Vulnerability 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
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.34, < 4.4.271 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1faPatch
- https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07fPatch
- https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70Patch
- https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0Patch
- https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95bPatch
- https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07Patch
- https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbcPatch
- https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17Patch
- https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1faPatch
- https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07fPatch
- https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70Patch
- https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0Patch
- https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95bPatch
- https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07Patch
- https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbcPatch
FAQ
What is CVE-2021-47171?
CVE-2021-47171 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...
How severe is CVE-2021-47171?
CVE-2021-47171 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47171?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.