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  1. CVEs
  2. CVE-2006-5755
  1. CVEs

CVE-2006-5755

medium
  • Information
  • CPEs
  • Plugins

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.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9

http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9

http://secunia.com/advisories/24098

http://secunia.com/advisories/25691

http://secunia.com/advisories/26620

http://secunia.com/advisories/26994

http://secunia.com/advisories/32485

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9554

http://www.debian.org/security/2007/dsa-1381

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.18

http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.18-git13.log

http://www.mandriva.com/security/advisories?name=MDKSA-2007:171

http://www.redhat.com/support/errata/RHSA-2008-0957.html

http://www.ubuntu.com/usn/usn-416-1

Details

Published: 2006-12-31

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

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