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Red Hat 8.6 RHSA-2023-4799 Moderate Memory Leak In Libvirt Module

red hat
Calendar Grey August 29, 2023
Dist Redhat Esm H88
Canonical's announcement highlights essential security patches for QEMU and KVM in Ubuntu 22.04, addressing critical vulnerabilities.
An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8.6 Extended Update Support

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

Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux (and other OSes).
Security Fix(es):
* libvirt: Memory leak in virPCIVirtualFunctionList cleanup (CVE-2023-2700)
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.
Bug Fix(es):
* "No bootable device" with OS boot disk interface VirtIO-SCSI and with more than 9 VirtIO disks. (BZ#2228486)

Topics%20covered

Topics Covered

security advisory red hat bug fix moderate impact memory leak libvirt virt-devel

References

https://access.redhat.com/security/cve/CVE-2023-2700 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux AppStream EUS (v.8.6):
Source: SLOF-20210217-1.module+el8.6.0+14480+c0a3aa0f.src.rpm hivex-1.3.18-23.module+el8.6.0+14480+c0a3aa0f.src.rpm libguestfs-1.44.0-5.module+el8.6.0+14480+c0a3aa0f.src.rpm libguestfs-winsupport-8.6-1.module+el8.6.0+14480+c0a3aa0f.src.rpm libiscsi-1.18.0-8.module+el8.6.0+14480+c0a3aa0f.src.rpm libnbd-1.6.0-5.module+el8.6.0+14480+c0a3aa0f.src.rpm libtpms-0.9.1-1.20211126git1ff6fe1f43.module+el8.6.0+18455+e5d5ac9d.src.rpm libvirt-8.0.0-5.10.module+el8.6.0+18949+ba4ca8a3.src.rpm libvirt-dbus-1.3.0-2.module+el8.6.0+14480+c0a3aa0f.src.rpm libvirt-python-8.0.0-1.1.module+el8.6.0+16381+3abc475c.src.rpm nbdkit-1.24.0-4.module+el8.6.0+14480+c0a3aa0f.src.rpm netcf-0.2.8-12.module+el8.6.0+14480+c0a3aa0f.src.rpm perl-Sys-Virt-8.0.0-1.module+el8.6.0+14480+c0a3aa0f.src.rpm qemu-kvm-6.2.0-11.module+el8.6.0+18167+43cf40f3.8.src.rpm seabios-1.15.0-2.module+el8.6.0+19580+39804e41.1.src.rpm sgabios-0.20170427git-3.module+el8.6.0+14480+c0a3aa0f.src.rpm supermin-5.2.1-1.module+el8.6.0+14480+c0a3aa0f.src.rpm swtpm-0.7.0-3.20211109gitb79fd91.module+el8.6.0+16156+d5629340.src.rpm virt-v2v-1.42.0-19.module+el8.6.0+15577+2ffd6ffa.src.rpm
aarch64: hivex-1.3.18-23.module+el8.6.0+14480+c0a3aa0f.aarch64.rpm

Read the Full Advisory


Advisory ID: RHSA-2023:4799-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4799
Issue date: 2023-08-29

Topic

An update for the virt:rhel and virt-devel:rhel modules is now availablefor Red Hat Enterprise Linux 8.6 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Moderate. 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 red hat bug fix moderate impact memory leak libvirt virt-devel

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v.8.6) - s390x, x86_64

Red Hat Enterprise Linux AppStream EUS (v.8.6) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2203653 - CVE-2023-2700 libvirt: Memory leak in virPCIVirtualFunctionList cleanup

2228486 - "No bootable device" with OS boot disk interface VirtIO-SCSI and with more than 9 VirtIO disks. [rhel-8.6.0.z]

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