CVE-2010-4255 describes a denial-of-service vulnerability in Xen 4.0.1 and earlier, specifically affecting 64-bit paravirtualized environments. A flaw in the fixup_page_fault function allows guest OS users to trigger a host OS crash (BUG_ON) through crafted memory access. With a CVSS score of 6.1, this vulnerability is network-adjacent, low complexity, and results in a complete loss of availability for the host. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.0.1CPE matchmatch criteria | cpe:2.3:a:citrix:xen:*:*:*:*:*:*:*:* | ||
3.0.2CPE matchmatch criteria | cpe:2.3:a:citrix:xen:3.0.2:*:*:*:*:*:*:* | ||
3.0.3CPE matchmatch criteria | cpe:2.3:a:citrix:xen:3.0.3:*:*:*:*:*:*:* | ||
3.0.4CPE matchmatch criteria | cpe:2.3:a:citrix:xen:3.0.4:*:*:*:*:*:*:* | ||
3.1.2CPE matchmatch criteria | cpe:2.3:a:citrix:xen:3.1.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:A/AC:L/Au:N/C:N/I:N/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.