Bug 2405128 (CVE-2025-40010) - CVE-2025-40010 kernel: afs: Fix potential null pointer dereference in afs_put_server
Summary: CVE-2025-40010 kernel: afs: Fix potential null pointer dereference in afs_put...
Keywords:
Status: NEW
Alias: CVE-2025-40010
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-20 17:23 UTC by OSIDB Bzimport
Modified: 2025-10-20 17:53 UTC (History)
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Description OSIDB Bzimport 2025-10-20 17:23:44 UTC 
In the Linux kernel, the following vulnerability has been resolved:

afs: Fix potential null pointer dereference in afs_put_server

afs_put_server() accessed server->debug_id before the NULL check, which
could lead to a null pointer dereference. Move the debug_id assignment,
ensuring we never dereference a NULL server pointer.
Comment 1 Jon Moroney 2025-10-20 17:50:28 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025102002-CVE-2025-40010-5f54@gregkh/T
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