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Execution with Unnecessary Privileges Affecting kernel-doc package, versions *

Severity

 Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.06% (30th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELDOC-1347979
  • published 26 Jul 2021
  • disclosed 16 Mar 2016
Report a new vulnerability Found a mistake?

Introduced: 16 Mar 2016

CVE-2016-3157 Open this link in a new tab
CWE-250 Open this link in a new tab

How to fix?

There is no fixed version for RHEL:7 kernel-doc.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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.