Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath9k: don’t allow to overwrite ENDPOINT0 attributes
A bad USB device is able to construct a service connection response message with target endpoint being ENDPOINT0 which is reserved for HTC_CTRL_RSVD_SVC and should not be modified to be used for any other services.
Reject such service connection responses.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 8.4 ELS , CentOS 8.5 ELS , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS
- Affected packages:
- linux-hwe @ 4.15.0 (+5 more)
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath9k: don’t allow to overwrite ENDPOINT0 attributes
A bad USB device is able to construct a service connection response message with target endpoint being ENDPOINT0 which is reserved for HTC_CTRL_RSVD_SVC and should not be modified to be used for any other services.
Reject such service connection responses.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.