{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2023-52609", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-06T09:52:12.088Z", "datePublished": "2024-03-18T10:07:45.486Z", "dateUpdated": "2024-12-19T08:22:32.607Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T08:22:32.607Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix race between mmput() and do_exit()\n\nTask A calls binder_update_page_range() to allocate and insert pages on\na remote address space from Task B. For this, Task A pins the remote mm\nvia mmget_not_zero() first. This can race with Task B do_exit() and the\nfinal mmput() refcount decrement will come from Task A.\n\n Task A | Task B\n ------------------+------------------\n mmget_not_zero() |\n | do_exit()\n | exit_mm()\n | mmput()\n mmput() |\n exit_mmap() |\n remove_vma() |\n fput() |\n\nIn this case, the work of ____fput() from Task B is queued up in Task A\nas TWA_RESUME. So in theory, Task A returns to userspace and the cleanup\nwork gets executed. However, Task A instead sleep, waiting for a reply\nfrom Task B that never comes (it's dead).\n\nThis means the binder_deferred_release() is blocked until an unrelated\nbinder event forces Task A to go back to userspace. All the associated\ndeath notifications will also be delayed until then.\n\nIn order to fix this use mmput_async() that will schedule the work in\nthe corresponding mm->async_put_work WQ instead of Task A."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/android/binder_alloc.c"], "versions": [{"version": "457b9a6f09f011ebcb9b52cc203a6331a6fc2de7", "lessThan": "95b1d336b0642198b56836b89908d07b9a0c9608", "status": "affected", "versionType": "git"}, {"version": "457b9a6f09f011ebcb9b52cc203a6331a6fc2de7", "lessThan": "252a2a5569eb9f8d16428872cc24dea1ac0bb097", "status": "affected", "versionType": "git"}, {"version": "457b9a6f09f011ebcb9b52cc203a6331a6fc2de7", "lessThan": "7e7a0d86542b0ea903006d3f42f33c4f7ead6918", "status": "affected", "versionType": "git"}, {"version": "457b9a6f09f011ebcb9b52cc203a6331a6fc2de7", "lessThan": 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[{"status": "affected", "version": "457b9a6f09f0", "lessThan": "95b1d336b064", "versionType": "git"}, {"status": "affected", "version": "457b9a6f09f0", "lessThan": "252a2a5569eb", "versionType": "git"}, {"status": "affected", "version": "457b9a6f09f0", "lessThan": "7e7a0d86542b", "versionType": "git"}, {"status": "affected", "version": "457b9a6f09f0", "lessThan": "98fee5bee97a", "versionType": "git"}, {"status": "affected", "version": "457b9a6f09f0", "lessThan": "6696f76c32ff", "versionType": "git"}, {"status": "affected", "version": "457b9a6f09f0", "lessThan": "67f16bf2cc16", "versionType": "git"}, {"status": "affected", "version": "457b9a6f09f0", "lessThan": "77d210e8db4d", "versionType": "git"}, {"status": "affected", "version": "457b9a6f09f0", "lessThan": "9a9ab0d96362", "versionType": "git"}], "programFiles": ["drivers/android/binder_alloc.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.29"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.29", "versionType": "semver"}, {"status": "unaffected", "version": "4.19.306", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.268", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.209", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.148", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.75", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.14", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.2", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/android/binder_alloc.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/95b1d336b0642198b56836b89908d07b9a0c9608"}, {"url": "https://git.kernel.org/stable/c/252a2a5569eb9f8d16428872cc24dea1ac0bb097"}, {"url": "https://git.kernel.org/stable/c/7e7a0d86542b0ea903006d3f42f33c4f7ead6918"}, {"url": "https://git.kernel.org/stable/c/98fee5bee97ad47b527a997d5786410430d1f0e9"}, {"url": "https://git.kernel.org/stable/c/6696f76c32ff67fec26823fc2df46498e70d9bf3"}, {"url": "https://git.kernel.org/stable/c/67f16bf2cc1698fd50e01ee8a2becc5a8e6d3a3e"}, {"url": "https://git.kernel.org/stable/c/77d210e8db4d61d43b2d16df66b1ec46fad2ee01"}, {"url": "https://git.kernel.org/stable/c/9a9ab0d963621d9d12199df9817e66982582d5a5"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix race between mmput() and do_exit()\n\nTask A calls binder_update_page_range() to allocate and insert pages on\na remote address space from Task B. For this, Task A pins the remote mm\nvia mmget_not_zero() first. This can race with Task B do_exit() and the\nfinal mmput() refcount decrement will come from Task A.\n\n Task A | Task B\n ------------------+------------------\n mmget_not_zero() |\n | do_exit()\n | exit_mm()\n | mmput()\n mmput() |\n exit_mmap() |\n remove_vma() |\n fput() |\n\nIn this case, the work of ____fput() from Task B is queued up in Task A\nas TWA_RESUME. So in theory, Task A returns to userspace and the cleanup\nwork gets executed. However, Task A instead sleep, waiting for a reply\nfrom Task B that never comes (it's dead).\n\nThis means the binder_deferred_release() is blocked until an unrelated\nbinder event forces Task A to go back to userspace. All the associated\ndeath notifications will also be delayed until then.\n\nIn order to fix this use mmput_async() that will schedule the work in\nthe corresponding mm->async_put_work WQ instead of Task A."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T12:34:29.457Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52609", "state": "PUBLISHED", "dateUpdated": "2024-11-04T12:34:29.457Z", "dateReserved": "2024-03-06T09:52:12.088Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-18T10:07:45.486Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix race between mmput() and do_exit()\n\nTask A calls binder_update_page_range() to allocate and insert pages on\na remote address space from Task B. For this, Task A pins the remote mm\nvia mmget_not_zero() first. This can race with Task B do_exit() and the\nfinal mmput() refcount decrement will come from Task A.