CVE-2011-1583
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…
Does this matter?
Lower severity and a low EPSS score (0.70%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- citrix/xen
- Source
- secalert@redhat.com
References
- http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.htmlPatch, Vendor Advisory
- http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.htmlPatch
- http://rhn.redhat.com/errata/RHSA-2011-0496.html
- http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.htmlPatch, Vendor Advisory
- http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.htmlPatch
- http://rhn.redhat.com/errata/RHSA-2011-0496.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.