iproute2: Denial of service — GLSA 202008-06

A use-after-free was found in iproute2, possibly allowing a Denial of Service condition.

Affected packages

sys-apps/iproute2 on all architectures
Affected versions < 5.1.0
Unaffected versions >= 5.1.0

Background

iproute2 is a set of tools for managing Linux network routing and advanced features.

Description

iproute2 was found to contain a use-after-free in get_netnsid_from_name in ip/ipnetns.c.

Impact

A remote attacker, able to feed iproute2 crafted data, may be able to cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All iproute2 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-apps/iproute2-5.1.0"
 

References

Release date
August 08, 2020

Latest revision
August 08, 2020: 1

Severity
normal

Exploitable
remote

Bugzilla entries