What is CVE-2023-53117?

CVE-2023-53117 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a Out-of-bounds Read flaw (CWE-125), affecting Linux kernel versions from 2.6.12 onward and patched in 4.14.310, 4.19.278, 5.4.237 and others. CVE-2023-53117 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53117?

CVE-2023-53117 has a CVSS score of 7.1 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:N/A:H.

Is there a patch available for CVE-2023-53117?

Yes, CVE-2023-53117 has been patched. Fixed versions include 4.14.310, 4.19.278, 5.4.237 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53117 actively exploited?

CVE-2023-53117 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/125.html

CVE-2023-53117

High

In the Linux kernel, the following vulnerability has been resolved: fs: prevent out-of-bounds array speculation when closing a file descriptor Google-Bug-Id: 114199369

Package Linux Kernel

Published 2025-05-02

Last modified 2025-11-10

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-125

CVE-2023-53117 is a Out-of-bounds Read vulnerability

What is Out-of-bounds Read?

The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 2.6.12 and later are affected. Fixed in 4.14.310, 4.19.278, 5.4.237, 5.10.175, 5.15.103, 6.1.20, 6.2.7, 6.3 and their respective stable series.

Affected from

≥ 2.6.12

Fixed in

✓ 4.14.310 4.14.x ✓ 4.19.278 4.19.x ✓ 5.4.237 5.4.x ✓ 5.10.175 5.10.x ✓ 5.15.103 5.15.x ✓ 6.1.20 6.1.x ✓ 6.2.7 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-53117 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/3d5d9501b634fd268eb56428cda92cd317752d69
Patch
Kernel patch commit
https://git.kernel.org/stable/c/609d54441493c99f21c1823dfd66fa7f4c512ff4
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6631c8da02cfad96c53b217cf647b511c7f34faf
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2023-53117

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2025-05-02

Modified 2025-11-10

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53117?

CVE-2023-53117 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . It affects Linux kernel versions from 2.6.12 onward and has been patched in 4.14.310, 4.19.278, 5.4.237 and others. CVE-2023-53117 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53117?

CVE-2023-53117 has a CVSS score of 7.1 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:N/A:H.
Is there a patch available for CVE-2023-53117?

Yes — CVE-2023-53117 has been patched. Fixed versions include 4.14.310, 4.19.278, 5.4.237 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53117 actively exploited?

No — CVE-2023-53117 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. View CWE-125 on MITRE CWE →