ksmbd: fix use-after-free in smb2_lock
If smb_lock->zero_len has value, ->llist of smb_lock is not delete and
flock is old one. It will cause use-after-free on error handling
routine.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4193-1 | linux-6.1 security update |
Debian DSA |
DSA-5900-1 | linux security update |
EUVD |
EUVD-2025-9376 | In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2_lock If smb_lock->zero_len has value, ->llist of smb_lock is not delete and flock is old one. It will cause use-after-free on error handling routine. |
Ubuntu USN |
USN-7605-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7605-2 | Linux kernel (Low Latency) vulnerabilities |
Ubuntu USN |
USN-7606-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-7628-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7764-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7764-2 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-7765-1 | Linux kernel (NVIDIA) vulnerabilities |
Ubuntu USN |
USN-7766-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7767-1 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-7767-2 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-7779-1 | Linux kernel (IBM) vulnerabilities |
Ubuntu USN |
USN-7790-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-7800-1 | Linux kernel (Raspberry Pi Real-time) vulnerabilities |
Ubuntu USN |
USN-7801-1 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-7802-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-7801-2 | Linux kernel (Oracle) vulnerabilities |
Ubuntu USN |
USN-7809-1 | Linux kernel (Azure, N-Series) vulnerabilities |
Ubuntu USN |
USN-7801-3 | Linux kernel (Oracle) vulnerabilities |
Mon, 03 Nov 2025 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Wed, 16 Apr 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Sat, 12 Apr 2025 03:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
threat_severity
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threat_severity
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Thu, 10 Apr 2025 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| Weaknesses | CWE-416 | |
| CPEs | 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:*:*:*:*:*:* |
|
| Vendors & Products |
Linux
Linux linux Kernel |
|
| Metrics |
cvssV3_1
|
cvssV3_1
|
Wed, 02 Apr 2025 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Tue, 01 Apr 2025 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2_lock If smb_lock->zero_len has value, ->llist of smb_lock is not delete and flock is old one. It will cause use-after-free on error handling routine. | |
| Title | ksmbd: fix use-after-free in smb2_lock | |
| References |
|
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T21:09:34.850Z
Reserved: 2024-12-29T08:45:45.790Z
Link: CVE-2025-21945
Updated: 2025-11-03T19:39:45.983Z
Status : Modified
Published: 2025-04-01T16:15:25.633
Modified: 2025-11-03T20:17:31.417
Link: CVE-2025-21945
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN