Remote No

Type Denial of service

Description

A null pointer dereference bug was discovered in btrfs_rm_device function in fs/btrfs/volumes.c in Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’.

AVG-1881 linux-hardened 5.12.19.hardened1-1 Medium Vulnerable

AVG-1880 linux-zen 5.13.12.zen1-1 Medium Vulnerable

AVG-1879 linux 5.13.12.arch4-1 Medium Vulnerable

AVG-1741 linux-lts 5.10.60-1 Medium Vulnerable

https://www.openwall.com/lists/oss-security/2021/08/25/3
https://lore.kernel.org/linux-btrfs/CAFcO6XPOB7xPibhbRaUrJ3fJUvH1m=9wVY-yA_Ytj6hXW0cqXA@mail.gmail.com/T/
https://lore.kernel.org/linux-btrfs/20210806102415.304717-1-wqu@suse.com/T/