Description
arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
Metrics
CVSS 2.0 1.9/10
AV:L/AC:M/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Nov 19, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified