CVE-2015-0272: GNOME NetworkManager allows remote attackers to cause a denial of service (IPv6 traffic disruption) via a craf

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MEDIUM 5.0WATCHLISTUPGRADEDOWNGRADEMITIGATE

CVE-2015-0272 is a medium-severity flaw (CVSS 5.0) affecting networkmanager, linux enterprise debuginfo, linux enterprise desktop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GNOME NetworkManager allows remote attackers to cause a denial of service (IPv6 traffic disruption) via a crafted MTU value in an IPv6 Router Advertisement (RA) message, a different vulnerability than CVE-2015-8215.

Why this priority

EPSS top 8%: very likely to be exploited
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	4.9% (top 8%)
CISA exploited list	No
Published	2015-11-17
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: gnome · suse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-11-17 15:59 UTCPublished CVE record published
2026-06-17 00:19 UTCUpdated Record last modified

gnome networkmanager UPGRADE

Affected: < 1.2.0

Fixed in: 1.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy networkmanager || rpm -q networkmanager || networkmanager --version

2. UPGRADE to 1.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade networkmanager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade networkmanager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

suse linux enterprise debuginfo DOWNGRADE

Affected: 11 sp2 · 11 sp3 · 11 sp4

Fixed in: no fixed release known

Safe to downgrade to: a release before 11

1. Check installed version

apt-cache policy linux-enterprise-debuginfo || rpm -q linux-enterprise-debuginfo || linux-enterprise-debuginfo --version

2. No fixed release: DOWNGRADE to a release before 11 (Debian / Ubuntu)

apt-cache madison linux-enterprise-debuginfo sudo apt install linux-enterprise-debuginfo=<VERSION_BEFORE_11> sudo apt-mark hold linux-enterprise-debuginfo

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list linux-enterprise-debuginfo sudo dnf downgrade linux-enterprise-debuginfo-<VERSION_BEFORE_11> sudo dnf versionlock add linux-enterprise-debuginfo

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

suse linux enterprise desktop MITIGATE

Affected: 11 sp3 · 11 sp4 · 12 · 12 sp1

Fixed in: no fixed release known

Safe to downgrade to: a release before 11

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

suse linux enterprise real time extension MITIGATE

Affected: 11 sp3 · 11 sp4

Fixed in: no fixed release known

Safe to downgrade to: a release before 11

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

suse linux enterprise server MITIGATE

Affected: 11 · 11 sp2 · 11 sp4 · 12 · 12 sp1

Fixed in: no fixed release known

Safe to downgrade to: a release before 11

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

suse linux enterprise server MITIGATE

Affected: 11 sp3

Fixed in: no fixed release known

Safe to downgrade to: a release before 11

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-0272?

networkmanager: upgrade to 1.2.0; linux enterprise debuginfo: downgrade or apply the listed mitigation; linux enterprise desktop: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-0272 being exploited?

CVE-2015-0272 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-0272 affect?

CVE-2015-0272 affects networkmanager, linux enterprise debuginfo, linux enterprise desktop. Severity is medium (CVSS 5.0). GNOME NetworkManager allows remote attackers to cause a denial of service (IPv6 traffic disruption) via a crafted MTU value in an IPv6 Router Advertisement (RA) message, a different vulnerability than CVE-2015-8215.

How urgent is CVE-2015-0272?

Priority 46/100. EPSS top 8%: very likely to be exploited; On your watchlist

Related CVEs

CVE-2021-20297 MEDIUM 5.5 UPGRADE DOWNGRADE A flaw was found in NetworkManager in versions before 1.30.0
CVE-2020-10754 MEDIUM 4.3 UPGRADE MITIGATE It was found that nmcli, a command line interface to NetworkManager did not honour 802-1x.ca-path and 802-1x.p
CVE-2018-1000135 HIGH 7.5 UPGRADE MITIGATE GNOME NetworkManager version 1.10.2 and earlier contains a Information Exposure (CWE-200) vulnerability in DNS
CVE-2016-0764 MEDIUM 6.2 UPGRADE Race condition in Network Manager before 1.0.12 as packaged in Red Hat Enterprise Linux Desktop 7, Red Hat Ent
CVE-2015-2924 LOW 3.3 UPGRADE The receive_ra function in rdisc/nm-lndp-rdisc.c in the Neighbor Discovery (ND) protocol implementation in the

References

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