CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: batman-adv: tp_meter: avoid use of uninit sender vars batadv_tp_recv_ack() and batadv_tp_stop() are only valid for tp_vars in the BATADV_TP_SENDER role. When called with a BATADV_TP_RECEIVER role, it proceeds to read sender-only members that were never initialized, leading to undefined behavior. This can be triggered when a node that is currently acting as a receiver in an ongoing tp_meter session receives a malicious ACK packet. Guard against this by checking tp_vars->role immediately after the lookup and bailing out if it is not BATADV_TP_SENDER, before any of those members are accessed.
Засегнати продукти
- Linux Linux: 33a3bb4a3345bb511f9c69c913da95d4693e2a4e преди 0e388af04b3958b178a1b979527f93eb46ea1fee; 33a3bb4a3345bb511f9c69c913da95d4693e2a4e преди 1a21c055f66e78973712a4a1be2a554f1ee2e4f4; 33a3bb4a3345bb511f9c69c913da95d4693e2a4e преди 9884c9c02d3c90e9215db3c5128f59045d20ae91; 33a3bb4a3345bb511f9c69c913da95d4693e2a4e преди 53f931e0146ae5bdab4cba302646827d06b3794b; 33a3bb4a3345bb511f9c69c913da95d4693e2a4e преди ecdaa3e4d91040206afe21bc8a0d1198a0971ff3; 33a3bb4a3345bb511f9c69c913da95d4693e2a4e преди dc2ae5fbd2dadc26735092f140b246841d969a11; 33a3bb4a3345bb511f9c69c913da95d4693e2a4e преди 85397e48afe6be83ffca5ad3f4792296bfc81d3d; 33a3bb4a3345bb511f9c69c913da95d4693e2a4e преди 6c65cf23d4c6170fcf5714c32aa64689718cb142
- Linux Linux: 4.8; преди 4.8; 5.10.258 до 5.10.*; 5.15.209 до 5.15.*; 6.1.175 до 6.1.*; 6.6.142 до 6.6.*; 6.12.92 до 6.12.*; 6.18.34 до 6.18.*; 7.0.11 до 7.0.*; от 7.1 нататък
Вид слабост
История
- 24 юни 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-52931
- https://nvd.nist.gov/vuln/detail/CVE-2026-52931
- https://git.kernel.org/stable/c/0e388af04b3958b178a1b979527f93eb46ea1fee
- https://git.kernel.org/stable/c/1a21c055f66e78973712a4a1be2a554f1ee2e4f4
- https://git.kernel.org/stable/c/9884c9c02d3c90e9215db3c5128f59045d20ae91
- https://git.kernel.org/stable/c/53f931e0146ae5bdab4cba302646827d06b3794b
- https://git.kernel.org/stable/c/ecdaa3e4d91040206afe21bc8a0d1198a0971ff3
- https://git.kernel.org/stable/c/dc2ae5fbd2dadc26735092f140b246841d969a11
- https://git.kernel.org/stable/c/85397e48afe6be83ffca5ad3f4792296bfc81d3d
- https://git.kernel.org/stable/c/6c65cf23d4c6170fcf5714c32aa64689718cb142