CVE-2011-2193: Multiple buffer overflows in Terascale Open-Source Resource and Queue Manager (aka TORQUE Resource Manager) 2.

This month

HIGH 8.5DOWNGRADE

CVE-2011-2193 is a high-severity flaw (CVSS 8.5) affecting torque resource manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in Terascale Open-Source Resource and Queue Manager (aka TORQUE Resource Manager) 2.x before 2.4.14, 2.5.x before 2.5.6, and 3.x before 3.0.2 allow (1) remote authenticated users to gain privileges via a long Job_Name field in a qsub command to the server, and might allow (2) local users to gain privileges via vectors involving a long host variable in pbs_iff.

Why this priority

High severity

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

Risk facts

CVSS score	8.5 (High)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-119
Published	2011-06-24
Last modified	2026-06-16

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

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

Am I affected?

Timeline

2011-06-24 20:55 UTCPublished CVE record published
2026-06-16 23:30 UTCUpdated Record last modified

clusterresources torque resource manager DOWNGRADE

Affected: 2.1.0 · 2.1.0p11 · 2.1.1 · 2.1.2 · 2.1.3 · 2.1.6 · 2.1.7 · 2.1.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.0

1. Check installed version

apt-cache policy torque-resource-manager || rpm -q torque-resource-manager || torque-resource-manager --version

2. No fixed release: DOWNGRADE to a release before 2.1.0 (Debian / Ubuntu)

apt-cache madison torque-resource-manager sudo apt install torque-resource-manager=<VERSION_BEFORE_2.1.0> sudo apt-mark hold torque-resource-manager

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

dnf --showduplicates list torque-resource-manager sudo dnf downgrade torque-resource-manager-<VERSION_BEFORE_2.1.0> sudo dnf versionlock add torque-resource-manager

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-2011-2193?

torque resource manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-2193 being exploited?

CVE-2011-2193 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-2011-2193 affect?

CVE-2011-2193 affects torque resource manager. Severity is high (CVSS 8.5). Multiple buffer overflows in Terascale Open-Source Resource and Queue Manager (aka TORQUE Resource Manager) 2.x before 2.4.14, 2.5.x before 2.5.6, and 3.x before 3.0.2 allow (1) remote authenticated users to gain privileges via a long Job_N

How urgent is CVE-2011-2193?

Priority 51/100. High severity

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References

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