What is CVE-2022-3628?

CVE-2022-3628 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.6 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2022-3628 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-3628?

CVE-2022-3628 has a CVSS score of 6.6 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-3628?

No patch is currently available for CVE-2022-3628. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-3628 actively exploited?

CVE-2022-3628 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-2022-3628

Medium

A buffer overflow flaw was found in the Linux kernel Broadcom Full MAC Wi-Fi driver. This issue occurs when a user connects to a malicious USB device. This can allow a local user to crash the system or escalate their privileges.

Package Linux Kernel

Published 2023-01-12

Last modified 2025-04-08

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.6

out of 10

Medium

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-119

CVE-2022-3628 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-2022-3628 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/pub/scm/linux/kernel/git/torvalds/linux.git/patch/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c?id=6788ba8aed4e28e90f72d68a9d794e34eac17295
Patch

Details

CVE ID CVE-2022-3628

Severity Medium

CVSS score 6.6 / 10

CVSS version 3.1

Published 2023-01-12

Modified 2025-04-08

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-3628?

CVE-2022-3628 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.6 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2022-3628 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-3628?

CVE-2022-3628 has a CVSS score of 6.6 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-3628?

No patch is currently available for CVE-2022-3628. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-3628 actively exploited?

No — CVE-2022-3628 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 →