What is CVE-2020-12768?

CVE-2020-12768 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401). CVE-2020-12768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-12768?

CVE-2020-12768 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2020-12768?

No patch is currently available for CVE-2020-12768. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2020-12768 actively exploited?

CVE-2020-12768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2020-12768

Medium

An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will

Package Linux Kernel

Published 2020-05-09

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-401

CVE-2020-12768 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2020-12768 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

SUSE
https://bugzilla.suse.com/show_bug.cgi?id=1171736#c3

Issue Tracking Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/4411-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/4412-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/4413-1/

Third Party Advisory
Debian Security
https://www.debian.org/security/2020/dsa-4699

Third Party Advisory
Kernel patch commit
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6
Patch
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d80b64ff297e40c2b6f7d7abc1b3eba70d22a068
Patch

Details

CVE ID CVE-2020-12768

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2020-05-09

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-12768?

CVE-2020-12768 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . CVE-2020-12768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-12768?

CVE-2020-12768 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2020-12768?

No patch is currently available for CVE-2020-12768. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2020-12768 actively exploited?

No — CVE-2020-12768 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →