CVE-2025-71309

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71309", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-08T13:14:33.088Z", "datePublished": "2026-05-27T12:15:03.360Z", "dateUpdated": "2026-05-27T12:15:03.360Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:15:03.360Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: fix deadlock in ni_read_folio_cmpr\n\nSyzbot reported a task hung in ni_readpage_cmpr (now ni_read_folio_cmpr).\nThis is caused by a lock inversion deadlock involving the inode mutex\n(ni_lock) and page locks.\n\nScenario:\n1. Task A enters ntfs_read_folio() for page X. It acquires ni_lock.\n2. Task A calls ni_read_folio_cmpr(), which attempts to lock all pages in\n the compressed frame (including page Y).\n3. Concurrently, Task B (e.g., via readahead) has locked page Y and\n calls ntfs_read_folio().\n4. Task B waits for ni_lock (held by A).\n5. Task A waits for page Y lock (held by B).\n -> DEADLOCK.\n\nThe fix is to restructure locking: do not take ni_lock in ntfs_read_folio().\nInstead, acquire ni_lock inside ni_read_folio_cmpr() ONLY AFTER all required\npage locks for the frame have been successfully acquired. This restores the\ncorrect lock ordering (Page Lock -> ni_lock) consistent with VFS.\n\n[almaz.alexandrovich@paragon-software.com: ni_readpage_cmpr was renamed to ni_read_folio_cmpr]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/frecord.c", "fs/ntfs3/inode.c"], "versions": [{"version": "f35590ee26f5722bfe12cdff14396c4c057a8f74", "lessThan": "cfe246b318106e1691bd6c9466c739e8559d25c2", "status": "affected", "versionType": "git"}, {"version": "f35590ee26f5722bfe12cdff14396c4c057a8f74", "lessThan": "e37a75bb866c29da954b51d0dd7670406246d9ee", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ntfs3/frecord.c", "fs/ntfs3/inode.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.19", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cfe246b318106e1691bd6c9466c739e8559d25c2"}, {"url": "https://git.kernel.org/stable/c/e37a75bb866c29da954b51d0dd7670406246d9ee"}], "title": "fs/ntfs3: fix deadlock in ni_read_folio_cmpr", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/ntfs3/frecord.c", "fs/ntfs3/inode.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "cfe246b318106e1691bd6c9466c739e8559d25c2", "status": "affected", "version": "f35590ee26f5722bfe12cdff14396c4c057a8f74", "versionType": "git"}, {"lessThan": "e37a75bb866c29da954b51d0dd7670406246d9ee", "status": "affected", "version": "f35590ee26f5722bfe12cdff14396c4c057a8f74", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/ntfs3/frecord.c", "fs/ntfs3/inode.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"lessThan": "6.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092", "versionEndExcluding": "6.19.4", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: fix deadlock in ni_read_folio_cmpr\n\nSyzbot reported a task hung in ni_readpage_cmpr (now ni_read_folio_cmpr).\nThis is caused by a lock inversion deadlock involving the inode mutex\n(ni_lock) and page locks.\n\nScenario:\n1. Task A enters ntfs_read_folio() for page X. It acquires ni_lock.\n2. Task A calls ni_read_folio_cmpr(), which attempts to lock all pages in\n the compressed frame (including page Y).\n3. Concurrently, Task B (e.g., via readahead) has locked page Y and\n calls ntfs_read_folio().\n4. Task B waits for ni_lock (held by A).\n5. Task A waits for page Y lock (held by B).\n -> DEADLOCK.\n\nThe fix is to restructure locking: do not take ni_lock in ntfs_read_folio().\nInstead, acquire ni_lock inside ni_read_folio_cmpr() ONLY AFTER all required\npage locks for the frame have been successfully acquired. This restores the\ncorrect lock ordering (Page Lock -> ni_lock) consistent with VFS.\n\n[almaz.alexandrovich@paragon-software.com: ni_readpage_cmpr was renamed to ni_read_folio_cmpr]"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nfs/ntfs3: corrige interbloqueo en ni_read_folio_cmpr\n\nSyzbot inform\u00f3 una tarea colgada en ni_readpage_cmpr (ahora ni_read_folio_cmpr).\nEsto es causado por un interbloqueo de inversi\u00f3n de bloqueo que involucra el mutex del inodo (ni_lock) y los bloqueos de p\u00e1gina.\n\nEscenario:\n1. La Tarea A entra en ntfs_read_folio() para la p\u00e1gina X. Adquiere ni_lock.\n2. La Tarea A llama a ni_read_folio_cmpr(), que intenta bloquear todas las p\u00e1ginas en el marco comprimido (incluida la p\u00e1gina Y).\n3. Concurrently, la Tarea B (p. ej., a trav\u00e9s de readahead) ha bloqueado la p\u00e1gina Y y llama a ntfs_read_folio().\n4. La Tarea B espera por ni_lock (retenido por A).\n5. La Tarea A espera por el bloqueo de la p\u00e1gina Y (retenido por B).\n -> INTERBLOQUEO.\n\nLa soluci\u00f3n es reestructurar el bloqueo: no tomar ni_lock en ntfs_read_folio().\nEn su lugar, adquirir ni_lock dentro de ni_read_folio_cmpr() S\u00d3LO DESPU\u00c9S de que todos los bloqueos de p\u00e1gina requeridos para el marco hayan sido adquiridos exitosamente. Esto restaura el orden de bloqueo correcto (Bloqueo de P\u00e1gina -> ni_lock) consistente con VFS.\n\n[almaz.alexandrovich@paragon-software.com: ni_readpage_cmpr fue renombrado a ni_read_folio_cmpr]"}], "id": "CVE-2025-71309", "lastModified": "2026-10-14T13:10:00.187", "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"}]}, "published": "2026-05-27T14:16:43.517", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cfe246b318106e1691bd6c9466c739e8559d25c2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e37a75bb866c29da954b51d0dd7670406246d9ee"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: fs/ntfs3: fix deadlock in ni_read_folio_cmpr", "id": "2482090", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482090"}, "csaw": false, "cwe": "CWE-833", "details": ["A flaw was found in the Linux kernel's ntfs3 filesystem driver. An issue with incorrect lock ordering between the inode mutex and page locks during compressed frame reading can lead to a deadlock. This vulnerability allows a local attacker to cause a system to hang, resulting in a Denial of Service (DoS)."], "name": "CVE-2025-71309", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71309\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71309\nhttps://lore.kernel.org/linux-cve-announce/2026052707-CVE-2025-71309-9e3c@gregkh/T"]}

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