What is CVE-2020-27825?

CVE-2020-27825 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.7 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2020-27825 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-27825?

CVE-2020-27825 has a CVSS score of 5.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2020-27825?

No patch is currently available for CVE-2020-27825. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2020-27825 actively exploited?

CVE-2020-27825 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-2020-27825

Medium

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

Package Linux Kernel

Published 2020-12-11

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2020-27825 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-2020-27825 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

Mailing List Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20210521-0008/

Third Party Advisory
Debian Security
https://www.debian.org/security/2021/dsa-4843

Third Party Advisory
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=1905155
Patch

Details

CVE ID CVE-2020-27825

Severity Medium

CVSS score 5.7 / 10

CVSS version 3.1

Published 2020-12-11

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-27825?

CVE-2020-27825 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.7 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2020-27825 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-27825?

CVE-2020-27825 has a CVSS score of 5.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H.
Is there a patch available for CVE-2020-27825?

No patch is currently available for CVE-2020-27825. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2020-27825 actively exploited?

No — CVE-2020-27825 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 →