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). 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?

No patch is currently available for CVE-2023-52669. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

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

Awaiting data

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

References

The following references provide additional information about CVE-2023-52669 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

Third Party Advisory
Kernel patch commit
https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285
Patch
Kernel patch commit
https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79
Patch
Kernel patch commit
https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b
Patch

6 patch commits total 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 Awaiting data

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) . 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?

No patch is currently available for CVE-2023-52669. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →