CVE-2021-47171

medium

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728

References

https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17

https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc

https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07

https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b

https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0

https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70

https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f

https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa

Details

Source: Mitre, NVD

Published: 2024-03-25

Updated: 2024-05-16

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium