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25 lines
2.1 KiB
JSON
25 lines
2.1 KiB
JSON
{
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"id": "CVE-2024-56554",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-12-27T15:15:14.183",
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"lastModified": "2024-12-27T15:15:14.183",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"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."
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/7e20434cbca814cb91a0a261ca0106815ef48e5f",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/fe39e0ea2d0ba7f508ff453c4c9a44a95ec0de29",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |