Fedora 17 : xen-4.1.3-6.fc17 (2012-18242)
medium Nessus Plugin ID 63009
Language:
Synopsis
The remote Fedora host is missing a security update.Description
A guest can block a cpu by setting a bad VCPU deadline [XSA 20, CVE-2012-4535] (#876198) HVM guest can use invalid pirq values to crash xen [XSA 21, CVE-2012-4536] (#876200) HVM guest can exhaust p2m table crashing xen [XSA 22, CVE-2012-4537] (#876203) PAE HVM guest can crash hypervisor [XSA-23, CVE-2012-4538] (#876205) 32-bit PV guest on 64-bit hypervisor can cause an hypervisor infinite loop [XSA-24, CVE-2012-4539] (#876207)Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Update the affected xen package.See Also
https://bugzilla.redhat.com/show_bug.cgi?id=870086
https://bugzilla.redhat.com/show_bug.cgi?id=870096
https://bugzilla.redhat.com/show_bug.cgi?id=870101
https://bugzilla.redhat.com/show_bug.cgi?id=870106
Plugin Details
Severity: Medium
ID: 63009
File Name: fedora_2012-18242.nasl
Version: 1.8
Type: local
Agent: unix
Family: Fedora Local Security Checks
Published: 11/23/2012
Updated: 1/11/2021
Supported Sensors: Frictionless Assessment Agent, Nessus Agent
Risk Information
VPR
Risk Factor: Medium
Score: 4
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Vulnerability Information
CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:17
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list
Patch Publication Date: 11/15/2012
Reference Information
CVE: CVE-2012-4535, CVE-2012-4536, CVE-2012-4537, CVE-2012-4538, CVE-2012-4539
FEDORA: 2012-18242