CVE-2024-56554

{"id": "CVE-2024-56554", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-12-27T15:15:14.183", "references": [{"url": "https://git.kernel.org/stable/c/7e20434cbca814cb91a0a261ca0106815ef48e5f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fe39e0ea2d0ba7f508ff453c4c9a44a95ec0de29", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix freeze UAF in binder_release_work()\n\nWhen a binder reference is cleaned up, any freeze work queued in the\nassociated process should also be removed. Otherwise, the reference is\nfreed while its ref->freeze.work is still queued in proc->work leading\nto a use-after-free issue as shown by the following KASAN report:\n\n ==================================================================\n BUG: KASAN: slab-use-after-free in binder_release_work+0x398/0x3d0\n Read of size 8 at addr ffff31600ee91488 by task kworker/5:1/211\n\n CPU: 5 UID: 0 PID: 211 Comm: kworker/5:1 Not tainted 6.11.0-rc7-00382-gfc6c92196396 #22\n Hardware name: linux,dummy-virt (DT)\n Workqueue: events binder_deferred_func\n Call trace:\n binder_release_work+0x398/0x3d0\n binder_deferred_func+0xb60/0x109c\n process_one_work+0x51c/0xbd4\n worker_thread+0x608/0xee8\n\n Allocated by task 703:\n __kmalloc_cache_noprof+0x130/0x280\n binder_thread_write+0xdb4/0x42a0\n binder_ioctl+0x18f0/0x25ac\n __arm64_sys_ioctl+0x124/0x190\n invoke_syscall+0x6c/0x254\n\n Freed by task 211:\n kfree+0xc4/0x230\n binder_deferred_func+0xae8/0x109c\n process_one_work+0x51c/0xbd4\n worker_thread+0x608/0xee8\n ==================================================================\n\nThis commit fixes the issue by ensuring any queued freeze work is removed\nwhen cleaning up a binder reference."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: binder: correcci\u00f3n del UAF congelado en binder_release_work() Cuando se limpia una referencia de binder, cualquier trabajo congelado en cola en el proceso asociado tambi\u00e9n debe eliminarse. De lo contrario, la referencia se libera mientras su ref->freeze.work todav\u00eda est\u00e1 en cola en proc->work, lo que genera un problema de use-after-free, como lo muestra el siguiente informe de KASAN: ====================================================================== ERROR: KASAN: slab-use-after-free en binder_release_work+0x398/0x3d0 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff31600ee91488 por la tarea kworker/5:1/211 CPU: 5 UID: 0 PID: 211 Comm: kworker/5:1 No contaminado 6.11.0-rc7-00382-gfc6c92196396 #22 Hardware nombre: linux,dummy-virt (DT) Cola de trabajo: eventos binder_deferred_func Rastreo de llamadas: binder_release_work+0x398/0x3d0 binder_deferred_func+0xb60/0x109c process_one_work+0x51c/0xbd4 worker_thread+0x608/0xee8 Asignado por la tarea 703: __kmalloc_cache_noprof+0x130/0x280 binder_thread_write+0xdb4/0x42a0 binder_ioctl+0x18f0/0x25ac __arm64_sys_ioctl+0x124/0x190 activate_syscall+0x6c/0x254 Liberado por la tarea 211: kfree+0xc4/0x230 binder_deferred_func+0xae8/0x109c process_one_work+0x51c/0xbd4 worker_thread+0x608/0xee8 ======================================================================= Este commit corrige el problema al garantizar que cualquier trabajo de congelamiento en cola se elimine al limpiar una referencia de binder."}], "lastModified": "2025-02-10T18:15:30.680", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "938626A1-5477-4679-A5E2-2AADE66DEDCA", "versionEndExcluding": "6.12.4", "versionStartIncluding": "6.12"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}