Bug 2356605 (CVE-2025-21966) - CVE-2025-21966 kernel: dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature
Summary: CVE-2025-21966 kernel: dm-flakey: Fix memory corruption in optional corrupt_b...
Keywords:
Status: NEW
Alias: CVE-2025-21966
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-04-01 16:02 UTC by OSIDB Bzimport
Modified: 2025-05-19 15:58 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2025:7903 0 None None None 2025-05-19 03:26:24 UTC
Red Hat Product Errata RHSA-2025:7956 0 None None None 2025-05-19 09:41:19 UTC

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
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