CVE-2026-31659

The CVE-2026-31659 issue affects the batman-adv component in the Linux kernel. batadv_tt_prepare_tvlv_global_data() computes a 16‑bit allocation length for a global TT response; if a remote originator advertises a large TT, the TT payload length plus VLAN offset can exceed 65,535 and wrap before ...

CVE-2026-31659 batman-adv: reject oversized global TT response buffers

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject oversized global TT response buffers batadvttpreparetvlvglobaldata builds the allocation length for a global TT response in 16-bit temporaries. When a remote originator advertises a large enough global TT, the ...

PT-2026-35011

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the batman-adv module where the batadv tt prepare tvlv global data function calculates the allocation length for a global TT response using 16-bit temporaries. If a...