SuSE 10 Security Update : Xen (ZYPP Patch Number 8359)

XEN received various security and bugfixes : - xen: Timer overflow DoS vulnerability XSA-20. CVE-2012-4535 - xen: Memory mapping failure DoS vulnerability XSA-22 The following additional bugs have beenfixed:. CVE-2012-4537 - L3: Xen BUG at ioapic.c:129 26102-x86-IOAPIC-legacy-not-first.patch...

Timer overflow DoS vulnerability

ISSUE DESCRIPTION A guest which sets a VCPU with an inappropriate deadline can cause an infinite loop in Xen, blocking the affected physical CPU indefinitely. IMPACT A malicious guest administrator can trigger the bug. If the Xen watchdog is enabled, the whole system will crash. Otherwise the gue...

kernel security update

CentOS Errata and Security Advisory CESA-2008:0275 Updated kernel packages that fix various security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages...