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CVE-2016-3157 High

CVE-2016-3157

The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.

Exploit probability 0.5%
Published April 12, 2016
Required by Not available
Last source change March 15, 2026

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

04 / EVIDENCE

Source records

Open Source Vulnerabilities CVE-2016-3157

The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.

View original source

05 / REFERENCES

Further evidence