What is CVE-2022-50436?

CVE-2022-50436 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.10 onward and patched in 5.10.163, 5.15.87, 6.0.18 and others. CVE-2022-50436 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-50436?

CVE-2022-50436 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-2022-50436?

Yes, CVE-2022-50436 has been patched. Fixed versions include 5.10.163, 5.15.87, 6.0.18 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-50436 actively exploited?

CVE-2022-50436 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-50436

Medium

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set up encryption key during jbd2 transaction Commit a80f7fcf1867 ("ext4: fixup ext4_fc_track_* functions' signature") extended the scope of the transaction in ext4_unlink() too far, making it include the call to ext4_find_entry(). However, ext4_find_entry() can deadlock when called from within a transaction because it may need to set up the directory's encryption key. Fix this by restoring the transaction to its original scope.

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 5.10 and later are affected. Fixed in 5.10.163, 5.15.87, 6.0.18, 6.1.4, 6.2 and their respective stable series.

Affected from

≥ 5.10

Fixed in

✓ 5.10.163 5.10.x ✓ 5.15.87 5.15.x ✓ 6.0.18 6.0.x ✓ 6.1.4 6.1.x ✓ 6.2

References

The following references provide additional information about CVE-2022-50436 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/1ba993208bcfd691e241483420a2a761d3f15750
Patch
Kernel patch commit
https://git.kernel.org/stable/c/206dd3acfb9bca54a25b228c7c7c2257eedde09b
Patch
Kernel patch commit
https://git.kernel.org/stable/c/23ad034760dd38e12b0e0e1b28b9629f330810a1
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2022-50436

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-2022-50436?

CVE-2022-50436 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.10 onward and has been patched in 5.10.163, 5.15.87, 6.0.18 and others. CVE-2022-50436 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-50436?

CVE-2022-50436 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-2022-50436?

Yes — CVE-2022-50436 has been patched. Fixed versions include 5.10.163, 5.15.87, 6.0.18 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-50436 actively exploited?

No — CVE-2022-50436 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.