What is CVE-2022-50821?

CVE-2022-50821 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 3.10 onward and patched in 4.19.270, 5.4.229, 5.10.163 and others. CVE-2022-50821 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-50821?

CVE-2022-50821 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2022-50821?

Yes, CVE-2022-50821 has been patched. Fixed versions include 4.19.270, 5.4.229, 5.10.163 and others. If you are running Linux kernel 3.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-50821 actively exploited?

CVE-2022-50821 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-50821

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Don't leak netobj memory when gss_read_proxy_verf() fails

Package Linux Kernel

Published 2025-12-30

Last modified 2026-04-15

Patch available

Yes

Affected versions

Linux kernel versions 3.10 and later are affected. Fixed in 4.19.270, 5.4.229, 5.10.163, 5.15.87, 6.0.17, 6.1.3, 6.2 and their respective stable series.

Affected from

≥ 3.10

Fixed in

✓ 4.19.270 4.19.x ✓ 5.4.229 5.4.x ✓ 5.10.163 5.10.x ✓ 5.15.87 5.15.x ✓ 6.0.17 6.0.x ✓ 6.1.3 6.1.x ✓ 6.2

References

The following references provide additional information about CVE-2022-50821 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/2cd6026e257362f030c8be57abaf7fc0049df60a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/67eb848161c2799f2007968ea3bc87adb15c9567
Patch
Kernel patch commit
https://git.kernel.org/stable/c/76f2497a2faa6a4e91efb94a7f55705b403273fd
Patch

7 patch commits total View all on NVD

Frequently asked questions

What is CVE-2022-50821?

CVE-2022-50821 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.10 onward and has been patched in 4.19.270, 5.4.229, 5.10.163 and others. CVE-2022-50821 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2022-50821?

Yes — CVE-2022-50821 has been patched. Fixed versions include 4.19.270, 5.4.229, 5.10.163 and others. If you are running Linux kernel 3.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-50821 actively exploited?

No — CVE-2022-50821 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.