CVE-2020-29368 - CVE House
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Status published High CVE-2020-29368

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

linux kernel, cloud backup, element software, hci management node, solidfire, hci bootstrap os, h410c firmware
Vulnerable Versions:
4.5.5, 4.10, 4.15, 4.20, 5.5

Timeline

Official Publish: November 28th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.