What is CVE-2023-52669?

CVE-2023-52669 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 3.0 onward and patched in 5.10.210, 5.15.149, 6.1.76 and others. CVE-2023-52669 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52669?

CVE-2023-52669 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-2023-52669?

Yes, CVE-2023-52669 has been patched. Fixed versions include 5.10.210, 5.15.149, 6.1.76 and others. If you are running Linux kernel 3.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52669 actively exploited?

CVE-2023-52669 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2023-52669

High

In the Linux kernel, the following vulnerability has been resolved: crypto: s390/aes - Fix buffer overread in CTR mode When processing the last block, the s390 ctr code will always read a whole block, even if there isn't a whole block of data left. Fix this by using the actual length left and copy it into a buffer first for processing.

Package Linux Kernel

Published 2024-05-17

Last modified 2025-12-23

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-787

CVE-2023-52669 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

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

Affected versions

Linux kernel versions 3.0 and later are affected. Fixed in 5.10.210, 5.15.149, 6.1.76, 6.6.15, 6.7.3, 6.8 and their respective stable series.

Affected from

≥ 3.0

Fixed in

✓ 5.10.210 5.10.x ✓ 5.15.149 5.15.x ✓ 6.1.76 6.1.x ✓ 6.6.15 6.6.x ✓ 6.7.3 6.7.x ✓ 6.8

References

7 total

Kernel Git
https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285

Patch
Kernel Git
https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79

Patch
Kernel Git
https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b

Patch
Kernel Git
https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e

Patch
Kernel Git
https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23

Patch

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2023-52669

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-17

Modified 2025-12-23

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52669?

CVE-2023-52669 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 3.0 onward and has been patched in 5.10.210, 5.15.149, 6.1.76 and others. CVE-2023-52669 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52669?

CVE-2023-52669 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-2023-52669?

Yes. CVE-2023-52669 has been patched. Fixed versions include 5.10.210, 5.15.149, 6.1.76 and others. If you are running Linux kernel 3.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52669 actively exploited?

No. CVE-2023-52669 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.