CVE-2025-37956

Medium

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent rename with empty string Client can send empty newname string to ksmbd server. It will cause a kernel oops from d_alloc. This patch return the error when attempting to rename a file or directory with an empty new name string.

Package Linux Kernel
Published 2025-05-20
Last modified 2025-11-14
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 6.6.91, 6.12.29, 6.14.7, 6.15 and their respective stable series.

Affected from
≥ 5.15
Fixed in
✓ 6.6.91 6.6.x ✓ 6.12.29 6.12.x ✓ 6.14.7 6.14.x ✓ 6.15

References

4 total

Frequently asked questions

  • What is CVE-2025-37956?

    CVE-2025-37956 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.15 onward and has been patched in 6.6.91, 6.12.29, 6.14.7 and others. CVE-2025-37956 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2025-37956?

    CVE-2025-37956 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2025-37956?

    Yes. CVE-2025-37956 has been patched. Fixed versions include 6.6.91, 6.12.29, 6.14.7 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2025-37956 actively exploited?

    No. CVE-2025-37956 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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