CVE-2020-29372: Race Condition

Published Nov 28, 2020
·
Updated

An issue was discovered in domadvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORINGOPMADVISE implementation, aka CID-bc0c4d1e176e.

Affected Software

5 affected components
Linux Linux kernel<5.6.8
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04

Event History

Nov 28, 2020
CVE Published
via MITRE·06:19 AM
Data Sourced
via MITRE·06:19 AM
Description
Data Sourced
via NVD·07:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2020-29372?

CVE-2020-29372 has a medium severity rating due to the potential for a race condition leading to unexpected behavior during coredump operations.

2

How do I fix CVE-2020-29372?

To fix CVE-2020-29372, update your Linux kernel to version 5.6.8 or later.

3

Which versions of Linux are affected by CVE-2020-29372?

CVE-2020-29372 affects the Linux kernel versions before 5.6.8 and specific Ubuntu versions including 14.04, 16.04, 18.04, and 20.04.

4

What components are involved in the CVE-2020-29372 vulnerability?

The vulnerability involves a race condition in the do_madvise function within the Linux kernel during IORING_OP_MADVISE operations.

5

Is CVE-2020-29372 related to any other vulnerabilities?

CVE-2020-29372 is associated with a specific implementation issue in the Linux kernel that can occur during concurrent operations.

Contact

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