CVE-2011-2511

Description

Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.

Category

4.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.83% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://libvirt.org/news.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/68271 vdb entry
http://secunia.com/advisories/45441 third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062515.html vendor advisory
http://secunia.com/advisories/45446 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2011/06/28/9 mailing list patch
http://www.redhat.com/support/errata/RHSA-2011-1197.html vendor advisory
http://www.redhat.com/support/errata/RHSA-2011-1019.html vendor advisory
http://www.ubuntu.com/usn/USN-1180-1 vendor advisory
http://secunia.com/advisories/45375 third party advisory vendor advisory
https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html mailing list patch
http://www.securitytracker.com/id?1025822 vdb entry
http://www.debian.org/security/2011/dsa-2280 vendor advisory
https://hermes.opensuse.org/messages/10027908 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062855.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-2511?
CVE-2011-2511 has been scored as a medium severity vulnerability.
How to fix CVE-2011-2511?
To fix CVE-2011-2511, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2511 being actively exploited in the wild?
It is possible that CVE-2011-2511 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.