CVE-2026-23205 smb/client: fix memory leak in smb2_open_file()

🗓️ 14 Feb 2026 16:27:28Reported by GoogleType

osv

osv🔗 osv.dev👁 3 Views

Fixed memory leak in smb2_open_file() during CIFS client cleanup on module unload.

Reporter	Title	Published	Views	Family All 104
ATTACKERKB	CVE-2026-23205	14 Feb 202616:27	–	attackerkb
Tenable Nessus	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1468)	6 Mar 202600:00	–	nessus
Tenable Nessus	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1487)	30 Mar 202600:00	–	nessus
Tenable Nessus	Debian dla-4499 : linux-config-6.1 - security update	13 Mar 202600:00	–	nessus
Tenable Nessus	Debian dsa-6163 : affs-modules-6.1.0-43-4kc-malta-di - security update	12 Mar 202600:00	–	nessus
Tenable Nessus	Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50160)	24 Mar 202600:00	–	nessus
Tenable Nessus	Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50232)	16 Apr 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-0770	22 Feb 202600:00	–	nessus
Tenable Nessus	Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-8278-1)	20 May 202600:00	–	nessus
Tenable Nessus	Ubuntu 24.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8289-1)	21 May 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/stable/c/3a6d6b332f92990958602c1e35ce0173e2dd62e9
git	www.git.kernel.org/stable/c/743f70406264348c0830f38409eb6c40a42fb2db
git	www.git.kernel.org/stable/c/9ee608a64e37cea5b4b13e436c559dd0fb2ad1b5
git	www.git.kernel.org/stable/c/b64e3b5d8d759dd4333992e4ba4dadf9359952c8
git	www.git.kernel.org/stable/c/e3a43633023e3cacaca60d4b8972d084a2b06236
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23205.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-23205
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

02 Apr 2026 13:12Current

5.2Medium risk

Vulners AI Score5.2

CVSS 3.15.5

EPSS0.00025

memory leak open file kernel cleanup module unload request buffers