CVE•Published 2025-05-20•Modified 2026-07-30•1 article on news•6 live references•NVD data
CVE-2025-37899Linux · Linux_kernel
Vulnerability data via NVD (ingested)
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 percentile
38
Exploit Prediction Scoring System · top 62% of all CVEs
Weaknesses (CWE)
Description
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 smb2_sess_setup function which makes use of sess->user.
Timeline
Published 2025-05-20
Modified 2026-07-30
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2025-37899Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Linux Kernel"Hosts Shodan identified as running Linux Kernel.
More intel sources (5)
Shodan report
vuln:CVE-2025-37899Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-37899Censys host search filtered to this CVE id.
grep.app
CVE-2025-37899Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-37899GitHub code search for direct mentions.
Google dork
"CVE-2025-37899" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2025-378998 repos
xairy/linux-kernel-exploitationunknown
A collection of links related to Linux kernel security and exploitation
0xor0ne/awesome-listunknown
Cybersecurity oriented awesome list
GhostTroops/TOPShell
TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things
SeanHeelan/o3_finds_cve-2025-37899unknown
Artefacts for blog post on finding CVE-2025-37899 with o3
SalvatoreRa/ML-news-of-the-weekunknown
A collection of the the best ML and AI news every week (research, news, resources)
dust-tt/srchdTypeScript
Research agents harness
tylzars/awesome-vrre-writeupsunknown
A collection of Vulnerability Research and Reverse Engineering writeups.
voidr3aper-anon/ghostShell