CVE-2014-4039: ppc64-diag 2.6.1 uses 0775 permissions for /tmp/diagSEsnap and does not properly restrict permissions for /tmp

Routine

LOW 2.1WATCHLISTMITIGATEDOWNGRADEMITIGATE

CVE-2014-4039 is a low-severity flaw (CVSS 2.1) affecting enterprise linux server, ppc64-diag, linux enterprise server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ppc64-diag 2.6.1 uses 0775 permissions for /tmp/diagSEsnap and does not properly restrict permissions for /tmp/diagSEsnap/snapH.tar.gz, which allows local users to obtain sensitive information by reading files in this archive, as demonstrated by /var/log/messages and /etc/yaboot.conf.

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-264
Published	2014-06-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ppc64-diag project · redhat · suse

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

Am I affected?

Timeline

2014-06-17 15:55 UTCPublished CVE record published
2026-06-17 00:09 UTCUpdated Record last modified

redhat enterprise linux server MITIGATE

Affected: 6.0 · 7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

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.

ppc64-diag project ppc64-diag DOWNGRADE

Affected: 2.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.6.1

1. Check installed version

apt-cache policy ppc64-diag || rpm -q ppc64-diag || ppc64-diag --version

2. No fixed release: DOWNGRADE to a release before 2.6.1 (Debian / Ubuntu)

apt-cache madison ppc64-diag sudo apt install ppc64-diag=<VERSION_BEFORE_2.6.1> sudo apt-mark hold ppc64-diag

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

dnf --showduplicates list ppc64-diag sudo dnf downgrade ppc64-diag-<VERSION_BEFORE_2.6.1> sudo dnf versionlock add ppc64-diag

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 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-2014-4039?

enterprise linux server: mitigate or apply the listed mitigation; ppc64-diag: downgrade or apply the listed mitigation; linux enterprise server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-4039 being exploited?

CVE-2014-4039 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-2014-4039 affect?

CVE-2014-4039 affects enterprise linux server, ppc64-diag, linux enterprise server. Severity is low (CVSS 2.1). ppc64-diag 2.6.1 uses 0775 permissions for /tmp/diagSEsnap and does not properly restrict permissions for /tmp/diagSEsnap/snapH.tar.gz, which allows local users to obtain sensitive information by reading files in this archive, as demonstrat

How urgent is CVE-2014-4039?

Priority 20/100. On your watchlist

Related CVEs

CVE-2017-5436 HIGH 8.8 MITIGATE MITIGATE An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font
CVE-2018-2811 HIGH 7.7 DOWNGRADE DOWNGRADE Vulnerability in the Java SE component of Oracle Java SE (subcomponent: Install)
CVE-2018-1061 MEDIUM 6.5 UPGRADE MITIGATE python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking
CVE-2018-11784 MEDIUM 4.3 UPGRADE MITIGATE When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 re
CVE-2016-6794 MEDIUM 5.3 UPGRADE MITIGATE When a SecurityManager is configured, a web application's ability to read system properties should be controll

References

← Back to latest CVEs