CVE-2026-64244 drivers/base/memory: set mem->altmap after successful device registration

🗓️ 24 Jul 2026 15:29:59Reported by GoogleType

osv🔗 osv.dev👁 1 Views

Linux kernel fix delays altmap assignment until memory block add succeeds to avoid WARN_ON during device unregister.

Reporter	Title	Published	Views	Family All 9
ATTACKERKB	CVE-2026-64244	24 Jul 202615:29	–	attackerkb
CVE	CVE-2026-64244	24 Jul 202615:29	–	cve
Cvelist	CVE-2026-64244 drivers/base/memory: set mem->altmap after successful device registration	24 Jul 202615:29	–	cvelist
Debian CVE	CVE-2026-64244	24 Jul 202615:29	–	debiancve
EUVD	EUVD-2026-48653	24 Jul 202615:29	–	euvd
NVD	CVE-2026-64244	24 Jul 202616:16	–	nvd
OSV	DEBIAN-CVE-2026-64244	24 Jul 202616:16	–	osv
Positive Technologies	PT-2026-64359	24 Jul 202600:00	–	ptsecurity
SUSE CVE	SUSE CVE-2026-64244	25 Jul 202600:13	–	susecve

Source	Link
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
git	www.git.kernel.org/stable/c/059ac6252a63edf1cea79bf30bd860a8c264b62c
git	www.git.kernel.org/stable/c/22dc0d042f02ce82aa61422ea5f232628bfd9e9c
git	www.git.kernel.org/stable/c/6c25bf4e44a2b6a14332f952bba0974521f5b72d
git	www.git.kernel.org/stable/c/802e113cf120df7208e4c7e604950a85e87120a8
git	www.git.kernel.org/stable/c/a2b8d7827f48ee54a686cb80e4a1d0ff954ec42a
git	www.git.kernel.org/stable/c/bc3dd82a0ffd488bb902f4c69c3d28fd4088d973
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64244.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-64244

25 Jul 2026 04:14Current

5.7Medium risk

Vulners AI Score5.7

EPSS0.00161