DescriptionEugene Teo (Security Response)
2011-07-05 01:22:26 UTC
Backport http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644
The patched code would cause a hypervisor crash due to dereferencing a bogus address (in the first 4 MBs of address space, as EFLAGS bits above bit 21 are always 0, but more likely in the first page).
Comment 4Eugene Teo (Security Response)
2011-07-05 01:49:13 UTC
Statement:
This issue only affects Red Hat Enterprise Linux 5. The versions of the Linux
kernel-xen as shipped with Red Hat Enterprise Linux 4, 6, and Red Hat Enterprise MRG are not affected. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1212.html.