What is CVE-2022-49620?

CVE-2022-49620 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 3.18 onward and patched in 4.9.324, 4.14.289, 4.19.253 and others. CVE-2022-49620 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49620?

CVE-2022-49620 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-2022-49620?

Yes, CVE-2022-49620 has been patched. Fixed versions include 4.9.324, 4.14.289, 4.19.253 and others. If you are running Linux kernel 3.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49620 actively exploited?

CVE-2022-49620 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49620

Medium

In the Linux kernel, the following vulnerability has been resolved: net: tipc: fix possible refcount leak in tipc_sk_create() Free sk in case tipc_sk_insert() fails.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-01

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 3.18 and later are affected. Fixed in 4.9.324, 4.14.289, 4.19.253, 5.4.207, 5.10.132, 5.15.56, 5.18.13, 5.19 and their respective stable series.

Affected from

≥ 3.18

Fixed in

✓ 4.9.324 4.9.x ✓ 4.14.289 4.14.x ✓ 4.19.253 4.19.x ✓ 5.4.207 5.4.x ✓ 5.10.132 5.10.x ✓ 5.15.56 5.15.x ✓ 5.18.13 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49620 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/00aff3590fc0a73bddd3b743863c14e76fd35c0c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3b2957fc09fe1ac7f07f40dd50dd5f93e3f3a7a2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4919d82f7041157a421ca9bf39a78551d5ad8a1b
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2022-49620

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49620?

CVE-2022-49620 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 3.18 onward and has been patched in 4.9.324, 4.14.289, 4.19.253 and others. CVE-2022-49620 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49620?

CVE-2022-49620 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-2022-49620?

Yes — CVE-2022-49620 has been patched. Fixed versions include 4.9.324, 4.14.289, 4.19.253 and others. If you are running Linux kernel 3.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49620 actively exploited?

No — CVE-2022-49620 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.