NULL Pointer Dereference Affecting kernel-bootwrapper package, versions <0:3.10.0-1062.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.3% (71st percentile)

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  • Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-4920277
  • published 26 Jul 2021
  • disclosed 7 Jun 2018

How to fix?

Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-1062.el7 or higher.
This issue was patched in RHSA-2019:2029.

NVD Description

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

An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.