Bug 2309791 (CVE-2024-44960)

Summary:	CVE-2024-44960 kernel: usb: gadget: core: Check for unset descriptor
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dfreiber, drow, jburrell, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2309832
Bug Blocks:

Description OSIDB Bzimport 2024-09-04 19:21:00 UTC

In the Linux kernel, the following vulnerability has been resolved:

usb: gadget: core: Check for unset descriptor

Make sure the descriptor has been set before looking at maxpacket.
This fixes a null pointer panic in this case.

This may happen if the gadget doesn't properly set up the endpoint
for the current speed, or the gadget descriptors are malformed and
the descriptor for the speed/endpoint are not found.

No current gadget driver is known to have this problem, but this
may cause a hard-to-find bug during development of new gadgets.

Comment 1 Robb Gatica 2024-09-04 20:18:14 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024090413-CVE-2024-44960-039b@gregkh/T

Comment 2 errata-xmlrpc 2024-11-12 09:39:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9315 https://access.redhat.com/errata/RHSA-2024:9315