CVE-2020-10942 Information

Description

In the Linux kernel before 5.5.8 get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field which might allow attackers to trigger kernel stack corruption via crafted system calls.

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html http://www.openwall.com/lists/oss-security/2020/04/15/4 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8 https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64 https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html https://lkml.org/lkml/2020/2/15/125 https://security.netapp.com/advisory/ntap-20200403-0003/ https://usn.ubuntu.com/4342-1/ https://usn.ubuntu.com/4344-1/ https://usn.ubuntu.com/4345-1/ https://usn.ubuntu.com/4364-1/ https://www.debian.org/security/2020/dsa-4667 https://www.debian.org/security/2020/dsa-4698

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

HIGH

Base Severity

5.3