CVE-2021-42008

HIGH

Linux Kernel < 4.4.282 - Out-of-Bounds Write

Title source: rule
STIX 2.1

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.

Exploits (2)

nomisec WORKING POC 31 stars
by 0xdevil · poc
https://github.com/0xdevil/CVE-2021-42008
nomisec WORKING POC 2 stars
by numanturle · poc
https://github.com/numanturle/CVE-2021-42008

References (5)

Core 5
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.13
Exploit, Third Party Advisory x_refsource_misc
https://www.youtube.com/watch?v=d5f9xLK8Vhw
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20211104-0002/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

Scores

CVSS v3 7.8
EPSS 0.0093
EPSS Percentile 76.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (11)
debian/debian_linux 9.0
linux/linux_kernel 2.6.12 - 4.4.282
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500e_firmware
netapp/h500s_firmware
netapp/h700e_firmware
netapp/h700s_firmware
... and 1 more
Published Oct 05, 2021
Tracked Since Feb 18, 2026