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Time-of-check Time-of-use (TOCTOU) Affecting bpftool package, versions <0:3.10.0-1062.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS7-BPFTOOL-2137928
  • published 26 Jul 2021
  • disclosed 14 Sep 2018
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Introduced: 14 Sep 2018

CVE-2018-9517 Open this link in a new tab
CWE-367 Open this link in a new tab

How to fix?

Upgrade Centos:7 bpftool to version 0:3.10.0-1062.el7 or higher.

NVD Description

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

In pppol2tp_connect, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-38159931.