What is CVE-2023-53626?

CVE-2023-53626 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 5.4.237 onward and patched in 5.4.238, 5.10.176, 5.15.104 and others. CVE-2023-53626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53626?

CVE-2023-53626 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-53626?

Yes, CVE-2023-53626 has been patched. Fixed versions include 5.4.238, 5.10.176, 5.15.104 and others. If you are running Linux kernel 5.4.237 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53626 actively exploited?

CVE-2023-53626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53626

High

In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory

Package Linux Kernel

Published 2025-10-07

Last modified 2026-02-03

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-415

CVE-2023-53626 is classified as CWE-415

See CWE-415 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.4.237, 5.10.175, 5.15.103, 6.1.20, 6.2.7 and later are affected. Fixed in 5.4.238, 5.10.176, 5.15.104, 6.1.21, 6.2.8 and their respective stable series.

Affected from

≥ 5.4.237 ≥ 5.10.175 ≥ 5.15.103 ≥ 6.1.20 ≥ 6.2.7

Fixed in

✓ 5.4.238 5.4.x ✓ 5.10.176 5.10.x ✓ 5.15.104 5.15.x ✓ 6.1.21 6.1.x ✓ 6.2.8 6.2.x

References

6 total

Kernel Git
https://git.kernel.org/stable/c/020166bc6669ca9fb267ebd96bd88c4fb64a5d46

Patch
Kernel Git
https://git.kernel.org/stable/c/1c93c42c7bb23057bde8a0a2ab834927ff64d20c

Patch
Kernel Git
https://git.kernel.org/stable/c/43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2

Patch
Kernel Git
https://git.kernel.org/stable/c/70e42feab2e20618ddd0cbfc4ab4b08628236ecd

Patch
Kernel Git
https://git.kernel.org/stable/c/c16cbd8233d6c58fc488545393e49b5d55729990

Patch

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2023-53626

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2025-10-07

Modified 2026-02-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53626?

CVE-2023-53626 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 5.4.237 onward and has been patched in 5.4.238, 5.10.176, 5.15.104 and others. CVE-2023-53626 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53626?

CVE-2023-53626 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-53626?

Yes. CVE-2023-53626 has been patched. Fixed versions include 5.4.238, 5.10.176, 5.15.104 and others. If you are running Linux kernel 5.4.237 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53626 actively exploited?

No. CVE-2023-53626 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.