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CVE-2026-90316

HIGHCVSS 7.8/10

Last modified

CVE-2026-90316 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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..

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, < b3cbd1451c240446ce170f514244e1cb65ec0de4; >= 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, < f6733460b6d483dea7bfb5cfceb11cbff31a60b7; >= 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, < 542a6a3ec77cd29f953987f7263f32fb8acb097e; >= 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, < 2c27a84ba8d1bfed046d0067161d92001605accc; >= 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, < 9063b30faae8ccaacf003735560df3956dbb592f; >= 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, < 30810bdf273b4c93f8731b96a7204f33e052180d; >= 4ae2ddddf44cd9f73def2dbdb68c6859072262ff, < 97c03b32b28a9f7f13f768f2b06e1eaafe850e66
LinuxLinux2.6.39

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-90316?
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.
How severe is CVE-2026-90316?
CVE-2026-90316 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-90316?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST