CVE-2011-1583 describes multiple integer overflows in the Xen hypervisor (versions 3.2, 3.3, 4.0, and 4.1), specifically within the xc_dom_bzimageloader.c component, affecting Citrix Xen. These flaws allow a local attacker, via a crafted paravirtualized guest kernel image, to trigger a denial of service and potentially execute arbitrary code due to buffer overflows or out-of-bounds reads during image loading. With a CVSS score of 6.9 (AV:L/AC:M/Au:N/C:C/I:C/A:C), this vulnerability has high impact potential for confidentiality, integrity, and availability, but requires medium attack complexity and local access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.2.0CPE matchmatch criteria | cpe:2.3:a:citrix:xen:3.2.0:*:*:*:*:*:*:* | ||
3.3.0CPE matchmatch criteria | cpe:2.3:a:citrix:xen:3.3.0:*:*:*:*:*:*:* | ||
4.0.0CPE matchmatch criteria | cpe:2.3:a:citrix:xen:4.0.0:*:*:*:*:*:*:* | ||
4.1.0CPE matchmatch criteria | cpe:2.3:a:citrix:xen:4.1.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.