CVE-2006-5755

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Summary

CVECVE-2006-5755
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-12-31 05:00:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionLinux 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.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:C

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
usn/usn-416-1 - Ubuntu: Linux for human beings af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Debian -- Security Information -- DSA-1381-2 linux-2.6 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
404: File not found af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 kernel.org
Mandriva update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
404: File not found af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
Debian update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Red hat update for kernel - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Advisories | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Ubuntu update for kernel - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Linux Kernel EFLAGS NT Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
rPath update for kernel and xen - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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