CVE-2014-8867 describes a denial-of-service vulnerability in Xen versions 4.4.x, 3.2.x, and earlier, affecting distributions like Debian, openSUSE, and Red Hat. The flaw stems from insufficient bounds checking during memory-mapped I/O (MMIO) emulation for the "REP MOVS" instruction, allowing local HVM guests to crash the host. With a CVSS score of 4.9 (AV:L/AC:L/Au:N/C:N/I:N/A:C), it indicates a low-complexity attack requiring local access to achieve a complete availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low current threat level.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* | ||
<= 3.2.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | ||
3.2.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:* | ||
3.2.2CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C
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