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CVE-2011-1486

Status Candidate

Overview

libvirtd in libvirt before 0.9.0 does not use thread-safe error reporting, which allows remote attackers to cause a denial of service (crash) by causing multiple threads to report errors at the same time.

Related Files

Gentoo Linux Security Advisory 201202-07
Posted Feb 28, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201202-7 - Multiple vulnerabilities were found in libvirt, the worst of which might allow guest OS users to read arbitrary files on the host OS. Versions less than 0.9.3-r1 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2011-1146, CVE-2011-1486, CVE-2011-2178, CVE-2011-2511
MD5 | 51c92e021d56d918a763f5b493103655
Debian Security Advisory 2280-1
Posted Jul 19, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2280-1 - It was discovered that libvirt, a library for interfacing with different virtualization systems, is prone to an integer overflow. Additionally, the stable version is prone to a denial of service, because its error reporting is not thread-safe.

tags | advisory, denial of service, overflow
systems | linux, debian
advisories | CVE-2011-2511, CVE-2011-1486
MD5 | 08fa914d8f8a3a4c31895f9b625b3866
Ubuntu Security Notice USN-1152-1
Posted Jun 16, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1152-1 - It was discovered that libvirt did not use thread-safe error reporting. A remote attacker could exploit this to cause a denial of service via application crash. Eric Blake discovered that libvirt had an off-by-one error which could be used to reopen disk probing and bypass the fix for CVE-2010-2238. A privileged attacker in the guest could exploit this to read arbitrary files on the host. This issue only affected Ubuntu 11.04. By default, guests are confined by an AppArmor profile which provided partial protection against this flaw. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2011-1486, CVE-2011-2178
MD5 | 86d657488cdd4910856ec07cd4342fe2
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