RHSA-2023:3491: Important: Red Hat Virtualization Host 4.4.z SP 1 security update
First published: Tue Jun 06 2023(Updated: )
Security Fix(es):<br><li> kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)</li> <li> kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)</li> <li> samba: RC4/HMAC-MD5 NetLogon Secure Channel is weak and should be avoided (CVE-2022-38023)</li> <li> kernel: mm/mremap.c use-after-free vulnerability (CVE-2022-41222)</li> <li> kernel: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)</li> <li> openvswitch: ip proto 0 triggers incorrect handling (CVE-2023-1668)</li> 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/redhat-release-virtualization-host | <4.5.3-7.el8e | 4.5.3-7.el8e |
| redhat/redhat-release-virtualization-host-content | <4.5.3-7.el8e | 4.5.3-7.el8e |
| redhat/redhat-virtualization-host-image-update-placeholder | <4.5.3-7.el8e | 4.5.3-7.el8e |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2137666
- https://bugzilla.redhat.com/show_bug.cgi?id=2138818
- https://bugzilla.redhat.com/show_bug.cgi?id=2150999
- https://bugzilla.redhat.com/show_bug.cgi?id=2152548
- https://bugzilla.redhat.com/show_bug.cgi?id=2154362
- https://bugzilla.redhat.com/show_bug.cgi?id=2176192
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2023:3491 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2023:3491?
The severity level of RHSA-2023:3491 is classified as critical due to multiple vulnerabilities including a use-after-free and stack overflow.
How do I fix RHSA-2023:3491?
To fix RHSA-2023:3491, apply the latest security updates to the affected packages as specified in the Red Hat advisory.
What vulnerabilities are addressed in RHSA-2023:3491?
RHSA-2023:3491 addresses several vulnerabilities including CVE-2022-3564 (use-after-free) and CVE-2022-4378 (stack overflow).
Which software versions are affected by RHSA-2023:3491?
RHSA-2023:3491 affects versions up to 4.5.3-7.el8e of redhat-release-virtualization-host and related packages.
Is there a workaround for RHSA-2023:3491?
There is no specific workaround for RHSA-2023:3491; the recommended action is to update the affected packages.
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