CVE-2020-29368

PoC —

CVSS 3.1

7.0 high

EPSS

<1%p30

Published

Nov 28, 2020 (Nov 28, 2020)

Modified

Jun 17, 2026

Description

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

Vendors: linux netapp
Products: linux kernel, cloud backup, element software, hci management node, solidfire, hci bootstrap os, h410c firmware
Weakness: CWE-362
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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