What is CVE-2022-49293?

CVE-2022-49293 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 3.13 onward and patched in 4.9.309, 4.14.274, 4.19.237 and others. CVE-2022-49293 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49293?

CVE-2022-49293 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-2022-49293?

Yes, CVE-2022-49293 has been patched. Fixed versions include 4.9.309, 4.14.274, 4.19.237 and others. If you are running Linux kernel 3.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49293 actively exploited?

CVE-2022-49293 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49293

Medium

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: initialize registers in nft_do_chain() Initialize registers to avoid stack leak into userspace.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-21

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 3.13 and later are affected. Fixed in 4.9.309, 4.14.274, 4.19.237, 5.4.188, 5.10.109, 5.15.32, 5.16.18, 5.17.1, 5.18 and their respective stable series.

Affected from

≥ 3.13

Fixed in

✓ 4.9.309 4.9.x ✓ 4.14.274 4.14.x ✓ 4.19.237 4.19.x ✓ 5.4.188 5.4.x ✓ 5.10.109 5.10.x ✓ 5.15.32 5.15.x ✓ 5.16.18 5.16.x ✓ 5.17.1 5.17.x ✓ 5.18

References

The following references provide additional information about CVE-2022-49293 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/06f0ff82c70241a766a811ae1acf07d6e2734dcb
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2c74374c2e88c7b7992bf808d9f9391f7452f9d9
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4c905f6740a365464e91467aa50916555b28213d
Patch

9 patch commits total View all on NVD

Details

CVE ID CVE-2022-49293

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49293?

CVE-2022-49293 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 3.13 onward and has been patched in 4.9.309, 4.14.274, 4.19.237 and others. CVE-2022-49293 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49293?

CVE-2022-49293 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-2022-49293?

Yes — CVE-2022-49293 has been patched. Fixed versions include 4.9.309, 4.14.274, 4.19.237 and others. If you are running Linux kernel 3.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49293 actively exploited?

No — CVE-2022-49293 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.