CVE-2025-37899
HIGH 8.8EPSS 1.0%
In the Linux kernel, the following vulnerability has been resolved:ksmbd: fix use-after-free in session logoffThe sess->user object can currently be in use by another thread, forexample if another connection has sent a session setup request tobind to the session being free'd. The handler for that connection couldbe in the smb2_sess_setup function which makes use of sess->user.
- CVSS v3.1
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.97% chance of exploitation in the next 30 days, 60th percentile
- Published
- 2025-05-20
- Updated
- 2026-08-05
Proof-of-concept exploits (3)
- https://news.ycombinator.com/item?id=44081338
- SeanHeelan/o3_finds_cve-2025-37899354★ · 2025-05-22
- vett3x/SMB-LINUX-CVE-2025-378990★ · 2025-06-09