Vulnerability · Published Jul 24, 2023 · Assigned by redhat
CVE-2023-3750Libvirt: improper locking in virstoragepoolobjlistsearch may lead to denial of service
Medium 6.5
In plain English
A medium-severity security flaw in Red Hat Enterprise Linux 6 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 44.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw was found in libvirt. The virStoragePoolObjListSearch function does not return a locked pool as expected, resulting in a race condition and denial of service when attempting to lock the same object from another thread. This issue could allow clients connecting to the read-only socket to crash the libvirt daemon.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | libvirt | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-client | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-client-qemu | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-common | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-config-network | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-config-nwfilter | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-interface | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-network | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-nodedev | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-nwfilter | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-qemu | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-secret | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-storage | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-storage-core | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-storage-disk | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-storage-iscsi | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-storage-logical | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-storage-mpath | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-storage-rbd | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-driver-storage-scsi | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-kvm | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-lock | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-log | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-plugin-lockd | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-plugin-sanlock | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-daemon-proxy | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-devel | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-docs | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-libs | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| AlmaLinux:9 | libvirt-nss | 9.5.0-7.el9_3.alma.1 | ALSA-2023:6409 |
| Debian:12 | libvirt | 9.0.0-4+deb12u1 | DEBIAN-CVE-2023-3750 |
| Debian:13 | libvirt | 9.6.0-1 | DEBIAN-CVE-2023-3750 |
| Debian:14 | libvirt | 9.6.0-1 | DEBIAN-CVE-2023-3750 |
| Ubuntu:22.04:LTS | libvirt | 8.0.0-1ubuntu7.6 | UBUNTU-CVE-2023-3750 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Red Hat | Red Hat Enterprise Linux 6 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | see references |
Weakness: CWE-667 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- RHSA-2023:6409 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2023-3750 vdb-entry, x_refsource_REDHAT
- RHBZ#2222210 issue-tracking, x_refsource_REDHAT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EVK6JKP36CHE7YAFDJNPNLTW4OWJJ7TQ/ x_transferred