CVE-2021-47236

May 21, 2024, 4:54 p.m.

None
No Score

Description

In the Linux kernel, the following vulnerability has been resolved: net: cdc_eem: fix tx fixup skb leak when usbnet transmit a skb, eem fixup it in eem_tx_fixup(), if skb_copy_expand() failed, it return NULL, usbnet_start_xmit() will have no chance to free original skb. fix it by free orginal skb in eem_tx_fixup() first, then check skb clone status, if failed, return NULL to usbnet.

Product(s) Impacted

Product Versions
Linux Kernel

Weaknesses

Common security weaknesses mapped to this vulnerability.

References

https://git.kernel.org/stable/c/05b2b9f7d24b5663d9b47427fe1555bdafd3ea02
https://git.kernel.org/stable/c/14184ec5c958b589ba934da7363a2877879204df
https://git.kernel.org/stable/c/1bcacd6088d61c0ac6a990d87975600a81f3247e
https://git.kernel.org/stable/c/81de2ed06df8b5451e050fe6a318af3263dbff3f
https://git.kernel.org/stable/c/b4f7a9fc9d094c0c4a66f2ad7c37b1dbe9e78f88
https://git.kernel.org/stable/c/c3b26fdf1b32f91c7a3bc743384b4a298ab53ad7
https://git.kernel.org/stable/c/f12554b0ff639e74612cc01b3b4a049e098d2d65
https://git.kernel.org/stable/c/f4e6a7f19c82f39b1803e91c54718f0d7143767d

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
2024-05-21
CVE-2021-47236

Timeline

Published: May 21, 2024, 3:15 p.m.
Last Modified: May 21, 2024, 4:54 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.