Race condition in Linux kernel - CVE-2026-80883
Published: September 5, 2026
Vulnerability identifier: #VU147038
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80883
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to submit a job before the address register map is initialized.
The vulnerability exists due to a race condition in the Tegra GR2D and GR3D drivers when submitting a job after the HOST1X client becomes available to userspace and before initialization completes. A local user can submit a job during this initialization window to submit a job before the address register map is initialized.
Affected software
Linux kernel
How to mitigate CVE-2026-80883
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
External References
- https://git.kernel.org/stable/c/3055292b8eed69553b389a609197a241df47e68e
- https://git.kernel.org/stable/c/40a2a91da02c434938f0ba53877984820800b5f0
- https://git.kernel.org/stable/c/5db37fd7710e74bc4df48bddab8f571d0bfc6769
- https://git.kernel.org/stable/c/6e22d5ad61cfa38aa53fab86a530113aff6a3619
- https://git.kernel.org/stable/c/c4ef5ba1131346159e31f4ef858525cf377380a6