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Information Exposure Affecting bpftool package, versions <0:3.10.0-1127.el7

Severity

 Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.07% (32nd percentile)

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  • Snyk ID SNYK-CENTOS7-BPFTOOL-2152682
  • published 26 Jul 2021
  • disclosed 28 Nov 2019
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Introduced: 28 Nov 2019

CVE-2019-18660 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade Centos:7 bpftool to version 0:3.10.0-1127.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.

The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c.

References

CVSS Scores

version 3.1
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NVD

4.7 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

4.7 medium
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SUSE

4.7 medium