{"cve":"CVE-2024-56554","nvd":{"published":"2024-12-27T15:15:14.183","modified":"2026-06-17T08:12:22.707","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/7e20434cbca814cb91a0a261ca0106815ef48e5f","https://git.kernel.org/stable/c/fe39e0ea2d0ba7f508ff453c4c9a44a95ec0de29"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2024-56554","score":0.00214,"percentile":0.1179,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}