CVE-2025-37899
- Source
- https://cve.org/CVERecord?id=CVE-2025-37899
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37899.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-37899
- Downstream
- Published
- 2025-05-20T15:21:34.782Z
- Modified
- 2026-05-28T03:52:40.396758282Z
- Summary
- ksmbd: fix use-after-free in session logoff
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix use-after-free in session logoff
The sess->user object can currently be in use by another thread, for example if another connection has sent a session setup request to bind to the session being free'd. The handler for that connection could be in the smb2sesssetup function which makes use of sess->user.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37899.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/02d16046cd11a5c037b28c12ffb818c56dd3ef43
- https://git.kernel.org/stable/c/2fc9feff45d92a92cd5f96487655d5be23fb7e2b
- https://git.kernel.org/stable/c/70ad6455139e26e85f48f95d0e21f351c1909342
- https://git.kernel.org/stable/c/931dc8a3670f71c45c0b1379ea4e92dafbda1aca
- https://git.kernel.org/stable/c/d5ec1d79509b3ee01de02c236f096bc050221b7f
- https://news.ycombinator.com/item?id=44081338
- https://sean.heelan.io/2025/05/22/how-i-used-o3-to-find-cve-2025-37899-a-remote-zeroday-vulnerability-in-the-linux-kernels-smb-implementation/
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37899.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-37899
- 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
-
Introduced0626e6641f6b467447c81dd7678a69c66f7746cfFixed931dc8a3670f71c45c0b1379ea4e92dafbda1acaFixed70ad6455139e26e85f48f95d0e21f351c1909342Fixedd5ec1d79509b3ee01de02c236f096bc050221b7fFixed02d16046cd11a5c037b28c12ffb818c56dd3ef43Fixed2fc9feff45d92a92cd5f96487655d5be23fb7e2b