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NULL Pointer Dereference Affecting bpftool package, versions *

Severity

 Recommended
low

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.12% (48th percentile)

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  • Snyk ID SNYK-CENTOS7-BPFTOOL-1990810
  • published 26 Jul 2021
  • disclosed 26 May 2018
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Introduced: 26 May 2018

CVE-2018-14613 Open this link in a new tab
CWE-476 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

There is no fixed version for Centos:7 bpftool.

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.

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item in fs/btrfs/tree-checker.c.