush_bio', however, r5l_log_flush_endio()\nis clearing the list first and then clear the bio, which will cause\nnull-ptr-deref:\n\nT1: submit flush io\nraid5d\n handle_active_stripes\n r5l_flush_stripe_to_raid\n // list is empty\n // add 'io_end_ios' to the list\n bio_init\n submit_bio\n // io1\n\nT2: io1 is done\nr5l_log_flush_endio\n list_splice_tail_init\n // clear the list\n\t\t\tT3: submit new flush io\n\t\t\t...\n\t\t\tr5l_flush_stripe_to_raid\n\t\t\t // list is empty\n\t\t\t // add 'io_end_ios' to the list\n\t\t\t bio_init\n bio_uninit\n // clear bio->bi_blkg\n\t\t\t submit_bio\n\t\t\t // null-ptr-deref\n\nFix this problem by clearing bio before clearing the list in\nr5l_log_flush_endio()."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.53", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.4.16", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.5.3", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6", "versionStartIncluding": "5.18"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:40:24.649Z"}}}, "cveMetadata": {"cveId": "CVE-2023-53210", "state": "PUBLISHED", "dateUpdated": "2026-05-11T19:40:24.649Z", "dateReserved": "2025-09-15T13:59:19.069Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-09-15T14:21:38.534Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/md/raid5-cache.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "711fb92606208a8626b785da4f9f23d648a5b6c8", "status": "affected", "version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "versionType": "git"}, {"lessThan": "7a8b6d93991bf4b72b3f959baea35397c6c8e521", "status": "affected", "version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "versionType": "git"}, {"lessThan": "e46b2e7be8059d156af8c011dd8d665229b65886", "status": "affected", "version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "versionType": "git"}, {"lessThan": "0d0bd28c500173bfca78aa840f8f36d261ef1765", "status": "affected", "version": "0dd00cba99c352dc9afd62979f350d808c215cb9", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/md/raid5-cache.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.18"}, {"lessThan": "5.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.53", "versionType": "semver"}, {"lessThanOrEqual": "6.4.*", "status": "unaffected", "version": "6.4.16", "versionType": "semver"}, {"lessThanOrEqual": "6.5.*", "status": "unaffected", "version": "6.5.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.6", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D6D40380-C0F3-42CE-9D26-957632D198A4", "versionEndExcluding": "6.1.53", "versionStartIncluding": "5.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3039EA3-F6CA-43EF-9F17-81A7EC6841EF", "versionEndExcluding": "6.4.16", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "880C803A-BEAE-4DA0-8A59-AC023F7B4EE3", "versionEndExcluding": "6.5.3", "versionStartIncluding": "6.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()\n\nr5l_flush_stripe_to_raid() will check if the list 'flushing_ios' is\nempty, and then submit 'flush_bio', however, r5l_log_flush_endio()\nis clearing the list first and then clear the bio, which will cause\nnull-ptr-deref:\n\nT1: submit flush io\nraid5d\n handle_active_stripes\n r5l_flush_stripe_to_raid\n // list is empty\n // add 'io_end_ios' to the list\n bio_init\n submit_bio\n // io1\n\nT2: io1 is done\nr5l_log_flush_endio\n list_splice_tail_init\n // clear the list\n\t\t\tT3: submit new flush io\n\t\t\t...\n\t\t\tr5l_flush_stripe_to_raid\n\t\t\t // list is empty\n\t\t\t // add 'io_end_ios' to the list\n\t\t\t bio_init\n bio_uninit\n // clear bio->bi_blkg\n\t\t\t submit_bio\n\t\t\t // null-ptr-deref\n\nFix this problem by clearing bio before clearing the list in\nr5l_log_flush_endio()."}], "id": "CVE-2023-53210", "lastModified": "2026-06-17T06:44:30.913", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-53210", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-14T17:48:25.419997Z", "version": "2.0.3"}}]}, "published": "2025-09-15T15:15:47.547", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0d0bd28c500173bfca78aa840f8f36d261ef1765"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/711fb92606208a8626b785da4f9f23d648a5b6c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a8b6d93991bf4b72b3f959baea35397c6c8e521"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e46b2e7be8059d156af8c011dd8d665229b65886"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()", "id": "2395424", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395424"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53210", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53210\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53210\nhttps://lore.kernel.org/linux-cve-announce/2025091511-CVE-2023-53210-0e06@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-17T10:07:52.375571+00:00", "updated": "2025-09-17T10:07:52.375623+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}