In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix race with concurrent opens in rename(2)
Besides sending the rename request to the server, the rename process
also involves closing any deferred close, waiting for outstanding I/O
to complete as well as marking all existing open handles as deleted to
prevent them from deferring closes, which increases the race window
for potential concurrent opens on the target file.
Fix this by unhashing the dentry in advance to prevent any concurrent
opens on the target.
Metrics
Affected Vendors & Products
References
History
Wed, 17 Sep 2025 11:00:00 +0000
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Linux
Linux linux Kernel |
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Vendors & Products |
Linux
Linux linux Kernel |
Wed, 17 Sep 2025 00:15:00 +0000
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References |
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Metrics |
threat_severity
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cvssV3_1
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Tue, 16 Sep 2025 13:15:00 +0000
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Description | In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename(2) Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all existing open handles as deleted to prevent them from deferring closes, which increases the race window for potential concurrent opens on the target file. Fix this by unhashing the dentry in advance to prevent any concurrent opens on the target. | |
Title | smb: client: fix race with concurrent opens in rename(2) | |
References |
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Status: PUBLISHED
Assigner: Linux
Published: 2025-09-16T13:00:23.897Z
Updated: 2025-09-16T13:00:23.897Z
Reserved: 2025-04-16T07:20:57.140Z
Link: CVE-2025-39825

No data.

Status : Awaiting Analysis
Published: 2025-09-16T13:16:01.780
Modified: 2025-09-17T14:18:55.093
Link: CVE-2025-39825
