What is CVE-2020-29374?

CVE-2020-29374 is a Low severity Linux kernel vulnerability with a CVSS score of 3.6 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2020-29374 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-29374?

CVE-2020-29374 has a CVSS score of 3.6 out of 10, rated Low severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

Is there a patch available for CVE-2020-29374?

No patch is currently available for CVE-2020-29374. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2020-29374 actively exploited?

CVE-2020-29374 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2020-29374

Low

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.

Package Linux Kernel

Published 2020-11-28

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

3.6

out of 10

Low

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Vector string

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

Weakness type

CWE-362

CVE-2020-29374 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2020-29374 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Packet Storm
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html

Exploit Third Party Advisory VDB Entry
Bugs
https://bugs.chromium.org/p/project-zero/issues/detail?id=2045

Exploit Issue Tracking Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.3

Release Notes Third Party Advisory Vendor Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

Mailing List Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20210115-0002/

Third Party Advisory
Debian Security
https://www.debian.org/security/2022/dsa-5096

Third Party Advisory
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17839856fd588f4ab6b789f482ed3ffd7c403e1f
Patch

Details

CVE ID CVE-2020-29374

Severity Low

CVSS score 3.6 / 10

CVSS version 3.1

Published 2020-11-28

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-29374?

CVE-2020-29374 is a Low severity Linux kernel vulnerability with a CVSS score of 3.6 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2020-29374 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-29374?

CVE-2020-29374 has a CVSS score of 3.6 out of 10, rated Low severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
Is there a patch available for CVE-2020-29374?

No patch is currently available for CVE-2020-29374. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2020-29374 actively exploited?

No — CVE-2020-29374 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →