// For flags

CVE-2025-38437

ksmbd: fix potential use-after-free in oplock/lease break ack

Severity Score

7.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potential use-after-free in oplock/lease break ack If ksmbd_iov_pin_rsp return error, use-after-free can happen by
accessing opinfo->state and opinfo_put and ksmbd_fd_put could
called twice.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: corrige el uso potencial use-after-free en el acuse de recibo de interrupción de oplock/lease Si ksmbd_iov_pin_rsp devuelve un error, el use-after-free puede ocurrir al acceder a opinfo->state y opinfo_put y ksmbd_fd_put podrían ser llamados dos veces.

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potential use-after-free in oplock/lease break ack If ksmbd_iov_pin_rsp return error, use-after-free can happen by accessing opinfo->state and opinfo_put and ksmbd_fd_put could called twice.

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. For the stable distribution (trixie), these problems have been fixed in version 6.12.41-1.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2025-04-16 CVE Reserved
  • 2025-07-25 CVE Published
  • 2025-07-29 CVE Updated
  • 2025-08-26 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 5.15 < 6.1.146
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.1.146"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 5.15 < 6.6.99
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.6.99"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 5.15 < 6.12.39
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.12.39"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 5.15 < 6.15.7
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.15.7"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 5.15 < 6.16
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.16"
en
Affected