What is CVE-2020-12659?

CVE-2020-12659 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2020-12659 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2020-12659?

CVE-2020-12659 has a CVSS score of 6.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2020-12659?

No patch is currently available for CVE-2020-12659. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2020-12659 actively exploited?

CVE-2020-12659 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2020-12659

Medium

An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.

Package Linux Kernel

Published 2020-05-05

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-787

CVE-2020-12659 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2020-12659 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html

Mailing List Third Party Advisory VDB Entry
Kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=207225

Exploit Issue Tracking Vendor Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7

Release Notes Vendor Advisory
Security
https://security.netapp.com/advisory/ntap-20200608-0001/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/4387-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/4388-1/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/4389-1/

Third Party Advisory
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02
Patch

Details

CVE ID CVE-2020-12659

Severity Medium

CVSS score 6.7 / 10

CVSS version 3.1

Published 2020-05-05

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2020-12659?

CVE-2020-12659 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2020-12659 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2020-12659?

CVE-2020-12659 has a CVSS score of 6.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2020-12659?

No patch is currently available for CVE-2020-12659. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2020-12659 actively exploited?

No — CVE-2020-12659 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →