CVE-2021-47171
net: usb: fix memory leak in smsc75xx_bind
Vexday Risk Score
3Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Ciclo de vida
25 mar 2024Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
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
Produtos afetados
Linux · LinuxReferências
https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fahttps://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07fhttps://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95bhttps://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbchttps://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17