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VULNERABILITIES

CVE-2025-21967 Details

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_free_work_struct ->interim_entry of ksmbd_work could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock break wait is needed.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: CISA-ADPCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280 kernel.orgPatch
https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31 kernel.orgPatch
https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a kernel.orgPatch
https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3 kernel.orgPatch

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]
CWE-416Use After FreeCISA-ADP

Affected Products

ProductVersions
linux linux kernel
>= 5.15, < 6.6.84
>= 6.7, < 6.12.20
>= 6.13, < 6.13.8
6.14 rc1
6.14 rc2

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14:rc6:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-21967
NVD Published Date:
Apr 1, 2025
NVD Last Modified:
Jul 30, 2026
Source:
kernel.org