CVE-2026-64180 mm/memory_hotplug: fix memory block reference leak on remove

🗓️ 19 Jul 2026 15:41:03Reported by GoogleType

osv

osv🔗 osv.dev👁 4 Views

Fix memory block reference leak on remove in memory_hotplug by dropping the device reference after altmap.

Reporter	Title	Published	Views	Family All 11
ATTACKERKB	CVE-2026-64180	19 Jul 202615:41	–	attackerkb
Circl	CVE-2026-64180	19 Jul 202617:16	–	circl
CVE	CVE-2026-64180	19 Jul 202615:41	–	cve
Cvelist	CVE-2026-64180 mm/memory_hotplug: fix memory block reference leak on remove	19 Jul 202615:41	–	cvelist
EUVD	EUVD-2026-45865	19 Jul 202615:41	–	euvd
NVD	CVE-2026-64180	19 Jul 202616:18	–	nvd
OSV	DEBIAN-CVE-2026-64180	19 Jul 202616:18	–	osv
OSV	UBUNTU-CVE-2026-64180	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61497	19 Jul 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-64180	21 Jul 202605:09	–	redhatcve

Source	Link
git	www.git.kernel.org/stable/c/09ce923071e7852ece60d7368e05249bf32c7967
git	www.git.kernel.org/stable/c/93866f55f7e292fe3d47d36c9efe5ee10213a06b
git	www.git.kernel.org/stable/c/b8ab30c79fc00147125b9c39f928561d9dd13d06
git	www.git.kernel.org/stable/c/df64c0d21c3f85f844b2f656333e43d97e6ffa74
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64180.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-64180
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

21 Jul 2026 03:47Current

5.3Medium risk

Vulners AI Score5.3

EPSS0.00157

memory block reference leak memory hotplug altmap device reference locking issue