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Linux Kernel CVE-2020-29374

LOW
Race Condition (CWE-362)
2020-11-28 cve@mitre.org
3.6
CVSS 3.1 · NVD

Severity by source

NVD PRIMARY
3.6 LOW
AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Nov 28, 2020 - 07:15 nvd
LOW 3.6

DescriptionNVD

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58.

AnalysisAI

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. Rated low severity (CVSS 3.6). Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-362. An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58. Affected products include: Linux Linux Kernel, Debian Debian Linux, Netapp 500F Firmware, Netapp A250 Firmware, Netapp H410C Firmware. Version information: before 5.7.3.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2020-29374 vulnerability details – vuln.today

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