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…

published April 12, 2016

CVSS
—
EPSS
1%
Percentile
42.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00513 · 42.5th percentile
Published
2016-04-12T16:00Z
EPSS history
Timeline
  • 12 APR 16:00Z
    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…
    cvelistv5