CVE-2026-72226Critical· 9.8▾ MidnightIn the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: prevent TVLV OOB check overflow A TT unicast TVLV contains the number of VLANs stored in it. This number is an u16 and gets multiplied by the size of t…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 0.2 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.8%
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: tt: prevent TVLV OOB check overflow
A TT unicast TVLV contains the number of VLANs stored in it. This number is an u16 and gets multiplied by the size of the struct batadv_tvlv_tt_vlan_data (8 bytes). The size can therefore overflow the u16 used to store the tt_vlan_len. All additional safety checks to prevent out-of-bounds access of the TVLV buffer are invalid due to this overflow.
Using size_t prevents this overflow and ensures that the safety checks compare against the actual buffer requirements.
Linux >= 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 0de12a4c4847f571d82a9cd96bc633eded41d7c6Linux >= 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < d6ff4764ff784ede25f5c83a6f5883a74c93a5eaLinux >= 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 1898273c5dc8148267ef9f97cd2517a2822350e7Linux >= 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 604bd5042fbcd1ab9f7cd98fd847ec017aeede8aLinux >= 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 7319c0794f91be2734aac695794e7203606b49f8Linux >= 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 3256c05d5a9db34346eaf20f52dddde984852d77Linux >= 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 6222b443686525cb5a9b6a9cecf23b2e2ab23e2aLinux >= 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b < 7a581d9aaba8c82bd6177fa36b2588eea77f6e2bLinux 3.13Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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