{"id":"CVE-2022-48857","summary":"NFC: port100: fix use-after-free in port100_send_complete","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: port100: fix use-after-free in port100_send_complete\n\nSyzbot reported UAF in port100_send_complete(). The root case is in\nmissing usb_kill_urb() calls on error handling path of -\u003eprobe function.\n\nport100_send_complete() accesses devm allocated memory which will be\nfreed on probe failure. We should kill this urbs before returning an\nerror from probe function to prevent reported use-after-free\n\nFail log:\n\nBUG: KASAN: use-after-free in port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935\nRead of size 1 at addr ffff88801bb59540 by task ksoftirqd/2/26\n...\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\n print_address_description.constprop.0.cold+0x8d/0x303 mm/kasan/report.c:255\n __kasan_report mm/kasan/report.c:442 [inline]\n kasan_report.cold+0x83/0xdf mm/kasan/report.c:459\n port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935\n __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670\n\n...\n\nAllocated by task 1255:\n kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38\n kasan_set_track mm/kasan/common.c:45 [inline]\n set_alloc_info mm/kasan/common.c:436 [inline]\n ____kasan_kmalloc mm/kasan/common.c:515 [inline]\n ____kasan_kmalloc mm/kasan/common.c:474 [inline]\n __kasan_kmalloc+0xa6/0xd0 mm/kasan/common.c:524\n alloc_dr drivers/base/devres.c:116 [inline]\n devm_kmalloc+0x96/0x1d0 drivers/base/devres.c:823\n devm_kzalloc include/linux/device.h:209 [inline]\n port100_probe+0x8a/0x1320 drivers/nfc/port100.c:1502\n\nFreed by task 1255:\n kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38\n kasan_set_track+0x21/0x30 mm/kasan/common.c:45\n kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370\n ____kasan_slab_free mm/kasan/common.c:366 [inline]\n ____kasan_slab_free+0xff/0x140 mm/kasan/common.c:328\n kasan_slab_free include/linux/kasan.h:236 [inline]\n __cache_free mm/slab.c:3437 [inline]\n kfree+0xf8/0x2b0 mm/slab.c:3794\n release_nodes+0x112/0x1a0 drivers/base/devres.c:501\n devres_release_all+0x114/0x190 drivers/base/devres.c:530\n really_probe+0x626/0xcc0 drivers/base/dd.c:670","modified":"2026-04-11T12:43:08.650933Z","published":"2024-07-16T12:25:22.464Z","related":["SUSE-SU-2024:2892-1","SUSE-SU-2024:2894-1","SUSE-SU-2024:2901-1","SUSE-SU-2024:2902-1","SUSE-SU-2024:2929-1","SUSE-SU-2024:2939-1","SUSE-SU-2024:2940-1","SUSE-SU-2024:2947-1","SUSE-SU-2024:3225-1","SUSE-SU-2024:3249-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48857.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0e721b8f2ee5e11376dd55363f9ccb539d754b8a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/205c4ec78e71cbf561794e6043da80e7bae6790f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2b1c85f56512d49e43bc53741fce2f508cd90029"},{"type":"WEB","url":"https://git.kernel.org/stable/c/32e866ae5a7af590597ef4bcff8451bf96d5f980"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7194737e1be8fdc89d2a9382bd2f371f7ee2eda8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b1db33d4e54bc35d8db96ce143ea0ef92e23d58e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f80cfe2f26581f188429c12bd937eb905ad3ac7b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48857.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48857"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0347a6ab300a1532c298823408d6e51ccf4e4f45"},{"fixed":"205c4ec78e71cbf561794e6043da80e7bae6790f"},{"fixed":"32e866ae5a7af590597ef4bcff8451bf96d5f980"},{"fixed":"b1db33d4e54bc35d8db96ce143ea0ef92e23d58e"},{"fixed":"cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161"},{"fixed":"2b1c85f56512d49e43bc53741fce2f508cd90029"},{"fixed":"0e721b8f2ee5e11376dd55363f9ccb539d754b8a"},{"fixed":"7194737e1be8fdc89d2a9382bd2f371f7ee2eda8"},{"fixed":"f80cfe2f26581f188429c12bd937eb905ad3ac7b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48857.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.13.0"},{"fixed":"4.9.307"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.272"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.235"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.185"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.106"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.29"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.16.15"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48857.json"}}],"schema_version":"1.7.5"}