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

2 total

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?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-16921 patch availability.

  • 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.

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