What is CVE-2022-49173?

CVE-2022-49173 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.7 onward and patched in 5.16.19, 5.17.2 and 5.18. CVE-2022-49173 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49173?

CVE-2022-49173 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-2022-49173?

Yes, CVE-2022-49173 has been patched. Fixed versions include 5.16.19, 5.17.2 and 5.18. If you are running Linux kernel 5.7 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49173 actively exploited?

CVE-2022-49173 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49173

Medium

In the Linux kernel, the following vulnerability has been resolved: spi: fsi: Implement a timeout for polling status The data transfer routines must poll the status register to determine when more data can be shifted in or out. If the hardware gets into a bad state, these polling loops may never exit. Prevent this by returning an error if a timeout is exceeded.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-22

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 5.7 and later are affected. Fixed in 5.16.19, 5.17.2, 5.18 and their respective stable series.

Affected from

≥ 5.7

Fixed in

✓ 5.16.19 5.16.x ✓ 5.17.2 5.17.x ✓ 5.18

References

The following references provide additional information about CVE-2022-49173 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/89b35e3f28514087d3f1e28e8f5634fbfd07c554
Patch
Kernel patch commit
https://git.kernel.org/stable/c/d4982ceb137e6ecd2b466a6de639790a148cf19a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/dac1438f347d3b8cf892105c94e254f29c5764de
Patch

Details

CVE ID CVE-2022-49173

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-22

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49173?

CVE-2022-49173 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.7 onward and has been patched in 5.16.19, 5.17.2 and 5.18. CVE-2022-49173 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49173?

CVE-2022-49173 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-2022-49173?

Yes — CVE-2022-49173 has been patched. Fixed versions include 5.16.19, 5.17.2 and 5.18. If you are running Linux kernel 5.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49173 actively exploited?

No — CVE-2022-49173 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.