Description
A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw could be used to perform a denial of service attack by causing the libvirt daemon to crash.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libvirt | 9.0.0 – < 9.7.0 | 9.7.0 |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libvirt | 9.8.0-1 | — |
| Debian 13 | libvirt | 9.8.0-1 | — |
| Debian 12 | libvirt | 9.0.0-4+deb12u1 | — |
| Debian 10 | libvirt | 5.0.0-4+deb10u2 | DLA-3778-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | libvirt | 12.0.0-1ubuntu5.3 | USN-8652-1 |
| Ubuntu 24.04 LTS | libvirt | 10.0.0-2ubuntu8.16 | USN-8652-1 |
| Ubuntu 22.04 LTS | libvirt | 8.0.0-1ubuntu7.10 | USN-8652-1, USN-6734-1 |
| Ubuntu 20.04 LTS | libvirt | 6.0.0-0ubuntu8.19 | USN-6734-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | libvirt | 6.0.0-0ubuntu8.20+esm1 | USN-8652-1 |
| Ubuntu Pro 18.04 LTS | libvirt | 4.0.0-1ubuntu8.21+esm1 | USN-8652-1 |
| Ubuntu Pro 16.04 LTS | libvirt | 1.3.1-1ubuntu10.31+esm1 | USN-8652-1 |
| Ubuntu Pro 14.04 LTS | libvirt | 1.2.2-0ubuntu13.1.28+esm2 | USN-8652-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | libvirt +30 | 10.0.0-6.el9_4 | RHSA-2024:2236 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | libvirt +30 | 10.0.0-6.el9_4.alma.1 | ALSA-2024:2236 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | libvirt | 9.0.0-150500.6.20.1 | SUSE-SU-2024:1099-1 |
| SLES 12 SP5 | libvirt | 5.1.0-13.39.1 | SUSE-SU-2024:1005-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | libvirt | 5.1.0-13.39.1 | SUSE-SU-2024:1005-1 |
| SLE Micro 5.5 | libvirt | 9.0.0-150500.6.20.1 | SUSE-SU-2024:1099-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | libvirt | 9.0.0-150500.6.20.1 | SUSE-SU-2024:1099-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libvirt +30 | 4.5.0-36.amzn2.3.1 | ALAS2-2024-2513 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | libvirt | 7.10.0-8 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | libvirt +30 | 10.0.0-6.0.1.el9_4 | ELSA-2024-2236 |
Advisories 10
- ALSA-2024:2236 Moderate: libvirt security update AlmaLinux Security Advisories · Oct 29, 2026
- USN-8652-1 libvirt vulnerabilities Ubuntu Security Notices (USN) · Aug 20, 2026
- RHSA-2024:2236 Red Hat Security Advisory: libvirt security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-6734-1 libvirt vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-3778-1 libvirt - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2024:1099-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1005-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0645 libvirt: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · May 7, 2024
- ELSA-2024-2236 Moderate: libvirt security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 3, 2024
- ALAS2-2024-2513 Moderate: libvirt security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 15, 2024
References
- RHSA-2024:2236 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2024-2496 vdb-entry
- RHBZ#2269672 issue-tracking