Moderate: e2fsprogs security and bug fix update

Related Vulnerabilities: CVE-2019-5094   CVE-2019-5188   CVE-2019-5094   CVE-2019-5188   CVE-2019-5094   CVE-2019-5188  

Synopsis

Moderate: e2fsprogs security and bug fix update

Type/Severity

Security Advisory: Moderate

Topic

An update for e2fsprogs is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The e2fsprogs packages provide a number of utilities for creating, checking, modifying, and correcting the ext2, ext3, and ext4 file systems.

Security Fix(es):

  • e2fsprogs: Crafted ext4 partition leads to out-of-bounds write (CVE-2019-5094)
  • e2fsprogs: Out-of-bounds write in e2fsck/rehash.c (CVE-2019-5188)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

  • BZ - 1711880 - [RHEL-7.7] e2image against meta_bg enabled ext4 image creates corrupts metadata on some arches
  • BZ - 1720130 - [RHEL-7.7 e2fsprogs] fix typo in EXT4(5) man page
  • BZ - 1768555 - CVE-2019-5094 e2fsprogs: Crafted ext4 partition leads to out-of-bounds write
  • BZ - 1780277 - Update mke2fs.conf to provide easy method of making RHEL6-compatible filesystems
  • BZ - 1790048 - CVE-2019-5188 e2fsprogs: Out-of-bounds write in e2fsck/rehash.c

CVEs

References