What is CVE-2019-16921?

CVE-2019-16921 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10. CVE-2019-16921 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2019-16921?

CVE-2019-16921 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Is there a patch available for CVE-2019-16921?

No patch is currently available for CVE-2019-16921. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2019-16921 actively exploited?

CVE-2019-16921 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2019-16921

High

In the Linux kernel before 4.17, hns_roce_alloc_ucontext in drivers/infiniband/hw/hns/hns_roce_main.c does not initialize the resp data structure, which might allow attackers to obtain sensitive information from kernel stack memory, aka CID-df7e40425813.

Package Linux Kernel

Published 2019-09-27

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.5

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-665

CVE-2019-16921 is classified as CWE-665

See CWE-665 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2019-16921 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df7e40425813c50cd252e6f5e348a81ef1acae56
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/df7e40425813c50cd252e6f5e348a81ef1acae56
Patch

Details

CVE ID CVE-2019-16921

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2019-09-27

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2019-16921?

CVE-2019-16921 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . CVE-2019-16921 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2019-16921?

CVE-2019-16921 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Is there a patch available for CVE-2019-16921?

No patch is currently available for CVE-2019-16921. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2019-16921 actively exploited?

No — CVE-2019-16921 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.