Unrated severityNVD Advisory· Published Dec 31, 2006· Updated Jun 16, 2026
CVE-2006-5755
CVE-2006-5755
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.
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Affected products
2Patches
Vulnerability mechanics
References
16- git.kernel.orgnvd
- kernel.org/git/nvd
- secunia.com/advisories/24098nvd
- secunia.com/advisories/25691nvd
- secunia.com/advisories/26620nvd
- secunia.com/advisories/26994nvd
- secunia.com/advisories/32485nvd
- www.debian.org/security/2007/dsa-1381nvd
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.18nvd
- www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.18-git13.lognvd
- www.mandriva.com/security/advisoriesnvd
- www.redhat.com/support/errata/RHSA-2008-0957.htmlnvd
- www.securityfocus.com/archive/1/471457nvd
- www.securityfocus.com/bid/26060nvd
- www.ubuntu.com/usn/usn-416-1nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9554nvd
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