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Red Hat Virtualization 4.4.z SP 1 Important Update: Security Fixes

red hat
Calendar Grey June 6, 2023
Dist Redhat Esm H88
Notice of security enhancement for Red Hat Virtualization reflecting essential measures for various elements and their resolutions.
An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

Solution

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

https://access.redhat.com/articles/2974891

Summary

Security Fix(es):
* kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)
* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)
* samba: RC4/HMAC-MD5 NetLogon Secure Channel is weak and should be avoided (CVE-2022-38023)
* kernel: mm/mremap.c use-after-free vulnerability (CVE-2022-41222)
* kernel: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
* openvswitch: ip proto 0 triggers incorrect handling (CVE-2023-1668)
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.

Topics%20covered

Topics Covered

security advisory update samba security fix kernel security impact Red Hat Virtualization

References

https://access.redhat.com/security/cve/CVE-2022-3564 https://access.redhat.com/security/cve/CVE-2022-4378 https://access.redhat.com/security/cve/CVE-2022-38023 https://access.redhat.com/security/cve/CVE-2022-41222 https://access.redhat.com/security/cve/CVE-2023-0461 https://access.redhat.com/security/cve/CVE-2023-1668 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Virtualization 4 Hypervisor for RHEL 8:
Source: redhat-virtualization-host-4.5.3-202306050942_8.6.src.rpm
x86_64: redhat-virtualization-host-image-update-4.5.3-202306050942_8.6.x86_64.rpm
RHEL 8-based RHEV-H for RHEV 4 (build requirements):
Source: redhat-release-virtualization-host-4.5.3-7.el8ev.src.rpm
noarch: redhat-virtualization-host-image-update-placeholder-4.5.3-7.el8ev.noarch.rpm
x86_64: redhat-release-virtualization-host-4.5.3-7.el8ev.x86_64.rpm redhat-release-virtualization-host-content-4.5.3-7.el8ev.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:3491-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3491
Issue date: 2023-06-06

Topic

An update for redhat-release-virtualization-host andredhat-virtualization-host is now available for Red Hat Virtualization 4for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory update samba security fix kernel security impact Red Hat Virtualization

Relevant Releases Architectures

RHEL 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64

Red Hat Virtualization 4 Hypervisor for RHEL 8 - x86_64

Bugs Fixed

2137666 - CVE-2023-1668 openvswitch: ip proto 0 triggers incorrect handling

2138818 - CVE-2022-41222 kernel: mm/mremap.c use-after-free vulnerability

2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c

2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces

2154362 - CVE-2022-38023 samba: RC4/HMAC-MD5 NetLogon Secure Channel is weak and should be avoided

2176192 - CVE-2023-0461 kernel: net/ulp: use-after-free in listening ULP sockets

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