CVE-2025-37777
- Source
- https://cve.org/CVERecord?id=CVE-2025-37777
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37777.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-37777
- Downstream
- Published
- 2025-05-01T13:07:15Z
- Modified
- 2026-08-12T03:30:16Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- ksmbd: fix use-after-free in __smb2_lease_break_noti()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix use-after-free in __smb2_lease_break_noti()
Move tcp_transport free to ksmbd_conn_free. If ksmbd connection is referenced when ksmbd server thread terminates, It will not be freed, but conn->tcp_transport is freed. __smb2_lease_break_noti can be performed asynchronously when the connection is disconnected. __smb2_lease_break_noti calls ksmbd_conn_write, which can cause use-after-free when conn->ksmbd_transport is already freed.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37777.json" }- References
-
- https://git.kernel.org/stable/c/1aec4d14cf81b7b3e7b69eb1cfa94144eed7138e
- https://git.kernel.org/stable/c/1da8bd9a10ecd718692732294d15fd801c0eabb5
- https://git.kernel.org/stable/c/21a4e47578d44c6b37c4fc4aba8ed7cc8dbb13de
- https://git.kernel.org/stable/c/e59796fc80603bcd8569d4d2e10b213c1918edb4
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37777.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-37777
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced0626e6641f6b467447c81dd7678a69c66f7746cfFixed1da8bd9a10ecd718692732294d15fd801c0eabb5Fixed1aec4d14cf81b7b3e7b69eb1cfa94144eed7138eFixede59796fc80603bcd8569d4d2e10b213c1918edb4Fixed21a4e47578d44c6b37c4fc4aba8ed7cc8dbb13de