Division by zero in Linux kernel - CVE-2026-46179
Published: May 29, 2026
Vulnerability identifier: #VU133015
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-2026-46179
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 divide by zero in compressed stream pointer reporting when reporting the pointer for an unconfigured stream. A local user can trigger pointer operations on an unconfigured compressed stream to cause a denial of service.
How to mitigate CVE-2026-46179
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0f0c0c1397a42aacaacae828206ee1b921623952
- https://git.kernel.org/stable/c/327a64241f30c74b6f35537eb9e1fc6c3cbe060b
- https://git.kernel.org/stable/c/4f42dd01f5217465f23a763e27b3984e114d0972
- https://git.kernel.org/stable/c/98ed1383f597f8a45b6cb816bb20b96d46eeceda
- https://git.kernel.org/stable/c/c5b6285aae050ff1c3ea824ca3d88ac4be1e69c8