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Incorrect Authorization Affecting kernel package, versions <0:3.10.0-862.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL7-KERNEL-4762058
  • published 26 Jul 2021
  • disclosed 20 Aug 2017
Report a new vulnerability Found a mistake?

Introduced: 20 Aug 2017

CVE-2017-14140 Open this link in a new tab
CWE-863 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel to version 0:3.10.0-862.el7 or higher.
This issue was patched in RHSA-2018:1062.

NVD Description

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

The move_pages system call in mm/migrate.c in the Linux kernel before 4.12.9 doesn't check the effective uid of the target process, enabling a local attacker to learn the memory layout of a setuid executable despite ASLR.