What is CVE-2022-50439?

CVE-2022-50439 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.2 onward and patched in 5.4.229, 5.10.163, 5.15.86 and others. CVE-2022-50439 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-50439?

CVE-2022-50439 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-2022-50439?

Yes, CVE-2022-50439 has been patched. Fixed versions include 5.4.229, 5.10.163, 5.15.86 and others. If you are running Linux kernel 4.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-50439 actively exploited?

CVE-2022-50439 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-50439

Medium

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready If the device does not come straight from reset, we might receive an IRQ before we are ready to handle it. [ 2.334737] Unable to handle kernel read from unreadable memory at virtual address 00000000000001e4 [ 2.522601] Call trace: [ 2.525040] regmap_read+0x1c/0x80 [ 2.528434] mt8173_afe_irq_handler+0x40/0xf0 ... [ 2.598921] start_kernel+0x338/0x42c

Package Linux Kernel

Published 2025-10-01

Last modified 2026-01-21

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 4.2 and later are affected. Fixed in 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2 and their respective stable series.

Affected from

≥ 4.2

Fixed in

✓ 5.4.229 5.4.x ✓ 5.10.163 5.10.x ✓ 5.15.86 5.15.x ✓ 6.0.16 6.0.x ✓ 6.1.2 6.1.x ✓ 6.2

References

The following references provide additional information about CVE-2022-50439 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/190685ff4ee03eef8f12c71d8f626e414fa078a9
Patch
Kernel patch commit
https://git.kernel.org/stable/c/27e7cf595d4a9fea9d3906b47d0faa87896beeb3
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4cbb264d4e9136acab2c8fd39e39ab1b1402b84b
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2022-50439

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-01

Modified 2026-01-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-50439?

CVE-2022-50439 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.2 onward and has been patched in 5.4.229, 5.10.163, 5.15.86 and others. CVE-2022-50439 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-50439?

CVE-2022-50439 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-2022-50439?

Yes — CVE-2022-50439 has been patched. Fixed versions include 5.4.229, 5.10.163, 5.15.86 and others. If you are running Linux kernel 4.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-50439 actively exploited?

No — CVE-2022-50439 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.