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.
https://lkml.org/lkml/2020/2/15/125
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.8
https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64
https://security.netapp.com/advisory/ntap-20200403-0003/
http://www.openwall.com/lists/oss-security/2020/04/15/4
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
https://www.debian.org/security/2020/dsa-4667
https://usn.ubuntu.com/4344-1/
https://usn.ubuntu.com/4345-1/
https://usn.ubuntu.com/4342-1/
https://usn.ubuntu.com/4364-1/
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Source: MITRE
Published: 2020-03-24
Updated: 2022-04-22
Type: CWE-787
Base Score: 5.4
Vector: AV:L/AC:M/Au:N/C:N/I:P/A:C
Impact Score: 7.8
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 5.3
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Impact Score: 4.2
Exploitability Score: 1
Severity: MEDIUM