The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Input from a process that has the CAP_NET_ADMIN capability can lead to root access.
https://www.youtube.com/watch?v=d5f9xLK8Vhw
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.13
https://security.netapp.com/advisory/ntap-20211104-0002/
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
Source: MITRE
Published: 2021-10-05
Updated: 2022-03-29
Type: CWE-787
Base Score: 6.9
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH