CVE-2014-3519: The open_by_handle_at function in vzkernel before 042stab090.5 in the OpenVZ modification for the Linux kernel

Routine

MEDIUM 6.5WATCHLISTMITIGATE

CVE-2014-3519 is a medium-severity flaw (CVSS 6.5) affecting vzkernel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The open_by_handle_at function in vzkernel before 042stab090.5 in the OpenVZ modification for the Linux kernel 2.6.32, when using simfs, might allow local container users with CAP_DAC_READ_SEARCH capability to bypass an intended container protection mechanism and access arbitrary files on a filesystem via vectors related to use of the file_handle structure.

Why this priority

On your watchlist

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-284
Published	2018-02-01
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2018-02-01 17:29 UTCPublished CVE record published
2026-06-17 00:08 UTCUpdated Record last modified

openvz vzkernel MITIGATE

Affected: 2.6.32

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.6.32

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-2014-3519?

vzkernel: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-3519 being exploited?

CVE-2014-3519 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-2014-3519 affect?

CVE-2014-3519 affects vzkernel. Severity is medium (CVSS 6.5). The open_by_handle_at function in vzkernel before 042stab090.5 in the OpenVZ modification for the Linux kernel 2.6.32, when using simfs, might allow local container users with CAP_DAC_READ_SEARCH capability to bypass an intended container p

How urgent is CVE-2014-3519?

Priority 37/100. On your watchlist

Software pages

Linux kernel vulnerabilities

References

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