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 and patched in 4.9.334, 4.14.300, 4.19.267 and others. 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?

Yes, CVE-2022-49818 has been patched. Fixed versions include 4.9.334, 4.14.300, 4.19.267 and others. If you are running Linux kernel 4.9.333 or later up to the fix versions, apply the relevant patch for your kernel branch.

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

Yes

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. Fixed in 4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.156, 5.15.80, 6.0.10 and their respective stable series.

Affected from

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

Fixed in

✓ 4.9.334 4.9.x ✓ 4.14.300 4.14.x ✓ 4.19.267 4.19.x ✓ 5.4.225 5.4.x ✓ 5.10.156 5.10.x ✓ 5.15.80 5.15.x ✓ 6.0.10 6.0.x

References

8 total

Kernel Git
https://git.kernel.org/stable/c/2d25107e111a85c56f601a5470f1780ec054e6ac

Patch
Kernel Git
https://git.kernel.org/stable/c/44658d65f6b3118f595a1229d7eed74845a5e2ac

Patch
Kernel Git
https://git.kernel.org/stable/c/596230471da3415e92ae6b9d2a4e26f4a81cac5a

Patch
Kernel Git
https://git.kernel.org/stable/c/709aa1f73d3e9e9ea16e2c4e44f2874c5d2c382c

Patch
Kernel Git
https://git.kernel.org/stable/c/81db4f182744acd004f17d7cc52dde9ea53467e6

Patch

Showing 5 of 8 references 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

Yes

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 and has been patched in 4.9.334, 4.14.300, 4.19.267 and others. 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?

Yes. CVE-2022-49818 has been patched. Fixed versions include 4.9.334, 4.14.300, 4.19.267 and others. If you are running Linux kernel 4.9.333 or later up to the fix versions, apply the relevant patch for your kernel branch.
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.