Home/CVE/A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occu
CVE

CVE-2024-2496

A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occu

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.

MEDIUM · CVSS 5 EPSS 0.00059
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

3
redhat libvirt< 9.8.0
redhat enterprise linuxall versions
debian linuxall versions
▣

Scoring & Timeline

5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Mar 2024 · 01:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

5
msrcCVE-2024-2496
usnUSN-6734-1
suse-csafSUSE-SU-2024:1099-1
suse-csafSUSE-SU-2024:1005-1
rhsaRHSA-2024:2236Moderate
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2024-2496Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2269672Issue TrackingPatch
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.htmlMailing List
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