CVE-2026-53191 io_uring/net: inherit IORING_CQE_F_BUF_MORE across bundle recv retries

🗓️ 25 Jun 2026 08:39:03Reported by GoogleType

osv

osv🔗 osv.dev👁 1 Views

Kernel fix: IORING_CQE_F_BUF_MORE inherits across bundle receive retries to avoid stale flags.

Reporter	Title	Published	Views	Family All 15
ATTACKERKB	CVE-2026-53191	25 Jun 202608:39	–	attackerkb
Chainguard	CVE-2026-53191 vulnerabilities	8 Jul 202602:17	–	cgr
CVE	CVE-2026-53191	25 Jun 202608:39	–	cve
Cvelist	CVE-2026-53191 io_uring/net: inherit IORING_CQE_F_BUF_MORE across bundle recv retries	25 Jun 202608:39	–	cvelist
Debian CVE	CVE-2026-53191	25 Jun 202608:39	–	debiancve
EUVD	EUVD-2026-39282	25 Jun 202608:39	–	euvd
NVD	CVE-2026-53191	25 Jun 202609:16	–	nvd
OSV	BELL-CVE-2026-53191	27 Jun 202606:11	–	osv
OSV	CGA-XV7C-877C-F2JM	7 Jul 202621:51	–	osv
OSV	DEBIAN-CVE-2026-53191	25 Jun 202609:16	–	osv

Source	Link
git	www.git.kernel.org/stable/c/0bbc9481f970b0b4ddb08cfa464db1cc93b74b56
git	www.git.kernel.org/stable/c/4973232a67e4137ab9399f504f7f2bdd847f96d2
git	www.git.kernel.org/stable/c/ed46f39c47eb5530a9c161481a2080d3a869cfaf
git	www.git.kernel.org/stable/c/f40570fda3f3a1f96aeaa4aef665ba274b2810b5
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53191.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-53191
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

08 Jul 2026 08:09Current

6Medium risk

Vulners AI Score6

CVSS 3.17.8

EPSS0.00138

io_uring buffer flag bundle receive retries inherited flags buffer reuse