CVE-2026-46198
batman-adv: fix integer overflow on buff_pos
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.
INFO
Published Date :
May 28, 2026, 10:16 a.m.
Last Modified :
June 10, 2026, 5:09 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to the latest version.
- Apply the specific patch for batman-adv.
- Ensure buff_pos uses a type compatible with size checks.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46198.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46198 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46198
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46198 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46198 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Jun. 10, 2026
Action Type Old Value New Value Added CWE CWE-190 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.175 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.209 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.38 up to (excluding) 5.10.258 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.32 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.90 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.9 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0799e5943611006b346b8813c7daf7dd5aa26bfd Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/10bb1f366d884d506c38a947b43026a75d1afe9a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/867cd090760e8f5cd206f387b47ff9c56fac04e9 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/96c9c0ed9a9579a9085765aceaa4556a6666eb82 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/974542d1efc48b7e9fe16184e647615cba39969b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b252797bfced986d6d92ec2f4cfcca842ce8aa78 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/bf872db54f91ffe70104b98c20068b2d5910e018 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f61499359fa529f0d45a53bf7c573a49eb6322e6 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 01, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/10bb1f366d884d506c38a947b43026a75d1afe9a Added Reference https://git.kernel.org/stable/c/867cd090760e8f5cd206f387b47ff9c56fac04e9 Added Reference https://git.kernel.org/stable/c/96c9c0ed9a9579a9085765aceaa4556a6666eb82 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2026
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/0799e5943611006b346b8813c7daf7dd5aa26bfd Added Reference https://git.kernel.org/stable/c/974542d1efc48b7e9fe16184e647615cba39969b Added Reference https://git.kernel.org/stable/c/b252797bfced986d6d92ec2f4cfcca842ce8aa78 Added Reference https://git.kernel.org/stable/c/bf872db54f91ffe70104b98c20068b2d5910e018 Added Reference https://git.kernel.org/stable/c/f61499359fa529f0d45a53bf7c573a49eb6322e6