\n\n Task A | Task B\n ------------------+------------------\n mmget_not_zero() |\n | do_exit()\n | exit_mm()\n | mmput()\n mmput() |\n exit_mmap() |\n remove_vma() |\n fput() |\n\nIn this case, the work of ____fput() from Task B is queued up in Task A\nas TWA_RESUME. So in theory, Task A returns to userspace and the cleanup\nwork gets executed. However, Task A instead sleep, waiting for a reply\nfrom Task B that never comes (it's dead).\n\nThis means the binder_deferred_release() is blocked until an unrelated\nbinder event forces Task A to go back to userspace. All the associated\ndeath notifications will also be delayed until then.\n\nIn order to fix this use mmput_async() that will schedule the work in\nthe corresponding mm->async_put_work WQ instead of Task A."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: binder: corrige la ejecuci\u00f3n entre mmput() y do_exit() La tarea A llama a binder_update_page_range() para asignar e insertar p\u00e1ginas en un espacio de direcciones remoto desde la tarea B. Para esto, la tarea A fija el mm remoto a trav\u00e9s de mmget_not_zero() primero. Esto puede competir con la Tarea B do_exit() y la disminuci\u00f3n final del recuento de mmput() provendr\u00e1 de la Tarea A. Tarea A | Tarea B ------------------+------------------ mmget_not_zero() | | hacer_salir() | salida_mm() | mmput() mmput() | salida_mmap() | eliminar_vma() | salida() | En este caso, el trabajo de ____fput() de la Tarea B se pone en cola en la Tarea A como TWA_RESUME. Entonces, en teor\u00eda, la Tarea A regresa al espacio de usuario y se ejecuta el trabajo de limpieza. Sin embargo, la Tarea A duerme, esperando una respuesta de la Tarea B que nunca llega (est\u00e1 muerta). Esto significa que binder_deferred_release() est\u00e1 bloqueado hasta que un evento de carpeta no relacionado obligue a la Tarea A a regresar al espacio de usuario. Todas las notificaciones de defunci\u00f3n asociadas tambi\u00e9n se retrasar\u00e1n hasta entonces. Para solucionar este problema, utilice mmput_async() que programar\u00e1 el trabajo en el mm->async_put_work WQ correspondiente en lugar de la Tarea A."}], "id": "CVE-2023-52609", "lastModified": "2024-11-21T08:40:11.410", "metrics": {}, "published": "2024-03-18T11:15:07.743", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/252a2a5569eb9f8d16428872cc24dea1ac0bb097"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6696f76c32ff67fec26823fc2df46498e70d9bf3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/67f16bf2cc1698fd50e01ee8a2becc5a8e6d3a3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/77d210e8db4d61d43b2d16df66b1ec46fad2ee01"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e7a0d86542b0ea903006d3f42f33c4f7ead6918"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/95b1d336b0642198b56836b89908d07b9a0c9608"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/98fee5bee97ad47b527a997d5786410430d1f0e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a9ab0d963621d9d12199df9817e66982582d5a5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/252a2a5569eb9f8d16428872cc24dea1ac0bb097"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/6696f76c32ff67fec26823fc2df46498e70d9bf3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/67f16bf2cc1698fd50e01ee8a2becc5a8e6d3a3e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/77d210e8db4d61d43b2d16df66b1ec46fad2ee01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/7e7a0d86542b0ea903006d3f42f33c4f7ead6918"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/95b1d336b0642198b56836b89908d07b9a0c9608"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/98fee5bee97ad47b527a997d5786410430d1f0e9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/9a9ab0d963621d9d12199df9817e66982582d5a5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: binder: fix race between mmput() and do_exit()", "id": "2270082", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2270082"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-362", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbinder: fix race between mmput() and do_exit()\nTask A calls binder_update_page_range() to allocate and insert pages on\na remote address space from Task B. For this, Task A pins the remote mm\nvia mmget_not_zero() first. This can race with Task B do_exit() and the\nfinal mmput() refcount decrement will come from Task A.\nTask A | Task B\n------------------+------------------\nmmget_not_zero() |\n| do_exit()\n| exit_mm()\n| mmput()\nmmput() |\nexit_mmap() |\nremove_vma() |\nfput() |\nIn this case, the work of ____fput() from Task B is queued up in Task A\nas TWA_RESUME. So in theory, Task A returns to userspace and the cleanup\nwork gets executed. However, Task A instead sleep, waiting for a reply\nfrom Task B that never comes (it's dead).\nThis means the binder_deferred_release() is blocked until an unrelated\nbinder event forces Task A to go back to userspace. All the associated\ndeath notifications will also be delayed until then.\nIn order to fix this use mmput_async() that will schedule the work in\nthe corresponding mm->async_put_work WQ instead of Task A."], "name": "CVE-2023-52609", "package_state": [{"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": "2024-03-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52609\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52609\nhttps://lore.kernel.org/linux-cve-announce/[email protected]/T"], "threat_severity": "Low", "upstream_fix": "kernel 4.19.306, kernel 5.4.268, kernel 5.10.209, kernel 5.15.148, kernel 6.1.75, kernel 6.6.14, kernel 6.7.2, kernel 6.8"}