Bug 2269672 (CVE-2024-2496) - CVE-2024-2496 libvirt: NULL pointer dereference in udevConnectListAllInterfaces()
Summary: CVE-2024-2496 libvirt: NULL pointer dereference in udevConnectListAllInterfac...
Keywords:
Status: NEW
Alias: CVE-2024-2496
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2266014
Blocks: 2269676
TreeView+ depends on / blocked
 
Reported: 2024-03-15 10:05 UTC by Mauro Matteo Cascella
Modified: 2024-03-18 12:47 UTC (History)
11 users (show)

Fixed In Version: libvirt 9.8.0
Doc Type: ---
Doc Text:
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.
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Description Mauro Matteo Cascella 2024-03-15 10:05:17 UTC 
A NULL pointer dereference issue was found in libvirt in the udevConnectListAllInterfaces() function. It could occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API.

Upstream fix:
https://gitlab.com/libvirt/libvirt/-/commit/2ca94317ac642a70921947150ced8acc674ccdc8
Comment 2 Mauro Matteo Cascella 2024-03-15 10:07:59 UTC 
Created libvirt tracking bugs for this issue:

Affects: fedora-39 [bug 2266014]
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