What is CVE-2019-16233?

CVE-2019-16233 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.1 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2019-16233 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2019-16233?

CVE-2019-16233 has a CVSS score of 4.1 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2019-16233?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-16233 patch availability.

Is CVE-2019-16233 actively exploited?

CVE-2019-16233 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2019-16233

Medium

drivers/scsi/qla2xxx/qla_os.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.

Package Linux Kernel

Published 2019-09-11

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

4.1

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:N/I:N/A:H

Weakness type

CWE-476

CVE-2019-16233 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

8 total

Lkml
https://lkml.org/lkml/2019/9/9/487

Patch Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html

Mailing List Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20191004-0001/

Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/4226-1/

Third Party Advisory

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2019-16233

Severity Medium

CVSS score 4.1 / 10

CVSS version 3.1

Published 2019-09-11

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2019-16233?

CVE-2019-16233 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.1 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2019-16233 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2019-16233?

CVE-2019-16233 has a CVSS score of 4.1 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:N/I:N/A:H.
Is there a patch available for CVE-2019-16233?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-16233 patch availability.
Is CVE-2019-16233 actively exploited?

No. CVE-2019-16233 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.