CVE-2019-20795

Publication date 9 May 2020

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.4 · Medium

Score breakdown

Description

iproute2 before 5.1.0 has a use-after-free in get_netnsid_from_name in ip/ipnetns.c. NOTE: security relevance may be limited to certain uses of setuid that, although not a default, are sometimes a configuration option offered to end users. Even when setuid is used, other factors (such as C library configuration) may block exploitability.

Read the notes from the security team

Status

Package Ubuntu Release Status
iproute2 20.04 LTS focal
Not affected
19.10 eoan
Not affected
18.04 LTS bionic
Fixed 4.15.0-2ubuntu1.1
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

leosilva

vulnerability introduced in v4.15.0

Severity score breakdown

CVSS version: CVSS v3.0

Base score 4.4 · Medium

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

References

Related Ubuntu Security Notices (USN)

Other references

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