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CVE-2006-5755

UnknownEPSS 0.40%

Last modified

CVE-2006-5755 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.40%

31.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 2.6.17

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2006-5755?
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.
How severe is CVE-2006-5755?
Severity scoring for CVE-2006-5755 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2006-5755?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-5755?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST