CVE-2026-46198

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 v3.1 Score

8.8

HIGH

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

EPSS — Exploit Prediction

0.0029

Probability of exploitation

0.20%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/0799e5943611006b346b8813c7daf7dd5aa26bfd https://git.kernel.org/stable/c/10bb1f366d884d506c38a947b43026a75d1afe9a https://git.kernel.org/stable/c/867cd090760e8f5cd206f387b47ff9c56fac04e9 https://git.kernel.org/stable/c/96c9c0ed9a9579a9085765aceaa4556a6666eb82 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

Frequently Asked Questions

What is CVE-2026-46198? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-46198? +

CVE-2026-46198 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0029, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-46198? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.