CVE-2025-38141

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Otherwise we might miss a call to\ndm_put_live_table().\n\nFinally, while md->zone_revalidate_map is set and a process is calling\nblk_revalidate_disk_zones() to set up the zone append emulation\nresources, it is possible that another process, perhaps triggered by\nblkdev_report_zones_ioctl(), will call dm_blk_report_zones(). If\nblk_revalidate_disk_zones() fails, these resources can be freed while\nthe other process is still using them, causing a use-after-free error.\n\nblk_revalidate_disk_zones() will only ever be called when initially\nsetting up the zone append emulation resources, such as when setting up\na zoned dm-crypt table for the first time. Further table swaps will not\nset md->zone_revalidate_map or call blk_revalidate_disk_zones().\nHowever it must be called using the new table (referenced by\nmd->zone_revalidate_map) and the new queue limits while the DM device is\nsuspended. dm_blk_report_zones() needs some way to distinguish between a\ncall from blk_revalidate_disk_zones(), which must be allowed to use\nmd->zone_revalidate_map to access this not yet activated table, and all\nother calls to dm_blk_report_zones(), which should not be allowed while\nthe device is suspended and cannot use md->zone_revalidate_map, since\nthe zone resources might be freed by the process currently calling\nblk_revalidate_disk_zones().\n\nSolve this by tracking the process that sets md->zone_revalidate_map in\ndm_revalidate_zones() and only allowing that process to make use of it\nin dm_blk_report_zones()."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable function is reached through the BLKREPORTZONE/BLKREPORTZONEV2 ioctl on a device-mapper block device node (blkdev_common_ioctl \u2192 blkdev_report_zones_ioctl \u2192 blkdev_report_zones \u2192 dm_blk_report_zones), i.e. a local syscall on a local device file. No network or remote peer data is involved.\nAC:L - The attacker fully controls their side of the race and can spin the ioctl at thousands of calls per second, while the vulnerable window \u2014 a whole-device zone revalidation on an SMR/ZNS device plus the entire DM_TABLE_LOAD-to-resume gap where md->map is NULL \u2014 is wide and recurs on every zoned DM table setup, so no condition outside the attacker's influence has to fall into place.\nPR:L - BLKREPORTZONE is handled in blkdev_common_ioctl() with no capable() check and without requiring FMODE_WRITE, so any local user able to open the DM device read-only (disk-group member, container with the device exposed, or an unprivileged process on an embedded/Android zoned-storage system) can drive the ioctl loop.\nUI:N - The attacker only needs to loop on the ioctl; the zone revalidation and the loaded-but-unresumed table state occur automatically during normal device setup at boot, hotplug, or storage-daemon activity, with no victim action required.\nS:U - The use-after-free, out-of-bounds per-CPU increment, and hang are all confined to the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - A racing report walks a dm_table freed by dm_table_destroy() and zone resources freed by disk_free_zone_resources(), reading freed struct dm_target/dm_table contents and returning the resulting zone descriptors to userspace via blkdev_copy_zone_to_user(), and the SRCU counter imbalance from the garbage srcu_idx lets grace periods end early and expose further freed objects.\nI:H - dm_blk_do_report_zones() loads and calls tgt->type->report_zones out of a freed dm_table, giving a control-flow hijack primitive once the slab is reclaimed, and srcu_read_unlock() with an uninitialized stack index performs an out-of-bounds this_cpu_inc() past srcu_ctrs[] into adjacent per-CPU memory.\nA:H - The missing dm_put_live_table() permanently leaks an SRCU read-side critical section, so every later synchronize_srcu(&md->io_barrier) \u2014 table swap, suspend, or device removal \u2014 blocks forever in an unkillable D state while holding md->suspend_lock, wedging dmsetup; independently, the use-after-free on the freed table produces an oops or panic."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/dm-core.h", "drivers/md/dm-zone.c"], "versions": [{"version": "f211268ed1f9bdf48f06a3ead5f5d88437450579", "lessThan": "f9c1bdf24615303d48a2d0fd629c88f3189563aa", "status": "affected", "versionType": "git"}, {"version": "f211268ed1f9bdf48f06a3ead5f5d88437450579", "lessThan": "d19bc1b4dd5f322980b1f05f79b2ea4f0db10920", "status": "affected", "versionType": "git"}, {"version": "f211268ed1f9bdf48f06a3ead5f5d88437450579", "lessThan": "37f53a2c60d03743e0eacf7a0c01c279776fef4e", "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/dm-core.h", "drivers/md/dm-zone.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.34", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.3", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "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": "6.10", "versionEndExcluding": "6.12.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.15.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f9c1bdf24615303d48a2d0fd629c88f3189563aa"}, {"url": "https://git.kernel.org/stable/c/d19bc1b4dd5f322980b1f05f79b2ea4f0db10920"}, {"url": "https://git.kernel.org/stable/c/37f53a2c60d03743e0eacf7a0c01c279776fef4e"}], "title": "dm: fix dm_blk_report_zones", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-38141", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-10T20:40:19.111521Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-11T17:53:37.417Z"}}]}}

