cve/2023/CVE-2023-52464.md

### [CVE-2023-52464](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52464)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=41003396f932%3C%2071c17ee02538%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In the Linux kernel, the following vulnerability has been resolved:EDAC/thunderx: Fix possible out-of-bounds string accessEnabling -Wstringop-overflow globally exposes a warning for a common bugin the usage of strncat():  drivers/edac/thunderx_edac.c: In function 'thunderx_ocx_com_threaded_isr':  drivers/edac/thunderx_edac.c:1136:17: error: 'strncat' specified bound 1024 equals destination size [-Werror=stringop-overflow=]   1136 |                 strncat(msg, other, OCX_MESSAGE_SIZE);        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~   ...   1145 |                                 strncat(msg, other, OCX_MESSAGE_SIZE);   ...   1150 |                                 strncat(msg, other, OCX_MESSAGE_SIZE);   ...Apparently the author of this driver expected strncat() to behave theway that strlcat() does, which uses the size of the destination bufferas its third argument rather than the length of the source buffer. Theresult is that there is no check on the size of the allocated buffer.Change it to strlcat().  [ bp: Trim compiler output, fixup commit message. ]

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds