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The vulnerability of the smb2_sess_setup function in the fs/smb/server/smb2pdu.c module of the ksmbd component of the Linux operating system allows a hacker to cause a service failure.

🗓️ 27 May 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 7 Views

Vulnerability in ksmbd smb2_sess_setup may use memory after free, enabling remote attacker to cause service disruption.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for CVE-2025-37899
22 May 202510:36
githubexploit
AstraLinux
Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12
16 Jun 202511:28
astralinux
Circl
CVE-2025-37899
21 May 202508:47
circl
CNNVD
Linux kernel 安全漏洞
20 May 202500:00
cnnvd
CVE
CVE-2025-37899
20 May 202515:21
cve
Cvelist
CVE-2025-37899 ksmbd: fix use-after-free in session logoff
20 May 202515:21
cvelist
Debian
[SECURITY] [DLA 4436-1] linux-6.1 security update
14 Jan 202613:50
debian
Debian CVE
CVE-2025-37899
20 May 202515:21
debiancve
Tenable Nessus
Debian dla-4436 : linux-config-6.1 - security update
14 Jan 202600:00
nessus
Tenable Nessus
Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20480)
18 Jul 202500:00
nessus
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Vulners
Node
canonicalubuntuMatch24.10
OR
canonicalubuntuMatch25.04

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13 Apr 2026 00:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 38.8
CVSS 210
EPSS0.00384
7