CVE-2013-2561: OpenFabrics ibutils 1.5.7 allows local users to overwrite arbitrary files via a symlink attack on (1) ibdiagne

This month

MEDIUM 6.3WATCHLISTMITIGATEDOWNGRADE

CVE-2013-2561 is a medium-severity flaw (CVSS 6.3) affecting enterprise linux, ibutils. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OpenFabrics ibutils 1.5.7 allows local users to overwrite arbitrary files via a symlink attack on (1) ibdiagnet.db, (2) ibdiagnet.fdbs, (3) ibdiagnet_ibis.log, (4) ibdiagnet.log, (5) ibdiagnet.lst, (6) ibdiagnet.mcfdbs, (7) ibdiagnet.pkey, (8) ibdiagnet.psl, (9) ibdiagnet.slvl, or (10) ibdiagnet.sm in /tmp/.

Why this priority

Public exploit reference
On your watchlist

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

Risk facts

CVSS score	6.3 (Medium)
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-59
Published	2013-11-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: openfabrics · redhat

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-11-23 18:55 UTCPublished CVE record published
2026-06-16 23:53 UTCUpdated Record last modified

redhat enterprise linux MITIGATE

Affected: 6.0

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.

openfabrics ibutils DOWNGRADE

Affected: 1.5.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5.7 (Debian / Ubuntu)

apt-cache madison ibutils sudo apt install ibutils=<VERSION_BEFORE_1.5.7> sudo apt-mark hold ibutils

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

dnf --showduplicates list ibutils sudo dnf downgrade ibutils-<VERSION_BEFORE_1.5.7> sudo dnf versionlock add ibutils

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.

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-2013-2561?

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

Is CVE-2013-2561 being exploited?

CVE-2013-2561 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-2013-2561 affect?

CVE-2013-2561 affects enterprise linux, ibutils. Severity is medium (CVSS 6.3). OpenFabrics ibutils 1.5.7 allows local users to overwrite arbitrary files via a symlink attack on (1) ibdiagnet.db, (2) ibdiagnet.fdbs, (3) ibdiagnet_ibis.log, (4) ibdiagnet.log, (5) ibdiagnet.lst, (6) ibdiagnet.mcfdbs, (7) ibdiagnet.pkey,

How urgent is CVE-2013-2561?

Priority 43/100. Public exploit reference; On your watchlist

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References

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