QID 198540

A race condition existed in the atheros ath9k wifi driver in the linux kernel.
The overlay file system in the linux kernel did not restrict private clones in some situations.
The btrfs file system in the linux kernel did not properly handle removing a non-existent device id.
The qualcomm ipc router protocol implementation in the linux kernel did not properly validate metadata in some situations.
The virtual terminal (vt) device implementation in the linux kernel contained a race condition in its ioctl handling that lead to an out-of-bounds read vulnerability.
The bpf subsystem in the linux kernel contained an integer overflow in its hash table implementation.
The ext4 file system in the linux kernel contained a race condition when writing xattrs to an inode.
The 6pack network protocol driver in the linux kernel did not properly perform validation checks.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

an attacker could possibly use this to expose sensitive information (wifi network traffic) (cve-2020-3702).
An attacker could use this to expose sensitive information. (
Cve-2021-3732).
An attacker with cap_sys_admin could use this to cause a denial of service. (
Cve-2021-3739).
A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (
Cve-2021-3743).
A local attacker could possibly use this to expose sensitive information. (
Cve-2021-3753).
A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (
Cve-2021-38166).
A local attacker could use this to cause a denial of service or possibly gain administrative privileges. (
Cve-2021-40490).
A privileged attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (
Cve-2021-42008).