High severity · published May 28, 2026
CVE-2026-46198
batman-adv: fix integer overflow on buff_pos
8.8
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
2.6.38 before 5.10.258; 5.11 before 5.15.209; 5.16 before 6.1.175; 6.2 before 6.6.140; 6.7 before 6.12.90; 6.13 before 6.18.32; +4 more · source: NVD
LI
Linux · Linux
c6c8fea29769d998d94fcec9b9f14d4b52b349d3 before 867cd090760e8f5cd206f387b47ff9c56fac04e9; c6c8fea29769d998d94fcec9b9f14d4b52b349d3 before 10bb1f366d884d506c38a947b43026a75d1afe9a; c6c8fea29769d998d94fcec9b9f14d4b52b349d3 before 96c9c0ed9a9579a9085765aceaa4556a6666eb82; c6c8fea29769d998d94fcec9b9f14d4b52b349d3 before f61499359fa529f0d45a53bf7c573a49eb6322e6; c6c8fea29769d998d94fcec9b9f14d4b52b349d3 before 974542d1efc48b7e9fe16184e647615cba39969b; c6c8fea29769d998d94fcec9b9f14d4b52b349d3 before bf872db54f91ffe70104b98c20068b2d5910e018; +3 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-46198
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-46198
Patch
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
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