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Red Hat Enterprise Linux 9 RHSA-2022:7958-01 Low: libguestfs DoS Fix

red hat
Calendar Grey November 15, 2022
Dist Redhat Esm H88
Discover the recent improvements in libguestfs for Red Hat 9, focusing on minimal disruption while correcting buffer overflow vulnerabilities and enhancing overall security.
An update for libguestfs is now available for Red Hat Enterprise Linux 9

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

Summary

The libguestfs packages contain a library used for accessing and modifying virtual machine disk images.
Security Fix(es):
* libguestfs: Buffer overflow in get_keys leads to DoS (CVE-2022-2211)
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 9.1 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory update buffer overflow DoS security fix Red Hat Enterprise Linux libguestfs

References

https://access.redhat.com/security/cve/CVE-2022-2211 https://access.redhat.com/security/updates/classification#low https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.1_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: libguestfs-1.48.4-2.el9.src.rpm
aarch64: libguestfs-1.48.4-2.el9.aarch64.rpm libguestfs-appliance-1.48.4-2.el9.aarch64.rpm libguestfs-debuginfo-1.48.4-2.el9.aarch64.rpm libguestfs-debugsource-1.48.4-2.el9.aarch64.rpm libguestfs-gobject-debuginfo-1.48.4-2.el9.aarch64.rpm libguestfs-rescue-1.48.4-2.el9.aarch64.rpm libguestfs-rescue-debuginfo-1.48.4-2.el9.aarch64.rpm libguestfs-rsync-1.48.4-2.el9.aarch64.rpm libguestfs-xfs-1.48.4-2.el9.aarch64.rpm lua-guestfs-debuginfo-1.48.4-2.el9.aarch64.rpm ocaml-libguestfs-debuginfo-1.48.4-2.el9.aarch64.rpm perl-Sys-Guestfs-1.48.4-2.el9.aarch64.rpm perl-Sys-Guestfs-debuginfo-1.48.4-2.el9.aarch64.rpm php-libguestfs-debuginfo-1.48.4-2.el9.aarch64.rpm python3-libguestfs-1.48.4-2.el9.aarch64.rpm python3-libguestfs-debuginfo-1.48.4-2.el9.aarch64.rpm ruby-libguestfs-debuginfo-1.48.4-2.el9.aarch64.rpm
noarch: libguestfs-bash-completion-1.48.4-2.el9.noarch.rpm libguestfs-inspect-icons-1.48.4-2.el9.noarch.rpm
s390x: libguestfs-1.48.4-2.el9.s390x.rpm libguestfs-appliance-1.48.4-2.el9.s390x.rpm libguestfs-debuginfo-1.48.4-2.el9.s390x.rpm libguestfs-debugsource-1.48.4-2.el9.s390x.rpm libguestfs-gobject-debuginfo-1.48.4-2.el9.s390x.rpm libguestfs-rescue-1.48.4-2.el9.s390x.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:7958-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7958
Issue date: 2022-11-15

Topic

An update for libguestfs is now available for Red Hat Enterprise Linux 9.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory update buffer overflow DoS security fix Red Hat Enterprise Linux libguestfs

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 9) - aarch64, noarch, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, noarch, s390x, x86_64

Bugs Fixed

1674392 - No return values from a directory listing when there are simply too many files in that directory (NULL value return)

1794518 - Rewrite libguestfs use of setfiles so that it doesn't stop on ext4 immutable bits

1809453 - [RFE] Add support for LUKS encrypted disks with Clevis & Tang

1844341 - The duplicate block device is listed when iface is set to 'virtio'

1965941 - lvm-set-filter failed in guestfish with the latest lvm2 package

2033247 - document encrypted RBD disk limitation

2059285 - RFE: Rebase libguestfs to 1.48 in RHEL 9.1

2065172 - SHA 1 signatures required to inspect packages in RHEL 6 guests [rhel-9.1.0]

2084568 - Disable 5-level page tables when using -cpu max

2086368 - Add Rocky Linux to list of REDHAT distros for code generation

2097718 - Please build and ship php bindings to libguestfs

2100862 - CVE-2022-2211 libguestfs: Buffer overflow in get_keys leads to DoS

2117004 - RFE: Add support for Zstandard compression to guestfs_file_architecture API

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