DEBIAN-CVE-2016-3157

DEBIAN-CVE-2016-3157 PUBLISHED CVSS 7.800000190734863 HIGH

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.

Risk Scores

CVSS v3.0

7.800000190734863

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
Debian:11	linux	0, 0, 0
Debian:14	linux	0, 0, 0
Debian:13	linux	0, 0, 0
Debian:12	linux	0, 0, 0

Timeline

Apr 12, 2016 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2016-3157 advisory

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