Bug 2297523 (CVE-2024-40939) - CVE-2024-40939 kernel: net: wwan: iosm: Fix tainted pointer delete is case of region creation fail
Summary: CVE-2024-40939 kernel: net: wwan: iosm: Fix tainted pointer delete is case of...
Keywords:
Status: NEW
Alias: CVE-2024-40939
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-07-12 13:36 UTC by OSIDB Bzimport
Modified: 2024-09-04 08:15 UTC (History)
4 users (show)

Fixed In Version: kernel 6.1.95, kernel 6.6.35, kernel 6.9.6, kernel 6.10-rc3
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2024:6299 0 None None None 2024-09-04 08:15:13 UTC
Red Hat Product Errata RHSA-2024:5928 0 None None None 2024-08-28 12:21:03 UTC

Description OSIDB Bzimport 2024-07-12 13:36:31 UTC 
In the Linux kernel, the following vulnerability has been resolved:

net: wwan: iosm: Fix tainted pointer delete is case of region creation fail

In case of region creation fail in ipc_devlink_create_region(), previously
created regions delete process starts from tainted pointer which actually
holds error code value.
Fix this bug by decreasing region index before delete.

Found by Linux Verification Center (linuxtesting.org) with SVACE.
Comment 5 errata-xmlrpc 2024-08-28 12:21:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:5928 https://access.redhat.com/errata/RHSA-2024:5928
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