CVE-2025-21967

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21967
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280 Patch
https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31 Patch
https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a Patch
https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*
History

14 Apr 2025, 12:38

Type Values Removed Values Added
CWE CWE-416
CPE cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
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:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: se corrige el problema de use-after-free en ksmbd_free_work_struct -> la entrada provisional de ksmbd_work podría eliminarse tras la liberación del bloqueo de operón. No es necesario gestionarlo con una lista enlazada. La solicitud provisional podría enviarse inmediatamente cuando se requiera una espera para la interrupción del bloqueo de operón.
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
References () https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280 - () https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280 - Patch
References () https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31 - () https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31 - Patch
References () https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a - () https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a - Patch
References () https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3 - () https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3 - Patch

01 Apr 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-01 16:15

Updated : 2025-04-16 14:15

NVD link : CVE-2025-21967

Mitre link : CVE-2025-21967

CVE.ORG link : CVE-2025-21967

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free