In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix bug on trap in smb2_lock
If lock count is greater than 1, flags could be old value.
It should be checked with flags of smb_lock, not flags.
It will cause bug-on trap from locks_free_lock in error handling
routine.
            ksmbd: fix bug on trap in smb2_lock
If lock count is greater than 1, flags could be old value.
It should be checked with flags of smb_lock, not flags.
It will cause bug-on trap from locks_free_lock in error handling
routine.
Metrics
Affected Vendors & Products
Advisories
    | Source | ID | Title | 
|---|---|---|
|  Debian DLA | DLA-4193-1 | linux-6.1 security update | 
|  Debian DSA | DSA-5900-1 | linux security update | 
|  EUVD | EUVD-2025-9377 | In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2_lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smb_lock, not flags. It will cause bug-on trap from locks_free_lock in 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 | 
Fixes
    Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
        History
                    Thu, 30 Oct 2025 19:45:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | Linux Linux linux Kernel | |
| Weaknesses | CWE-667 | |
| 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 | 
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 bug on trap in smb2_lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smb_lock, not flags. It will cause bug-on trap from locks_free_lock in error handling routine. | |
| Title | ksmbd: fix bug on trap in smb2_lock | |
| References |  | 
 | 
 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-05-04T07:25:22.648Z
Reserved: 2024-12-29T08:45:45.790Z
Link: CVE-2025-21944
 Vulnrichment
                        Vulnrichment
                    No data.
 NVD
                        NVD
                    Status : Analyzed
Published: 2025-04-01T16:15:25.513
Modified: 2025-10-30T19:43:46.573
Link: CVE-2025-21944
 Redhat
                        Redhat
                     OpenCVE Enrichment
                        OpenCVE Enrichment
                    No data.