CVEvulnerability

CVE-2006-5755

4.9 MEDIUM Published 2006-12-31 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2006-12-31
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C

Description

Linux kernel before 2.6.18, when running on x86_64 systems, does not properly save or restore EFLAGS during a context switch, which allows local users to cause a denial of service (crash) by causing SYSENTER to set an NT flag, which can trigger a crash on the IRET of the next task.

Affected configurations

• linux linux kernel (<= 2.6.17)

References