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CVE-2019-9893 Affecting libseccomp package, versions <2.4.1-0ubuntu0.16.04.2

medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.92% (89th percentile)
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NVD
9.8 critical
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Red Hat
7.3 high
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SUSE
5.1 medium

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  • Snyk ID SNYK-UBUNTU1604-LIBSECCOMP-341049
  • published 21 Mar 2019
  • disclosed 21 Mar 2019
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Introduced: 21 Mar 2019

CVE-2019-9893 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 libseccomp to version 2.4.1-0ubuntu0.16.04.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libseccomp package and not the libseccomp package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations.