CVE-2013-6456

libvirt: unsafe usage of paths under /proc/$PID/root

Published Apr 15, 2014 CVSS 2.0 · 5.8 Medium EPSS < 1% KEV · Not listed
Description
The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to "paths under /proc/$PID/root" and the virInitctlSetRunLevel function.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2013-6263 The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to "paths under /proc/$PID/root" and the virInitctlSetRunLevel function.
Ubuntu USN Ubuntu USN USN-2209-1 libvirt vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00238}

epss

{'score': 0.00245}

Type Values Removed Values Added
Metrics epss

{'score': 0.00239}

epss

{'score': 0.00238}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 5:39 PM
Reserved
Nov 4, 2013, 12:00 AM
Status
Modified
Published
Apr 15, 2014, 11:55 PM
Modified
Jun 17, 2026, 12:00 AM
Severity
Moderate
Public date
Dec 17, 2013, 12:00 AM