CVE-2026-46198

batman-adv: fix integer overflow on buff_pos

HIGH
8.8
CVSS Score
Published: May 28, 2026 at 09:40 AM UTC
Updated: August 5, 2026 at 01:24 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.8
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.6.38 ≤ v < 5.10.2582.6.38 ≤ v < 5.15.2092.6.38 ≤ v < 6.1.1752.6.38 ≤ v < 6.12.902.6.38 ≤ v < 6.18.322.6.38 ≤ v < 6.6.1402.6.38 ≤ v < 7.0.92.6.38 ≤ v < 7.15.11 ≤ v < 5.15.2095.16 ≤ v < 6.1.1756.13 ≤ v < 6.18.326.19 ≤ v < 7.0.96.2 ≤ v < 6.6.1406.7 ≤ v < 6.12.907.1 rc17.1 rc27.1 rc3c6c8fea29769d998d94fcec9b9f14d4b52b349d3
Vendor states this is fixed in 0799e5943611006b346b8813c7daf7dd5aa26bfd (fixed)
Vendor states this is fixed in 10bb1f366d884d506c38a947b43026a75d1afe9a (fixed)
Vendor states this is fixed in 867cd090760e8f5cd206f387b47ff9c56fac04e9 (fixed)
Vendor states this is fixed in 96c9c0ed9a9579a9085765aceaa4556a6666eb82 (fixed)
Vendor states this is fixed in 974542d1efc48b7e9fe16184e647615cba39969b (fixed)
Vendor states this is fixed in b252797bfced986d6d92ec2f4cfcca842ce8aa78 (fixed)
Vendor states this is fixed in bf872db54f91ffe70104b98c20068b2d5910e018 (fixed)
Vendor states this is fixed in f61499359fa529f0d45a53bf7c573a49eb6322e6 (fixed)
Vendor states this is fixed in 2.6.38 (unaffected)
Vendor states this is fixed in 5.10.258 (unaffected)
Vendor states this is fixed in 5.15.209 (unaffected)
Vendor states this is fixed in 6.1.175 (unaffected)
Vendor states this is fixed in 6.12.90 (unaffected)
Vendor states this is fixed in 6.18.32 (unaffected)
Vendor states this is fixed in 6.6.140 (unaffected)
Vendor states this is fixed in 7.0.9 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

CVSS

8.8HIGHLinux
Vector?

Quick Info

StatusANALYZED
CWE
CWE-190

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