CVE-2026-80883
In the Linux kernel, the following vulnerability has been resolved: drm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered The host1x_client_register() function is called just prior to register map initialization loop, making the device available to userspace. This may result in userspace attempting to submits a job before the register map is initialized. Address this by moving register initialization before host1x client registration.
Affected versions
Linux kernel versions
3.10
and later are affected. Fixed in
6.6.145,
6.12.97,
6.18.40,
7.1.5,
7.2
and their respective stable series.
References
5 totalFrequently asked questions
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What is CVE-2026-80883?
CVE-2026-80883 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.10 onward and has been patched in 6.6.145, 6.12.97, 6.18.40 and others. CVE-2026-80883 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-80883?
Yes. CVE-2026-80883 has been patched. Fixed versions include 6.6.145, 6.12.97, 6.18.40 and others. If you are running Linux kernel 3.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-80883 actively exploited?
No. CVE-2026-80883 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.