What is CVE-2022-50448?

CVE-2022-50448 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.19 onward and patched in 5.19.17, 6.0.3 and 6.1. CVE-2022-50448 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-50448?

CVE-2022-50448 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-2022-50448?

Yes, CVE-2022-50448 has been patched. Fixed versions include 5.19.17, 6.0.3 and 6.1. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-50448 actively exploited?

CVE-2022-50448 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-50448

Medium

In the Linux kernel, the following vulnerability has been resolved: mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in When PTE_MARKER_UFFD_WP not configured, it's still possible to reach pte marker code and trigger an warning. Add a few CONFIG_PTE_MARKER_UFFD_WP ifdefs to make sure the code won't be reached when not compiled in.

Package Linux Kernel

Published 2025-10-01

Last modified 2026-01-16

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 5.19 and later are affected. Fixed in 5.19.17, 6.0.3, 6.1 and their respective stable series.

Affected from

≥ 5.19

Fixed in

✓ 5.19.17 5.19.x ✓ 6.0.3 6.0.x ✓ 6.1

References

The following references provide additional information about CVE-2022-50448 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/2204a880cb0c51952463a24a4fa01a6514c5a25a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/515778e2d790652a38a24554fdb7f21420d91efc
Patch
Kernel patch commit
https://git.kernel.org/stable/c/b76e4eb02e9edb9a0a51942acdb373ca01346e8c
Patch

Details

CVE ID CVE-2022-50448

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-01

Modified 2026-01-16

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-50448?

CVE-2022-50448 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.19 onward and has been patched in 5.19.17, 6.0.3 and 6.1. CVE-2022-50448 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-50448?

CVE-2022-50448 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-2022-50448?

Yes — CVE-2022-50448 has been patched. Fixed versions include 5.19.17, 6.0.3 and 6.1. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-50448 actively exploited?

No — CVE-2022-50448 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.