What is CVE-2022-49818?

CVE-2022-49818 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.9.333 onward. CVE-2022-49818 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49818?

CVE-2022-49818 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-2022-49818?

No patch is currently available for CVE-2022-49818. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-49818 actively exploited?

CVE-2022-49818 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49818

Medium

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix misuse of put_device() in mISDN_register_device() We should not release reference by put_device() before calling device_initialize().

Package Linux Kernel

Published 2025-05-01

Last modified 2025-11-10

CVSS version 3.1

Patch available

Not yet patched

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

Affected versions

Linux kernel versions 4.9.333, 4.14.299, 4.19.265, 5.4.224, 5.10.154, 5.15.78, 6.0.8 and later are affected. No fixed version recorded yet.

Affected from

≥ 4.9.333 ≥ 4.14.299 ≥ 4.19.265 ≥ 5.4.224 ≥ 5.10.154 ≥ 5.15.78 ≥ 6.0.8

References

The following references provide additional information about CVE-2022-49818 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/stable/c/2d25107e111a85c56f601a5470f1780ec054e6ac
Patch
Kernel patch commit
https://git.kernel.org/stable/c/44658d65f6b3118f595a1229d7eed74845a5e2ac
Patch
Kernel patch commit
https://git.kernel.org/stable/c/596230471da3415e92ae6b9d2a4e26f4a81cac5a
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2022-49818

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-05-01

Modified 2025-11-10

KEV No

Patch

Not yet patched

Package linux

Frequently asked questions

What is CVE-2022-49818?

CVE-2022-49818 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.9.333 onward . CVE-2022-49818 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49818?

CVE-2022-49818 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-2022-49818?

No patch is currently available for CVE-2022-49818. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-49818 actively exploited?

No — CVE-2022-49818 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.