CVE-2025-71117

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71117", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:30:19.653Z", "datePublished": "2026-01-14T15:06:05.161Z", "dateUpdated": "2026-11-05T21:23:08.667Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:55:11.731Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: Remove queue freezing from several sysfs store callbacks\n\nFreezing the request queue from inside sysfs store callbacks may cause a\ndeadlock in combination with the dm-multipath driver and the\nqueue_if_no_path option. Additionally, freezing the request queue slows\ndown system boot on systems where sysfs attributes are set synchronously.\n\nFix this by removing the blk_mq_freeze_queue() / blk_mq_unfreeze_queue()\ncalls from the store callbacks that do not strictly need these callbacks.\nAdd the __data_racy annotation to request_queue.rq_timeout to suppress\nKCSAN data race reports about the rq_timeout reads.\n\nThis patch may cause a small delay in applying the new settings.\n\nFor all the attributes affected by this patch, I/O will complete\ncorrectly whether the old or the new value of the attribute is used.\n\nThis patch affects the following sysfs attributes:\n* io_poll_delay\n* io_timeout\n* nomerges\n* read_ahead_kb\n* rq_affinity\n\nHere is an example of a deadlock triggered by running test srp/002\nif this patch is not applied:\n\ntask:multipathd\nCall Trace:\n <TASK>\n __schedule+0x8c1/0x1bf0\n schedule+0xdd/0x270\n schedule_preempt_disabled+0x1c/0x30\n __mutex_lock+0xb89/0x1650\n mutex_lock_nested+0x1f/0x30\n dm_table_set_restrictions+0x823/0xdf0\n __bind+0x166/0x590\n dm_swap_table+0x2a7/0x490\n do_resume+0x1b1/0x610\n dev_suspend+0x55/0x1a0\n ctl_ioctl+0x3a5/0x7e0\n dm_ctl_ioctl+0x12/0x20\n __x64_sys_ioctl+0x127/0x1a0\n x64_sys_call+0xe2b/0x17d0\n do_syscall_64+0x96/0x3a0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n </TASK>\ntask:(udev-worker)\nCall Trace:\n <TASK>\n __schedule+0x8c1/0x1bf0\n schedule+0xdd/0x270\n blk_mq_freeze_queue_wait+0xf2/0x140\n blk_mq_freeze_queue_nomemsave+0x23/0x30\n queue_ra_store+0x14e/0x290\n queue_attr_store+0x23e/0x2c0\n sysfs_kf_write+0xde/0x140\n kernfs_fop_write_iter+0x3b2/0x630\n vfs_write+0x4fd/0x1390\n ksys_write+0xfd/0x230\n __x64_sys_write+0x76/0xc0\n x64_sys_call+0x276/0x17d0\n do_syscall_64+0x96/0x3a0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n </TASK>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["block/blk-sysfs.c", "include/linux/blkdev.h"], "versions": [{"version": "af2814149883e2c1851866ea2afcd8eadc040f79", "lessThan": "3997b3147c7b68b0308378fa95a766015f8ceb1c", "status": "affected", "versionType": "git"}, {"version": "af2814149883e2c1851866ea2afcd8eadc040f79", "lessThan": "935a20d1bebf6236076785fac3ff81e3931834e9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["block/blk-sysfs.c", "include/linux/blkdev.h"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.3", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "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": "6.11", "versionEndExcluding": "6.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3997b3147c7b68b0308378fa95a766015f8ceb1c"}, {"url": "https://git.kernel.org/stable/c/935a20d1bebf6236076785fac3ff81e3931834e9"}], "title": "block: Remove queue freezing from several sysfs store callbacks", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-71117", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-05T21:14:13.909970Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T21:23:08.667Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["block/blk-sysfs.c", "include/linux/blkdev.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3997b3147c7b68b0308378fa95a766015f8ceb1c", "status": "affected", "version": "af2814149883e2c1851866ea2afcd8eadc040f79", "versionType": "git"}, {"lessThan": "935a20d1bebf6236076785fac3ff81e3931834e9", "status": "affected", "version": "af2814149883e2c1851866ea2afcd8eadc040f79", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["block/blk-sysfs.c", "include/linux/blkdev.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"lessThan": "6.11", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.19", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "668B211C-C2AF-4557-9E0A-EF4A002296C0", "versionEndExcluding": "6.18.3", "versionStartIncluding": "6.11.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:-:*:*:*:*:*:*", "matchCriteriaId": "4770BA57-3F3F-493B-8608-EC3B25254949", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*", "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*", "matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*", "matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*", "matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*", "matchCriteriaId": "F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*", "matchCriteriaId": "EB5B7DFC-C36B-45D8-922C-877569FDDF43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: Remove queue freezing from several sysfs store callbacks\n\nFreezing the request queue from inside sysfs store callbacks may cause a\ndeadlock in combination with the dm-multipath driver and the\nqueue_if_no_path option. Additionally, freezing the request queue slows\ndown system boot on systems where sysfs attributes are set synchronously.