Buffer Overflow Affecting linux-4.19 package, versions <4.19.152-1~deb9u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-1023001
  • published10 Sept 2020
  • disclosed9 Sept 2020

Introduced: 9 Sep 2020

CVE-2020-25211  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.152-1~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.

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.

CVSS Base Scores

version 3.1