Race condition in Linux kernel - CVE-2026-46206
Published: May 29, 2026
Vulnerability identifier: #VU132982
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-2026-46206
CWE-ID: CWE-362
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 improper state management in tp_meter when starting new sender or receiver sessions after mesh_state has left BATADV_MESH_ACTIVE. A local user can start a new tp_meter sender or receiver session during teardown to cause a denial of service.
How to mitigate CVE-2026-46206
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/3243543592425beec83d453793e9d27caa0d8e66
- https://git.kernel.org/stable/c/ca39545cf07c142b39d474a1439a046bf28def3d
- https://git.kernel.org/stable/c/e1e2194cc725ec1d41f9412496212f0fa0519c36
- https://git.kernel.org/stable/c/e4a3c4a4c8f6efd243c3e448c05b7bebcbf7b3b6
- https://git.kernel.org/stable/c/ff93f86ecbb50a4709c403fc279a396e308edde5