Bug 2356605 (CVE-2025-21966)

Summary:	CVE-2025-21966 kernel: dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature
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, michael.h.hall-1, vkumar
Target Milestone:	---	Keywords:	Security
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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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Description OSIDB Bzimport 2025-04-01 16:02:14 UTC

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

dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature

Fix memory corruption due to incorrect parameter being passed to bio_init

Comment 1 Robb Gatica 2025-04-02 04:12:31 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025040145-CVE-2025-21966-afc6@gregkh/T

Comment 2 errata-xmlrpc 2025-05-19 03:26:22 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:7903 https://access.redhat.com/errata/RHSA-2025:7903

Comment 3 errata-xmlrpc 2025-05-19 09:41:17 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:7956 https://access.redhat.com/errata/RHSA-2025:7956