CVE-2022-48857

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-48857
In the Linux kernel, the following vulnerability has been resolved: NFC: port100: fix use-after-free in port100_send_complete Syzbot reported UAF in port100_send_complete(). The root case is in missing usb_kill_urb() calls on error handling path of ->probe function. port100_send_complete() accesses devm allocated memory which will be freed on probe failure. We should kill this urbs before returning an error from probe function to prevent reported use-after-free Fail log: BUG: KASAN: use-after-free in port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935 Read of size 1 at addr ffff88801bb59540 by task ksoftirqd/2/26 ... Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x8d/0x303 mm/kasan/report.c:255 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670 ... Allocated by task 1255: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:436 [inline] ____kasan_kmalloc mm/kasan/common.c:515 [inline] ____kasan_kmalloc mm/kasan/common.c:474 [inline] __kasan_kmalloc+0xa6/0xd0 mm/kasan/common.c:524 alloc_dr drivers/base/devres.c:116 [inline] devm_kmalloc+0x96/0x1d0 drivers/base/devres.c:823 devm_kzalloc include/linux/device.h:209 [inline] port100_probe+0x8a/0x1320 drivers/nfc/port100.c:1502 Freed by task 1255: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free+0xff/0x140 mm/kasan/common.c:328 kasan_slab_free include/linux/kasan.h:236 [inline] __cache_free mm/slab.c:3437 [inline] kfree+0xf8/0x2b0 mm/slab.c:3794 release_nodes+0x112/0x1a0 drivers/base/devres.c:501 devres_release_all+0x114/0x190 drivers/base/devres.c:530 really_probe+0x626/0xcc0 drivers/base/dd.c:670

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/0e721b8f2ee5e11376dd55363f9ccb539d754b8a Patch
https://git.kernel.org/stable/c/205c4ec78e71cbf561794e6043da80e7bae6790f Patch
https://git.kernel.org/stable/c/2b1c85f56512d49e43bc53741fce2f508cd90029 Patch
https://git.kernel.org/stable/c/32e866ae5a7af590597ef4bcff8451bf96d5f980 Patch
https://git.kernel.org/stable/c/7194737e1be8fdc89d2a9382bd2f371f7ee2eda8 Patch
https://git.kernel.org/stable/c/b1db33d4e54bc35d8db96ce143ea0ef92e23d58e Patch
https://git.kernel.org/stable/c/cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161 Patch
https://git.kernel.org/stable/c/f80cfe2f26581f188429c12bd937eb905ad3ac7b Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

23 Jul 2024, 15:08

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: NFC: puerto100: corrige use-after-free en port100_send_complete Syzbot informó UAF en port100_send_complete(). El caso raíz es que faltan llamadas usb_kill_urb() en la ruta de manejo de errores de -&gt;función de sonda. port100_send_complete() accede a la memoria asignada por el desarrollador que se liberará en caso de falla de la sonda. Deberíamos eliminar estas urbs antes de devolver un error de la función de sonda para evitar el registro de errores de use-after-free: ERROR: KASAN: use-after-free en port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935 Lectura de tamaño 1 en addr ffff88801bb59540 por tarea ksoftirqd/2/26... Seguimiento de llamadas: __dump_stack lib/dump_stack.c:88 [en línea] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold +0x8d/0x303 mm/kasan/report.c:255 __kasan_report mm/kasan/report.c:442 [en línea] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 port100_send_complete+0x16e/0x1a0 controladores/nfc /port100.c:935 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670 ... Asignado por tarea 1255: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common .c:45 [en línea] set_alloc_info mm/kasan/common.c:436 [en línea] ____kasan_kmalloc mm/kasan/common.c:515 [en línea] ____kasan_kmalloc mm/kasan/common.c:474 [en línea] __kasan_kmalloc+0xa6/ 0xd0 mm/kasan/common.c:524 alloc_dr drivers/base/devres.c:116 [en línea] devm_kmalloc+0x96/0x1d0 drivers/base/devres.c:823 devm_kzalloc include/linux/device.h:209 [en línea] port100_probe+0x8a/0x1320 drivers/nfc/port100.c:1502 Liberado por la tarea 1255: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20 /0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:366 [en línea] ____kasan_slab_free+0xff/0x140 mm/kasan/common.c:328 kasan_slab_free include/linux/kasan.h:236 [en línea ] __cache_free mm/slab.c:3437 [en línea] kfree+0xf8/0x2b0 mm/slab.c:3794 release_nodes+0x112/0x1a0 drivers/base/devres.c:501 devres_release_all+0x114/0x190 drivers/base/devres.c :530 realmente_probe+0x626/0xcc0 controladores/base/dd.c:670
References () https://git.kernel.org/stable/c/0e721b8f2ee5e11376dd55363f9ccb539d754b8a - () https://git.kernel.org/stable/c/0e721b8f2ee5e11376dd55363f9ccb539d754b8a - Patch
References () https://git.kernel.org/stable/c/205c4ec78e71cbf561794e6043da80e7bae6790f - () https://git.kernel.org/stable/c/205c4ec78e71cbf561794e6043da80e7bae6790f - Patch
References () https://git.kernel.org/stable/c/2b1c85f56512d49e43bc53741fce2f508cd90029 - () https://git.kernel.org/stable/c/2b1c85f56512d49e43bc53741fce2f508cd90029 - Patch
References () https://git.kernel.org/stable/c/32e866ae5a7af590597ef4bcff8451bf96d5f980 - () https://git.kernel.org/stable/c/32e866ae5a7af590597ef4bcff8451bf96d5f980 - Patch
References () https://git.kernel.org/stable/c/7194737e1be8fdc89d2a9382bd2f371f7ee2eda8 - () https://git.kernel.org/stable/c/7194737e1be8fdc89d2a9382bd2f371f7ee2eda8 - Patch
References () https://git.kernel.org/stable/c/b1db33d4e54bc35d8db96ce143ea0ef92e23d58e - () https://git.kernel.org/stable/c/b1db33d4e54bc35d8db96ce143ea0ef92e23d58e - Patch
References () https://git.kernel.org/stable/c/cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161 - () https://git.kernel.org/stable/c/cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161 - Patch
References () https://git.kernel.org/stable/c/f80cfe2f26581f188429c12bd937eb905ad3ac7b - () https://git.kernel.org/stable/c/f80cfe2f26581f188429c12bd937eb905ad3ac7b - Patch
CWE CWE-416
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux
Linux linux Kernel
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

16 Jul 2024, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-07-16 13:15

Updated : 2024-07-23 15:08

NVD link : CVE-2022-48857

Mitre link : CVE-2022-48857

CVE.ORG link : CVE-2022-48857

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free


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