CVE-2026-64379 smb: client: mask server-provided mode to 07777 in modefromsid

🗓️ 25 Jul 2026 08:50:29Reported by GoogleType

osv

osv🔗 osv.dev👁 2 Views

Smb client masks server provided mode to 07777 in modefromsid when parsing discretionary access control lists.

Reporter	Title	Published	Views	Family All 10
CVE	CVE-2026-64379	25 Jul 202608:50	–	cve
Cvelist	CVE-2026-64379 smb: client: mask server-provided mode to 07777 in modefromsid	25 Jul 202608:50	–	cvelist
Debian CVE	CVE-2026-64379	25 Jul 202608:50	–	debiancve
EUVD	EUVD-2026-48923	25 Jul 202608:50	–	euvd
NVD	CVE-2026-64379	25 Jul 202610:17	–	nvd
OSV	DEBIAN-CVE-2026-64379	25 Jul 202610:17	–	osv
OSV	ECHO-182F-D32E-84D2	26 Jul 202602:26	–	osv
Positive Technologies	PT-2026-64600	25 Jul 202600:00	–	ptsecurity
SUSE CVE	SUSE CVE-2026-64379	25 Jul 202616:00	–	susecve
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-64379	25 Jul 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
git	www.git.kernel.org/stable/c/08c600b7e1818539ba5efee4cdb06215c245ca78
git	www.git.kernel.org/stable/c/5f6f2241034f189c69d4d0b5f8fe24a0c25b0c14
git	www.git.kernel.org/stable/c/b84e002e0df26bbc6cbd3ca01b8212601fe0ae7d
git	www.git.kernel.org/stable/c/c6c484a7d5bff6b929a86d7ed5130f29834c6a0d
git	www.git.kernel.org/stable/c/e3d9c7160d483fc8f9e225aafad8ecbbc43f3151
git	www.git.kernel.org/stable/c/ee2216dbdf0c677e89bb43e03247dba590ed00ef
git	www.git.kernel.org/stable/c/f511807feee7cb29b61bdfa86472c7e9e2e5df94
git	www.git.kernel.org/stable/c/f80add1bfb3425100a325b14f19648e75669a954
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64379.json

26 Jul 2026 05:17Current

5.7Medium risk

Vulners AI Score5.7

EPSS0.0022

server provided mode modefromsid discretionary access control masking octal mode