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Vulnerability record · CVE-2026-46198 · published 28 May 2026

CVE-2026-46198: Linux kernel integer overflow vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix integer overflow on buff_pos Fixing an integer overflow present in batadv_iv_ogm_send_to_if. The size check is done using the int type in batadv_iv_ogm_aggr_packet whereas the buff_pos variable uses the s16 type. This could lead to an out-of-bound read.

8.8 CVSS 3.1 High EPSS 0.41% · top 67.1% CWE-190 · Integer overflow
8.8CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix integer overflow on buff_pos Fixing an integer overflow present in batadv_iv_ogm_send_to_if. The size check is done using the int type in batadv_iv_ogm_aggr_packet whereas the buff_pos variable uses the s16 type. This could lead to an out-of-bound read.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/0799e5943611006b346b8813c7daf7dd5aa26bfd Patch
https://git.kernel.org/stable/c/10bb1f366d884d506c38a947b43026a75d1afe9a Patch
https://git.kernel.org/stable/c/867cd090760e8f5cd206f387b47ff9c56fac04e9 Patch
https://git.kernel.org/stable/c/96c9c0ed9a9579a9085765aceaa4556a6666eb82 Patch
https://git.kernel.org/stable/c/974542d1efc48b7e9fe16184e647615cba39969b Patch
https://git.kernel.org/stable/c/b252797bfced986d6d92ec2f4cfcca842ce8aa78 Patch
https://git.kernel.org/stable/c/bf872db54f91ffe70104b98c20068b2d5910e018 Patch
https://git.kernel.org/stable/c/f61499359fa529f0d45a53bf7c573a49eb6322e6 Patch

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Source: NIST National Vulnerability Database (record CVE-2026-46198), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.