CVE-2026-64090

Summary

In the Linux kernel, the following vulnerability has been resolved:

batman-adv: tt: avoid empty VLAN responses

The commit 16116dac2339 ("batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs") added checks to the local (direct) TT response code. But the response can also be done indirectly by another node using the global TT state. To avoid such inconsistency states reported in the original fix, also avoid sending empty VLANs for replies from the global TT state.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 1f467d9a095211d3f77e8ff1bee90e73ffe01c64affected
LinuxLinux7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 9a02c8fc963ddeecb5d8788be0740c1869fc54b7affected
LinuxLinux7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < ea4f757641430bcc8322772e161453c4db5ecb64affected
LinuxLinux7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 99f17d1cdb371cbd037975239b321f346d38f6d2affected
LinuxLinux7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < cfb30645280a2131e46cbd1b9a38cfd3ff893f12affected
LinuxLinux7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < b93ca6012712ecab2b551e120d7c95038d6a89e5affected
LinuxLinux7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < ab26e346322648f5c39de017d9723c9256284fceaffected
LinuxLinux7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < fa1bd704940b5bcbc32c0b28db9167405c8ee5e0affected
LinuxLinux3.13affected
LinuxLinux0 < 3.13unaffected
LinuxLinux5.10.259 <= 5.10.*unaffected
LinuxLinux5.15.210 <= 5.15.*unaffected
LinuxLinux6.1.176 <= 6.1.*unaffected
LinuxLinux6.6.143 <= 6.6.*unaffected
LinuxLinux6.12.93 <= 6.12.*unaffected
LinuxLinux6.18.34 <= 6.18.*unaffected
LinuxLinux7.0.11 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References