CVE-2026-64426 io_uring/nop: fix file reference leak with IOSQE_FIXED_FILE

🗓️ 25 Jul 2026 08:51:03Reported by GoogleType

osv

osv🔗 osv.dev👁 2 Views

Fixed file reference leak in io_uring nop by merging IORING_NOP_FIXED_FILE with REQ_F_FIXED_FILE at prep time.

Reporter	Title	Published	Views	Family All 9
CVE	CVE-2026-64426	25 Jul 202608:51	–	cve
Cvelist	CVE-2026-64426 io_uring/nop: fix file reference leak with IOSQE_FIXED_FILE	25 Jul 202608:51	–	cvelist
Debian CVE	CVE-2026-64426	25 Jul 202608:51	–	debiancve
EUVD	EUVD-2026-48770	25 Jul 202608:51	–	euvd
NVD	CVE-2026-64426	25 Jul 202610:17	–	nvd
OSV	DEBIAN-CVE-2026-64426	25 Jul 202610:17	–	osv
Positive Technologies	PT-2026-64647	25 Jul 202600:00	–	ptsecurity
SUSE CVE	SUSE CVE-2026-64426	25 Jul 202615:59	–	susecve
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-64426	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/2564ca2e31bd8ee8348362941af2ee4671e487ca
git	www.git.kernel.org/stable/c/722869fcff598fad20d5ab79c305897a7534708b
git	www.git.kernel.org/stable/c/7267717f35787167fcce4bc14f6ef3fa06682dcf
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64426.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-64426

26 Jul 2026 05:17Current

5.8Medium risk

Vulners AI Score5.8

EPSS0.00206

io_uring nop fixed file flag request fixed file file reference leak prep time merge