CVE-2024-2496

Libvirt: null pointer dereference in udevconnectlistallinterfaces()

CVSS 5 MEDIUMEPSS 0.3%CWE-476

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

18 Mar 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Affected products

libvirtRed 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 Red Hat · Red Hat Enterprise Linux 9

References

https://access.redhat.com/errata/RHSA-2024:2236 https://access.redhat.com/security/cve/CVE-2024-2496 https://bugzilla.redhat.com/show_bug.cgi?id=2269672 https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html