Division by zero in Linux kernel - CVE-2026-63933
Published: July 20, 2026
Vulnerability identifier: #VU138721
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-63933
CWE-ID: CWE-369
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to division by zero in adis16260_write_raw in the adis16260 gyroscope driver when writing a zero value to the sampling_frequency sysfs attribute. A local user can write zero to the sampling_frequency sysfs attribute to cause a denial of service.
How to mitigate CVE-2026-63933
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/19eb8565c4500f9af17ec65eaf952365e2893351
- https://git.kernel.org/stable/c/59f80b945f2ca645064074d8507785c26ea16d2d
- https://git.kernel.org/stable/c/5a42e39606b9bd6b40ed02bdfd04fe179d6173f4
- https://git.kernel.org/stable/c/761e8b489e6cf166c574034b70637f8a7eadd0ee
- https://git.kernel.org/stable/c/86298fb6829cab983910810959f85d4b4fd0f5c1
- https://git.kernel.org/stable/c/aa8a5e118e97d2cfd0da5ea4f8f0f488efdea4b0
- https://git.kernel.org/stable/c/aaf9d640e9ae1172d0a9c659ecb245a50a10850a
- https://git.kernel.org/stable/c/d2b83995759cfe5d06567bbcb600fe16d4048da3