Integer overflow in Linux kernel - CVE-2026-46198
Published: May 29, 2026
Vulnerability identifier: #VU132994
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46198
CWE-ID: CWE-190
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 disclose sensitive information.
The vulnerability exists due to an integer overflow in batadv_iv_ogm_send_to_if when processing aggregated OGM packets. A local user can trigger the flawed size calculation to disclose sensitive information.
How to mitigate CVE-2026-46198
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0799e5943611006b346b8813c7daf7dd5aa26bfd
- https://git.kernel.org/stable/c/974542d1efc48b7e9fe16184e647615cba39969b
- https://git.kernel.org/stable/c/b252797bfced986d6d92ec2f4cfcca842ce8aa78
- https://git.kernel.org/stable/c/bf872db54f91ffe70104b98c20068b2d5910e018
- https://git.kernel.org/stable/c/f61499359fa529f0d45a53bf7c573a49eb6322e6