cve/2025/CVE-2025-21671.md

### [CVE-2025-21671](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21671)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=0b5b0b65561b34e6e360de317e4bcd031bfabf42%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.1.122%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.12.7%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.6.68%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6fb92e9a52e3feae309a213950f21dfcd1eb0b40%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=74363ec674cb172d8856de25776c8f3103f05e2f%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=ac3b5366b9b7c9d97b606532ceab43d2329a22f3%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### Description

In the Linux kernel, the following vulnerability has been resolved:zram: fix potential UAF of zram tableIf zram_meta_alloc failed early, it frees allocated zram->table withoutsetting it NULL.  Which will potentially cause zram_meta_free to accessthe table if user reset an failed and uninitialized device.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/w4zu/Debian_security