CVE-2026-64139

🗓️ 19 Jul 2026 16:17:55Reported by [email protected]Type

Linux kernel ksmbd fixes leak on overflow in set_posix_acl_entries_dacl by freeing smb_sid at break.

Reporter	Title	Published	Views	Family All 39
attackerkb	CVE-2026-64139	19 Jul 202615:40	–	attackerkb
AstraLinux	Astra Linux – Vulnerability in Linux 6.12	8 May 202609:09	–	astralinux
Circl	CVE-2026-64139	1 Oct 202618:00	–	circl
CVE	CVE-2026-64139	19 Jul 202615:40	–	cve
Cvelist	CVE-2026-64139 ksmbd: fix SID memory leak in set_posix_acl_entries_dacl() on overflow	19 Jul 202615:40	–	cvelist
Debian	[SECURITY] [DLA 4777-1] linux security update	8 Sep 202616:49	–	debian
Debian CVE	CVE-2026-64139	19 Jul 202615:40	–	debiancve
Tenable Nessus	Debian dla-4777 : ata-modules-6.1.0-52-armmp-di - security update	8 Sep 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-0864	5 Jun 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-92-0864	10 Aug 202600:00	–	nessus

NVD

Node

linux linux_kernelRange6.1.175–6.2

linux linux_kernelRange6.6.136–6.6.142

linux linux_kernelRange6.12.84–6.12.92

linux linux_kernelRange6.18.25–6.18.34

linux linux_kernelRange7.0.2–7.0.11

Source	Link
git	www.git.kernel.org/stable/c/af92ee994cc7f7e83a41c2025f32257a2f82a7ef
git	www.git.kernel.org/stable/c/0e198f09cb2a554c04de0fea4e790f1250a943ca
git	www.git.kernel.org/stable/c/519fb0a42ce5d7e46935577309fb282a5f2c6ea3
git	www.git.kernel.org/stable/c/9d378e17c864da08c3a4df41dae92cfa6468b00a
git	www.git.kernel.org/stable/c/9b0a8985b419a71ee1cc9c0cc6a9e1bb7815a2c5
git	www.git.kernel.org/stable/c/eced48cb08f07393a5ea770fdd1026452883c3ad

23 Aug 2026 13:16Current

CVSS 3.15.5

EPSS0.00173