7.8
HIGH CVSS 3.1
CVE-2023-52669
crypto: s390/aes - Fix buffer overread in CTR mode
Description

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.

INFO

Published Date :

May 17, 2024, 2:15 p.m.

Last Modified :

Dec. 23, 2025, 6:46 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-52669 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Debian debian_linux
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
A buffer overread vulnerability exists in the Linux kernel; update packages to address it.
  • Update the affected kernel packages.
  • Reboot the system if required.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-52669 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-52669 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-52669 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-52669 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 23, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-787
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.7.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.15 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.149 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.76 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 5.10.210
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e78f1a43e72daf77705ad5b9946de66fc708b874 Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Types: Third Party Advisory
    Added Reference Type CVE: https://git.kernel.org/stable/c/e78f1a43e72daf77705ad5b9946de66fc708b874 Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285 Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23 Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b Types: Patch
    Added Reference Type CVE: https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79 Types: Patch
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285
    Added Reference https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79
    Added Reference https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b
    Added Reference https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e
    Added Reference https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23
    Added Reference https://git.kernel.org/stable/c/e78f1a43e72daf77705ad5b9946de66fc708b874
    Added Reference https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Nov. 04, 2024

    Action Type Old Value New Value
    Removed Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 25, 2024

    Action Type Old Value New Value
    Added Reference kernel.org https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html [No types assigned]
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 29, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 17, 2024

    Action Type Old Value New Value
    Added Description 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.
    Added Reference kernel.org https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/e78f1a43e72daf77705ad5b9946de66fc708b874 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact