CVE-2020-29368

kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check

Published Nov 28, 2020 CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Ubuntu USN Ubuntu USN USN-4752-1 Linux kernel (OEM) vulnerabilities
History

No history.