Bug #2890

SYSRET 64-bit operating system privilege escalation vulnerability on Intel CPU hardware

Added by Igor Pashev over 6 years ago. Updated over 6 years ago.

Status:ClosedStart date:2012-06-17
Priority:NormalDue date:
Assignee:-% Done:


Target version:-
Difficulty:Medium Tags:needs-triage


Some 64-bit operating systems and virtualization software running on Intel CPU hardware are vulnerable to a local privilege escalation attack. The vulnerability may be exploited for local privilege escalation or a guest-to-host virtual machine escape.


Related issues

Duplicates illumos gate - Bug #2873: sysretq doesn't properly handle non-canonical addresses Resolved 2012-06-14


#1 Updated by Rich Lowe over 6 years ago

  • Status changed from New to Closed

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