CVE-2019-15918

HIGH

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

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/

Details

Source: MITRE

Published: 2019-09-04

Updated: 2019-10-04

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH