What is CVE-2022-49109?

CVE-2022-49109 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 2.6.34 onward and patched in 5.15.34, 5.16.20, 5.17.3 and others. CVE-2022-49109 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49109?

CVE-2022-49109 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-2022-49109?

Yes, CVE-2022-49109 has been patched. Fixed versions include 5.15.34, 5.16.20, 5.17.3 and others. If you are running Linux kernel 2.6.34 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49109 actively exploited?

CVE-2022-49109 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49109

Medium

In the Linux kernel, the following vulnerability has been resolved: ceph: fix inode reference leakage in ceph_get_snapdir() The ceph_get_inode() will search for or insert a new inode into the hash for the given vino, and return a reference to it. If new is non-NULL, its reference is consumed. We should release the reference when in error handing cases.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-09-23

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 2.6.34 and later are affected. Fixed in 5.15.34, 5.16.20, 5.17.3, 5.18 and their respective stable series.

Affected from

≥ 2.6.34

Fixed in

✓ 5.15.34 5.15.x ✓ 5.16.20 5.16.x ✓ 5.17.3 5.17.x ✓ 5.18

References

The following references provide additional information about CVE-2022-49109 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/322794d3355c33adcc4feace0045d85a8e4ed813
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3ae7163598c611a8892698e0c056fe794e52b44b
Patch
Kernel patch commit
https://git.kernel.org/stable/c/9cd21981dedfb4fe9f344529e4be35727cb10940
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-49109

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-09-23

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49109?

CVE-2022-49109 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 2.6.34 onward and has been patched in 5.15.34, 5.16.20, 5.17.3 and others. CVE-2022-49109 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49109?

CVE-2022-49109 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-2022-49109?

Yes — CVE-2022-49109 has been patched. Fixed versions include 5.15.34, 5.16.20, 5.17.3 and others. If you are running Linux kernel 2.6.34 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49109 actively exploited?

No — CVE-2022-49109 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.