Description: DoS or privilege escalation by triggering fault in NMI on x86_64 References: https://marc.info/?l=oss-security&m=143758877425647&w=2 Notes: Seems to have been introduced by commit 3f3c8b8c4b2a ("x86: Add workaround to NMI iret woes") in 3.3. Bugs: upstream: released (4.2-rc3) [9d05041679904b12c12421cbcf9cb5f4860a8d7b, 0e181bb58143cb4a2e8f01c281b0816cd0e4798e, 9b6e6a8334d56354853f9c255d1395c2ba570e0a] 3.16-upstream-stable: released (3.16.7-ckt16) 3.2-upstream-stable: N/A ("Vulnerable code not present") 2.6.32-upstream-stable: N/A ("Vulnerable code not present") sid: released (4.0.8-2) 3.16-jessie-security: released (3.16.7-ckt11-1+deb8u2) 3.2-wheezy-security: N/A ("Vulnerable code not present") 2.6.32-squeeze-security: N/A ("Vulnerable code not present")