CVE-2021-42008 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19d1532a187669ce86d5a2696eb7275310070793 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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8