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Also, it is possible that md->zone_revalidate_map will change\nwhile calling this function. Only read it once, so that we are always\nusing the same value. Otherwise we might miss a call to\ndm_put_live_table().\n\nFinally, while md->zone_revalidate_map is set and a process is calling\nblk_revalidate_disk_zones() to set up the zone append emulation\nresources, it is possible that another process, perhaps triggered by\nblkdev_report_zones_ioctl(), will call dm_blk_report_zones(). If\nblk_revalidate_disk_zones() fails, these resources can be freed while\nthe other process is still using them, causing a use-after-free error.\n\nblk_revalidate_disk_zones() will only ever be called when initially\nsetting up the zone append emulation resources, such as when setting up\na zoned dm-crypt table for the first time. Further table swaps will not\nset md->zone_revalidate_map or call blk_revalidate_disk_zones().\nHowever it must be called using the new table (referenced by\nmd->zone_revalidate_map) and the new queue limits while the DM device is\nsuspended. dm_blk_report_zones() needs some way to distinguish between a\ncall from blk_revalidate_disk_zones(), which must be allowed to use\nmd->zone_revalidate_map to access this not yet activated table, and all\nother calls to dm_blk_report_zones(), which should not be allowed while\nthe device is suspended and cannot use md->zone_revalidate_map, since\nthe zone resources might be freed by the process currently calling\nblk_revalidate_disk_zones().\n\nSolve this by tracking the process that sets md->zone_revalidate_map in\ndm_revalidate_zones() and only allowing that process to make use of it\nin dm_blk_report_zones()."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.34", "versionStartIncluding": "6.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.15.3", "versionStartIncluding": "6.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.16", "versionStartIncluding": "6.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-30T05:51:40.314Z"}}}, "cveMetadata": {"cveId": "CVE-2025-38141", "state": "PUBLISHED", "dateUpdated": "2026-07-30T05:51:40.314Z", "dateReserved": "2025-04-16T04:51:23.987Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-07-03T08:35:42.787Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/md/dm-core.h", "drivers/md/dm-zone.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f9c1bdf24615303d48a2d0fd629c88f3189563aa", "status": "affected", "version": "f211268ed1f9bdf48f06a3ead5f5d88437450579", "versionType": "git"}, {"lessThan": "d19bc1b4dd5f322980b1f05f79b2ea4f0db10920", "status": "affected", "version": "f211268ed1f9bdf48f06a3ead5f5d88437450579", "versionType": "git"}, {"lessThan": "37f53a2c60d03743e0eacf7a0c01c279776fef4e", "status": "affected", "version": "f211268ed1f9bdf48f06a3ead5f5d88437450579", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/md/dm-core.h", "drivers/md/dm-zone.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"lessThan": "6.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.34", "versionType": "semver"}, {"lessThanOrEqual": "6.15.*", "status": "unaffected", "version": "6.15.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.16", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F6499D2B-1E57-44BB-866C-D74E63C32759", "versionEndExcluding": "6.12.34", "versionStartIncluding": "6.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0541C761-BD5E-4C1A-8432-83B375D7EB92", "versionEndExcluding": "6.15.3", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm: fix dm_blk_report_zones\n\nIf dm_get_live_table() returned NULL, dm_put_live_table() was never\ncalled. Also, it is possible that md->zone_revalidate_map will change\nwhile calling this function. Only read it once, so that we are always\nusing the same value. Otherwise we might miss a call to\ndm_put_live_table().\n\nFinally, while md->zone_revalidate_map is set and a process is calling\nblk_revalidate_disk_zones() to set up the zone append emulation\nresources, it is possible that another process, perhaps triggered by\nblkdev_report_zones_ioctl(), will call dm_blk_report_zones(). If\nblk_revalidate_disk_zones() fails, these resources can be freed while\nthe other process is still using them, causing a use-after-free error.\n\nblk_revalidate_disk_zones() will only ever be called when initially\nsetting up the zone append emulation resources, such as when setting up\na zoned dm-crypt table for the first time. Further table swaps will not\nset md->zone_revalidate_map or call blk_revalidate_disk_zones().\nHowever it must be called using the new table (referenced by\nmd->zone_revalidate_map) and the new queue limits while the DM device is\nsuspended. dm_blk_report_zones() needs some way to distinguish between a\ncall from blk_revalidate_disk_zones(), which must be allowed to use\nmd->zone_revalidate_map to access this not yet activated table, and all\nother calls to dm_blk_report_zones(), which should not be allowed while\nthe device is suspended and cannot use md->zone_revalidate_map, since\nthe zone resources might be freed by the process currently calling\nblk_revalidate_disk_zones().