CVE-2011-1583

Description

Multiple integer overflows in tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0, and 4.1 allow local users to cause a denial of service and possibly execute arbitrary code via a crafted paravirtualised guest kernel image that triggers (1) a buffer overflow during a decompression loop or (2) an out-of-bounds read in the loader involving unspecified length fields.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.52%
Vendor Advisory redhat.com Vendor Advisory xensource.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.html patch vendor advisory mailing list
http://rhn.redhat.com/errata/RHSA-2011-0496.html vendor advisory
http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.html patch mailing list

Frequently Asked Questions

What is the severity of CVE-2011-1583?
CVE-2011-1583 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1583?
To fix CVE-2011-1583, 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-2011-1583 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-1583 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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