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.
References (5)
Core 5
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/b57a55e2200ede754e4dc9cce4ba9402544b9365
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20191004-0001/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4162-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4162-2/
Scores
CVSS v3
7.8
EPSS
0.0010
EPSS Percentile
27.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
Status
published
Products (4)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
linux/linux_kernel
4.13.5 - 4.14.166
Published
Sep 04, 2019
Tracked Since
Feb 18, 2026