Descrição
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.
CVSS 8.2EPSS 0.443%Risco 0.85
Ver fonte- Publicação
- 2026-07-25 10:17:21
- Versões afetadas
- unknown
- Tipo
- Outro
- Última alteração
- 2026-08-11 15:01:50
- Vetor
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H