Bug 2363313 (CVE-2025-37740) - CVE-2025-37740 kernel: jfs: add sanity check for agwidth in dbMount
Summary: CVE-2025-37740 kernel: jfs: add sanity check for agwidth in dbMount
Keywords:
Status: NEW
Alias: CVE-2025-37740
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: 2025-05-01 14:03 UTC by OSIDB Bzimport
Modified: 2025-05-02 04:32 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-05-01 14:03:20 UTC 
In the Linux kernel, the following vulnerability has been resolved:

jfs: add sanity check for agwidth in dbMount

The width in dmapctl of the AG is zero, it trigger a divide error when
calculating the control page level in dbAllocAG.

To avoid this issue, add a check for agwidth in dbAllocAG.
Comment 1 Avinash Hanwate 2025-05-02 04:28:18 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025050133-CVE-2025-37740-bf8e@gregkh/T
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