Out-of-bounds Write Affecting linux-4.19 package, versions <4.19.208-1~deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.07% (36th percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-1730494
  • published5 Oct 2021
  • disclosed5 Oct 2021

Introduced: 5 Oct 2021

CVE-2021-42008  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.208-1~deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.19 package and not the linux-4.19 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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 Base Scores

version 3.1