CVE-2006-5755

N/A Unknown
Published: December 31, 2006 Modified: April 23, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9
Source: secalert@redhat.com
http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9
Source: secalert@redhat.com
http://secunia.com/advisories/24098
Source: secalert@redhat.com
http://secunia.com/advisories/25691
Source: secalert@redhat.com
http://secunia.com/advisories/26620
Source: secalert@redhat.com
http://secunia.com/advisories/26994
Source: secalert@redhat.com
http://secunia.com/advisories/32485
Source: secalert@redhat.com
http://www.debian.org/security/2007/dsa-1381
Source: secalert@redhat.com
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.18
Source: secalert@redhat.com
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.18-git13.log
Source: secalert@redhat.com
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
Source: secalert@redhat.com
http://www.redhat.com/support/errata/RHSA-2008-0957.html
Source: secalert@redhat.com
http://www.securityfocus.com/archive/1/471457
Source: secalert@redhat.com
http://www.securityfocus.com/bid/26060
Source: secalert@redhat.com
http://www.ubuntu.com/usn/usn-416-1
Source: secalert@redhat.com
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9554
Source: secalert@redhat.com
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9
Source: af854a3a-2127-422b-91ae-364da2661108
http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/24098
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/25691
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/26620
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/26994
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/32485
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2007/dsa-1381
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.18
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.18-git13.log
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2008-0957.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/471457
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/26060
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/usn-416-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9554
Source: af854a3a-2127-422b-91ae-364da2661108

32 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.1%
21th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

linux