\n\nFix this by removing the blk_mq_freeze_queue() / blk_mq_unfreeze_queue()\ncalls from the store callbacks that do not strictly need these callbacks.\nAdd the __data_racy annotation to request_queue.rq_timeout to suppress\nKCSAN data race reports about the rq_timeout reads.\n\nThis patch may cause a small delay in applying the new settings.\n\nFor all the attributes affected by this patch, I/O will complete\ncorrectly whether the old or the new value of the attribute is used.\n\nThis patch affects the following sysfs attributes:\n* io_poll_delay\n* io_timeout\n* nomerges\n* read_ahead_kb\n* rq_affinity\n\nHere is an example of a deadlock triggered by running test srp/002\nif this patch is not applied:\n\ntask:multipathd\nCall Trace:\n <TASK>\n __schedule+0x8c1/0x1bf0\n schedule+0xdd/0x270\n schedule_preempt_disabled+0x1c/0x30\n __mutex_lock+0xb89/0x1650\n mutex_lock_nested+0x1f/0x30\n dm_table_set_restrictions+0x823/0xdf0\n __bind+0x166/0x590\n dm_swap_table+0x2a7/0x490\n do_resume+0x1b1/0x610\n dev_suspend+0x55/0x1a0\n ctl_ioctl+0x3a5/0x7e0\n dm_ctl_ioctl+0x12/0x20\n __x64_sys_ioctl+0x127/0x1a0\n x64_sys_call+0xe2b/0x17d0\n do_syscall_64+0x96/0x3a0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n </TASK>\ntask:(udev-worker)\nCall Trace:\n <TASK>\n __schedule+0x8c1/0x1bf0\n schedule+0xdd/0x270\n blk_mq_freeze_queue_wait+0xf2/0x140\n blk_mq_freeze_queue_nomemsave+0x23/0x30\n queue_ra_store+0x14e/0x290\n queue_attr_store+0x23e/0x2c0\n sysfs_kf_write+0xde/0x140\n kernfs_fop_write_iter+0x3b2/0x630\n vfs_write+0x4fd/0x1390\n ksys_write+0xfd/0x230\n __x64_sys_write+0x76/0xc0\n x64_sys_call+0x276/0x17d0\n do_syscall_64+0x96/0x3a0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n </TASK>"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nblock: Eliminar la congelaci\u00f3n de la cola de varias devoluciones de llamada de almacenamiento de sysfs\n\nCongelar la cola de solicitudes desde dentro de las devoluciones de llamada de almacenamiento de sysfs puede causar un interbloqueo en combinaci\u00f3n con el controlador dm-multipath y la opci\u00f3n queue_if_no_path. Adem\u00e1s, congelar la cola de solicitudes ralentiza el arranque del sistema en sistemas donde los atributos de sysfs se configuran sincr\u00f3nicamente.\n\nSolucione esto eliminando las llamadas blk_mq_freeze_queue() / blk_mq_unfreeze_queue() de las devoluciones de llamada de almacenamiento que no necesitan estrictamente estas devoluciones de llamada. Agregue la anotaci\u00f3n __data_racy a request_queue.rq_timeout para suprimir los informes de condici\u00f3n de carrera de datos de KCSAN sobre las lecturas de rq_timeout.\n\nEste parche puede causar un peque\u00f1o retraso al aplicar las nuevas configuraciones.\n\nPara todos los atributos afectados por este parche, la E/S se completar\u00e1 correctamente ya sea que se utilice el valor antiguo o el nuevo del atributo.\n\nEste parche afecta a los siguientes atributos de sysfs:\n* io_poll_delay\n* io_timeout\n* nomerges\n* read_ahead_kb\n* rq_affinity\n\nAqu\u00ed hay un ejemplo de un interbloqueo desencadenado al ejecutar la prueba srp/002 si este parche no se aplica:\n\ntarea:multipathd\nRastro de Llamada:\n \n __schedule+0x8c1/0x1bf0\n schedule+0xdd/0x270\n schedule_preempt_disabled+0x1c/0x30\n __mutex_lock+0xb89/0x1650\n mutex_lock_nested+0x1f/0x30\n dm_table_set_restrictions+0x823/0xdf0\n __bind+0x166/0x590\n dm_swap_table+0x2a7/0x490\n do_resume+0x1b1/0x610\n dev_suspend+0x55/0x1a0\n ctl_ioctl+0x3a5/0x7e0\n dm_ctl_ioctl+0x12/0x20\n __x64_sys_ioctl+0x127/0x1a0\n x64_sys_call+0xe2b/0x17d0\n do_syscall_64+0x96/0x3a0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n \ntarea:(udev-worker)\nRastro de Llamada:\n \n __schedule+0x8c1/0x1bf0\n schedule+0xdd/0x270\n blk_mq_freeze_queue_wait+0xf2/0x140\n blk_mq_freeze_queue_nomemsave+0x23/0x30\n queue_ra_store+0x14e/0x290\n queue_attr_store+0x23e/0x2c0\n sysfs_kf_write+0xde/0x140\n kernfs_fop_write_iter+0x3b2/0x630\n vfs_write+0x4fd/0x1390\n ksys_write+0xfd/0x230\n __x64_sys_write+0x76/0xc0\n x64_sys_call+0x276/0x17d0\n do_syscall_64+0x96/0x3a0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n "}], "id": "CVE-2025-71117", "lastModified": "2026-11-05T22:17:37.320", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-71117", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T21:14:13.909970Z", "version": "2.0.3"}}]}, "published": "2026-01-14T15:16:01.383", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3997b3147c7b68b0308378fa95a766015f8ceb1c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/935a20d1bebf6236076785fac3ff81e3931834e9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: block: Remove queue freezing from several sysfs store callbacks", "id": "2429589", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429589"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-71117", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "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": "2026-01-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71117\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71117\nhttps://lore.kernel.org/linux-cve-announce/2026011414-CVE-2025-71117-0e3e@gregkh/T"], "threat_severity": "Moderate"}

{}