Bug 2307869 (CVE-2024-43896)

Summary:	CVE-2024-43896 kernel: ASoC: cs-amp-lib: Fix NULL pointer crash if efi.get_variable is NULL
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:
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Bug Depends On:	2308178
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Description OSIDB Bzimport 2024-08-26 11:21:00 UTC

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

ASoC: cs-amp-lib: Fix NULL pointer crash if efi.get_variable is NULL

Call efi_rt_services_supported() to check that efi.get_variable exists
before calling it.

Comment 1 Mauro Matteo Cascella 2024-08-27 14:58:47 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024082610-CVE-2024-43896-10b9@gregkh/T