What is CVE-2018-20855?

CVE-2018-20855 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2018-20855 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-20855?

CVE-2018-20855 has a CVSS score of 3.3 out of 10, rated Low severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Is there a patch available for CVE-2018-20855?

No patch is currently available for CVE-2018-20855. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-20855 actively exploited?

CVE-2018-20855 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2018-20855

Low

An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.

Package Linux Kernel

Published 2019-07-26

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

3.3

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-119

CVE-2018-20855 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2018-20855 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/2019-08/msg00055.html

Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html

Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7

Mailing List Release Notes Vendor Advisory
Security
https://security.netapp.com/advisory/ntap-20190905-0002/

Third Party Advisory
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0625b4ba1a5d4703c7fb01c497bd6c156908af00
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/0625b4ba1a5d4703c7fb01c497bd6c156908af00
Patch

Details

CVE ID CVE-2018-20855

Severity Low

CVSS score 3.3 / 10

CVSS version 3.1

Published 2019-07-26

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-20855?

CVE-2018-20855 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2018-20855 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-20855?

CVE-2018-20855 has a CVSS score of 3.3 out of 10, rated Low severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Is there a patch available for CVE-2018-20855?

No patch is currently available for CVE-2018-20855. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-20855 actively exploited?

No — CVE-2018-20855 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →