CVE-2026-64062 netfs: Fix potential deadlock in write-through mode

🗓️ 19 Jul 2026 15:39:41Reported by GoogleType

osv

osv🔗 osv.dev👁 4 Views

Fix deadlock in write-through mode by unlocking the folio and marking it dirty if not yet written.

Reporter	Title	Published	Views	Family All 9
CVE	CVE-2026-64062	19 Jul 202615:39	–	cve
Cvelist	CVE-2026-64062 netfs: Fix potential deadlock in write-through mode	19 Jul 202615:39	–	cvelist
EUVD	EUVD-2026-45635	19 Jul 202615:39	–	euvd
NVD	CVE-2026-64062	19 Jul 202616:17	–	nvd
OSV	DEBIAN-CVE-2026-64062	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-64062	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61379	19 Jul 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-64062	20 Jul 202610:42	–	redhatcve
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-64062	20 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/003aa0dd26c964025acd6d1213bcdbd674db2ca9
git	www.git.kernel.org/stable/c/1468f39243ccb155b6d97f9a9932f610d1205d75
git	www.git.kernel.org/stable/c/b6a4ae1634b3ad2aaa05222e53d36da532852faf
git	www.git.kernel.org/stable/c/e40e9cbf3ee4d30ee9a97bd128c85500b6ad0da1
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64062.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-64062

20 Jul 2026 03:47Current

5.3Medium risk

Vulners AI Score5.3

EPSS0.00168

netfs deadlock write through mode unlock folio mark dirty memory mapped reads writeback prevention