CVE-2024-2496
Libvirt: null pointer dereference in udevconnectlistallinterfaces()
- State
- Published
- Severity
- 5.0 Medium
- Published
- Mar 18, 2024
- Updated
- Nov 8, 2025
- Reserved
- Mar 15, 2024
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.0 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H | redhat |
Weaknesses
- CWE-476 NULL Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
libvirt |
|
Red Hat Enterprise Linux 9Red Hat |
|
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 8 Advanced VirtualizationRed Hat |
References
- RHSA-2024:2236vendor-advisory
- https://access.redhat.com/security/cve/CVE-2024-2496vdb-entry
- RHBZ#2269672issue-tracking
- https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
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