NULL Pointer Dereference Affecting bpftool package, versions <0:3.10.0-957.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL7-BPFTOOL-4900157
  • published26 Jul 2021
  • disclosed12 Apr 2018

Introduced: 12 Apr 2018

CVE-2018-10322  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:7 bpftool to version 0:3.10.0-957.el7 or higher.
This issue was patched in RHSA-2018:3083.

NVD Description

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

The xfs_dinode_verify function in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_ilock_attr_map_shared invalid pointer dereference) via a crafted xfs image.