{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38580", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.026Z", "datePublished": "2025-08-19T17:03:03.018Z", "dateUpdated": "2025-08-19T17:03:03.018Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-08-19T17:03:03.018Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix inode use after free in ext4_end_io_rsv_work()\n\nIn ext4_io_end_defer_completion(), check if io_end->list_vec is empty to\navoid adding an io_end that requires no conversion to the\ni_rsv_conversion_list, which in turn prevents starting an unnecessary\nworker. An ext4_emergency_state() check is also added to avoid attempting\nto abort the journal in an emergency state.\n\nAdditionally, ext4_put_io_end_defer() is refactored to call\next4_io_end_defer_completion() directly instead of being open-coded.\nThis also prevents starting an unnecessary worker when EXT4_IO_END_FAILED\nis set but data_err=abort is not enabled.\n\nThis ensures that the check in ext4_put_io_end_defer() is consistent with\nthe check in ext4_end_bio(). Otherwise, we might add an io_end to the\ni_rsv_conversion_list and then call ext4_finish_bio(), after which the\ninode could be freed before ext4_end_io_rsv_work() is called, triggering\na use-after-free issue."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ext4/page-io.c"], "versions": [{"version": "ce51afb8cc5e1867ea0dfdf5e92ddbe31a1fad5d", "lessThan": "ac999862b98a0f49e858e509f776be51406f1e77", "status": "affected", "versionType": "git"}, {"version": "ce51afb8cc5e1867ea0dfdf5e92ddbe31a1fad5d", "lessThan": "469c44e66e2110054949609dde095788320139d0", "status": "affected", "versionType": "git"}, {"version": "ce51afb8cc5e1867ea0dfdf5e92ddbe31a1fad5d", "lessThan": "c678bdc998754589cea2e6afab9401d7d8312ac4", "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/ext4/page-io.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.10", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.1", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17-rc1", "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": "6.15", "versionEndExcluding": "6.15.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.16.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.17-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ac999862b98a0f49e858e509f776be51406f1e77"}, {"url": "https://git.kernel.org/stable/c/469c44e66e2110054949609dde095788320139d0"}, {"url": "https://git.kernel.org/stable/c/c678bdc998754589cea2e6afab9401d7d8312ac4"}], "title": "ext4: fix inode use after free in ext4_end_io_rsv_work()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix inode use after free in ext4_end_io_rsv_work()\n\nIn ext4_io_end_defer_completion(), check if io_end->list_vec is empty to\navoid adding an io_end that requires no conversion to the\ni_rsv_conversion_list, which in turn prevents starting an unnecessary\nworker. An ext4_emergency_state() check is also added to avoid attempting\nto abort the journal in an emergency state.\n\nAdditionally, ext4_put_io_end_defer() is refactored to call\next4_io_end_defer_completion() directly instead of being open-coded.\nThis also prevents starting an unnecessary worker when EXT4_IO_END_FAILED\nis set but data_err=abort is not enabled.\n\nThis ensures that the check in ext4_put_io_end_defer() is consistent with\nthe check in ext4_end_bio(). Otherwise, we might add an io_end to the\ni_rsv_conversion_list and then call ext4_finish_bio(), after which the\ninode could be freed before ext4_end_io_rsv_work() is called, triggering\na use-after-free issue."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: se corrige el uso de inodo use after free en ext4_end_io_rsv_work() En ext4_io_end_defer_completion(), se comprueba si io_end->list_vec est\u00e1 vac\u00edo para evitar a\u00f1adir un io_end que no requiere conversi\u00f3n a i_rsv_conversion_list, lo que a su vez impide iniciar un trabajador innecesario. Tambi\u00e9n se a\u00f1ade una comprobaci\u00f3n ext4_emergency_state() para evitar intentar abortar el diario en un estado de emergencia. Adem\u00e1s, ext4_put_io_end_defer() se refactoriza para llamar a ext4_io_end_defer_completion() directamente en lugar de estar en c\u00f3digo abierto. Esto tambi\u00e9n impide iniciar un trabajador innecesario cuando EXT4_IO_END_FAILED est\u00e1 configurado pero data_err=abort no est\u00e1 habilitado. Esto garantiza que la comprobaci\u00f3n en ext4_put_io_end_defer() sea coherente con la comprobaci\u00f3n en ext4_end_bio(). De lo contrario, podr\u00edamos agregar un io_end a i_rsv_conversion_list y luego llamar a ext4_finish_bio(), despu\u00e9s de lo cual el inodo podr\u00eda liberarse antes de que se llame a ext4_end_io_rsv_work(), lo que desencadenar\u00eda un problema de use-after-free."}], "id": "CVE-2025-38580", "lastModified": "2025-08-20T14:40:17.713", "metrics": {}, "published": "2025-08-19T17:15:35.160", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/469c44e66e2110054949609dde095788320139d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ac999862b98a0f49e858e509f776be51406f1e77"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c678bdc998754589cea2e6afab9401d7d8312ac4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ext4: fix inode use after free in ext4_end_io_rsv_work()", "id": "2389472", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2389472"}, "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-2025-38580", "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": "2025-08-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38580\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38580\nhttps://lore.kernel.org/linux-cve-announce/2025081913-CVE-2025-38580-554b@gregkh/T"], "threat_severity": "Moderate"}