\n\nSolve this by tracking the process that sets md->zone_revalidate_map in\ndm_revalidate_zones() and only allowing that process to make use of it\nin dm_blk_report_zones()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dm: fix dm_blk_report_zones Si dm_get_live_table() devolv\u00eda NULL, dm_put_live_table() nunca se llamaba. Adem\u00e1s, es posible que md->zone_revalidate_map cambie al llamar a esta funci\u00f3n. Solo l\u00e9alo una vez, para que siempre usemos el mismo valor. De lo contrario, podr\u00edamos perder una llamada a dm_put_live_table(). Finalmente, mientras md->zone_revalidate_map est\u00e1 configurado y un proceso est\u00e1 llamando a blk_revalidate_disk_zones() para configurar los recursos de emulaci\u00f3n de anexi\u00f3n de zona, es posible que otro proceso, quiz\u00e1s activado por blkdev_report_zones_ioctl(), llame a dm_blk_report_zones(). Si blk_revalidate_disk_zones() falla, estos recursos pueden liberarse mientras el otro proceso a\u00fan los est\u00e1 usando, causando un error de uso despu\u00e9s de liberaci\u00f3n. blk_revalidate_disk_zones() solo se llamar\u00e1 al configurar inicialmente los recursos de emulaci\u00f3n de anexi\u00f3n de zona, como al configurar una tabla dm-crypt zonificada por primera vez. Los intercambios de tabla posteriores no establecer\u00e1n md->zone_revalidate_map ni llamar\u00e1n a blk_revalidate_disk_zones(). Sin embargo, debe llamarse utilizando la nueva tabla (referenciada por md->zone_revalidate_map) y los nuevos l\u00edmites de cola mientras el dispositivo DM est\u00e9 suspendido. dm_blk_report_zones() necesita distinguir entre una llamada a blk_revalidate_disk_zones(), que debe permitir el uso de md->zone_revalidate_map para acceder a esta tabla a\u00fan no activada, y todas las dem\u00e1s llamadas a dm_blk_report_zones(), que no deben permitirse mientras el dispositivo est\u00e9 suspendido y no puedan usar md->zone_revalidate_map, ya que los recursos de la zona podr\u00edan ser liberados por el proceso que llama a blk_revalidate_disk_zones(). Para solucionar esto, se debe rastrear el proceso que establece md->zone_revalidate_map en dm_revalidate_zones() y permitir que solo ese proceso lo use en dm_blk_report_zones()."}], "id": "CVE-2025-38141", "lastModified": "2026-07-30T06:22:54.850", "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-38141", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-10T20:40:19.111521Z", "version": "2.0.3"}}]}, "published": "2025-07-03T09:15:28.740", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/37f53a2c60d03743e0eacf7a0c01c279776fef4e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d19bc1b4dd5f322980b1f05f79b2ea4f0db10920"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f9c1bdf24615303d48a2d0fd629c88f3189563aa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: dm: fix dm_blk_report_zones", "id": "2376052", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376052"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\ndm: fix dm_blk_report_zones\nIf dm_get_live_table() returned NULL, dm_put_live_table() was never\ncalled. Also, it is possible that md->zone_revalidate_map will change\nwhile calling this function. Only read it once, so that we are always\nusing the same value. Otherwise we might miss a call to\ndm_put_live_table().\nFinally, while md->zone_revalidate_map is set and a process is calling\nblk_revalidate_disk_zones() to set up the zone append emulation\nresources, it is possible that another process, perhaps triggered by\nblkdev_report_zones_ioctl(), will call dm_blk_report_zones(). If\nblk_revalidate_disk_zones() fails, these resources can be freed while\nthe other process is still using them, causing a use-after-free error.\nblk_revalidate_disk_zones() will only ever be called when initially\nsetting up the zone append emulation resources, such as when setting up\na zoned dm-crypt table for the first time. Further table swaps will not\nset md->zone_revalidate_map or call blk_revalidate_disk_zones().\nHowever it must be called using the new table (referenced by\nmd->zone_revalidate_map) and the new queue limits while the DM device is\nsuspended. dm_blk_report_zones() needs some way to distinguish between a\ncall from blk_revalidate_disk_zones(), which must be allowed to use\nmd->zone_revalidate_map to access this not yet activated table, and all\nother calls to dm_blk_report_zones(), which should not be allowed while\nthe device is suspended and cannot use md->zone_revalidate_map, since\nthe zone resources might be freed by the process currently calling\nblk_revalidate_disk_zones().\nSolve this by tracking the process that sets md->zone_revalidate_map in\ndm_revalidate_zones() and only allowing that process to make use of it\nin dm_blk_report_zones()."], "name": "CVE-2025-38141", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "2025-07-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38141\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38141\nhttps://lore.kernel.org/linux-cve-announce/2025070333-CVE-2025-38141-560e@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-06T22:16:23.515877+00:00", "updated": "2025-07-06T22:16:23.515933+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}