What is CVE-2022-28356?

CVE-2022-28356 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2022-28356 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-28356?

CVE-2022-28356 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-28356?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-28356 patch availability.

Is CVE-2022-28356 actively exploited?

CVE-2022-28356 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-28356

Medium

In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c.

Package Linux Kernel

Published 2022-04-02

Last modified 2025-05-05

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

References

7 total

Openwall
http://www.openwall.com/lists/oss-security/2022/04/06/1

Exploit Mailing List Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1

Patch Release Notes Vendor Advisory
GitHub
https://github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4a

Patch Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html

Mailing List Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20220506-0006/

Third Party Advisory

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2022-28356

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2022-04-02

Modified 2025-05-05

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-28356?

CVE-2022-28356 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2022-28356 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-28356?

CVE-2022-28356 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-28356?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2022-28356 patch availability.
Is CVE-2022-28356 actively exploited?

No. CVE-2022-28356 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.