CVE-2019-15918 Information

Description

An issue was discovered in the Linux kernel before 5.0.10. SMB2_negotiate in fs/cifs/smb2pdu.c has an out-of-bounds read because data structures are incompletely updated after a change from smb30 to smb21.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10 https://github.com/torvalds/linux/commit/b57a55e2200ede754e4dc9cce4ba9402544b9365 https://security.netapp.com/advisory/ntap-20191004-0001/ https://usn.ubuntu.com/4162-1/ https://usn.ubuntu.com/4162-2/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8