RLSA-2021:4358

Source
https://errata.rockylinux.org/RLSA-2021:4358
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2021:4358.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2021:4358
Related
Published
2021-11-09T09:08:59Z
Modified
2023-02-02T14:11:08.636994Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
Moderate: glibc security, bug fix, and enhancement update
Details

The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly.

Security Fix(es):

  • glibc: Arbitrary read in wordexp() (CVE-2021-35942)

  • glibc: Use-after-free in addgetnetgrentX function in netgroupcache.c (CVE-2021-27645)

  • glibc: mq_notify does not handle separately allocated thread attributes (CVE-2021-33574)

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 Rocky Linux 8.5 Release Notes linked from the References section.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / glibc

Package

Name
glibc
Purl
pkg:rpm/rocky-linux/glibc?distro=rocky-linux-8-5-legacy&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:2.28-164.el8