{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2022-48857", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "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 ->probe 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 \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" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "0347a6ab300a", "version_value": "205c4ec78e71" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "3.13", "status": "affected" }, { "version": "0", "lessThan": "3.13", "status": "unaffected", "versionType": "custom" }, { "version": "4.9.307", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.14.272", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.235", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.185", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.106", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.29", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.16.15", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/205c4ec78e71cbf561794e6043da80e7bae6790f", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/205c4ec78e71cbf561794e6043da80e7bae6790f" }, { "url": "https://git.kernel.org/stable/c/32e866ae5a7af590597ef4bcff8451bf96d5f980", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/32e866ae5a7af590597ef4bcff8451bf96d5f980" }, { "url": "https://git.kernel.org/stable/c/b1db33d4e54bc35d8db96ce143ea0ef92e23d58e", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/b1db33d4e54bc35d8db96ce143ea0ef92e23d58e" }, { "url": "https://git.kernel.org/stable/c/cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161" }, { "url": "https://git.kernel.org/stable/c/2b1c85f56512d49e43bc53741fce2f508cd90029", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/2b1c85f56512d49e43bc53741fce2f508cd90029" }, { "url": "https://git.kernel.org/stable/c/0e721b8f2ee5e11376dd55363f9ccb539d754b8a", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/0e721b8f2ee5e11376dd55363f9ccb539d754b8a" }, { "url": "https://git.kernel.org/stable/c/7194737e1be8fdc89d2a9382bd2f371f7ee2eda8", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7194737e1be8fdc89d2a9382bd2f371f7ee2eda8" }, { "url": "https://git.kernel.org/stable/c/f80cfe2f26581f188429c12bd937eb905ad3ac7b", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f80cfe2f26581f188429c12bd937eb905ad3ac7b" } ] }, "generator": { "engine": "bippy-c9c4e1df01b2" } }