8.2
CVSS 3.1
Няма данни
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Няма потвърждение
Атакува се
Няма данни
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: smb: client: harden POSIX SID length parsing posix_info_sid_size() reads sid[1] to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remaining byte. Require two bytes before reading sid[1] so all client paths that reuse the helper reject truncated POSIX SIDs safely.
Засегнати продукти
- Linux Linux: 349e13ad30b45998bb9937cfe0b32be6f951976d преди 171605aed68380c2fa75dff9b3a1ed427c50065b; 349e13ad30b45998bb9937cfe0b32be6f951976d преди 4213c1208978483021d7d125c131de3985d38f61; 349e13ad30b45998bb9937cfe0b32be6f951976d преди 96e889bc1e759c83f25093e8c2f3da31b4973f30; 349e13ad30b45998bb9937cfe0b32be6f951976d преди 0de5b8e76847f5de26f364a82c6602c4881c30da; 349e13ad30b45998bb9937cfe0b32be6f951976d преди 427eb7eb46425fec845a43e861f3d6e2899cae59; 349e13ad30b45998bb9937cfe0b32be6f951976d преди 86c5d470f5d42e61123b2f4b4f0b91f4eee5b980; 349e13ad30b45998bb9937cfe0b32be6f951976d преди 46a84715a015cb48e1b9c219dc88c03d8a541ea4; 349e13ad30b45998bb9937cfe0b32be6f951976d преди 7ad2bcf2441430bb2e918fb3ef9a90d775a6e422
- Linux Linux: 5.7; преди 5.7; 5.10.261 до 5.10.*; 5.15.212 до 5.15.*; 6.1.178 до 6.1.*; 6.6.145 до 6.6.*; 6.12.96 до 6.12.*; 6.18.39 до 6.18.*; 7.1.4 до 7.1.*; от 7.2 нататък
Вид слабост
История
- 25 юли 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-64380
- https://nvd.nist.gov/vuln/detail/CVE-2026-64380
- https://git.kernel.org/stable/c/171605aed68380c2fa75dff9b3a1ed427c50065b
- https://git.kernel.org/stable/c/4213c1208978483021d7d125c131de3985d38f61
- https://git.kernel.org/stable/c/96e889bc1e759c83f25093e8c2f3da31b4973f30
- https://git.kernel.org/stable/c/0de5b8e76847f5de26f364a82c6602c4881c30da
- https://git.kernel.org/stable/c/427eb7eb46425fec845a43e861f3d6e2899cae59
- https://git.kernel.org/stable/c/86c5d470f5d42e61123b2f4b4f0b91f4eee5b980
- https://git.kernel.org/stable/c/46a84715a015cb48e1b9c219dc88c03d8a541ea4
- https://git.kernel.org/stable/c/7ad2bcf2441430bb2e918fb3ef9a90d775a6e422