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CVE-2020-10942

Public on 2020-03-23
Modified on 2020-05-08
Description

A stack buffer overflow issue was found in the get_raw_socket() routine of the Host kernel accelerator for virtio net (vhost-net) driver. It could occur while doing an ictol(VHOST_NET_SET_BACKEND) call, and retrieving socket name in a kernel stack variable via get_raw_socket(). A user able to perform ioctl(2) calls on the '/dev/vhost-net' device may use this flaw to crash the kernel resulting in DoS issue.

Severity
Low
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CVSS v3 Base Score
5.3
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2020-04-20 19:25 ALAS-2020-1360
Amazon Linux 2 - Core kernel 2020-03-23 16:25 ALAS2-2020-1405
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.165-131.185 2020-05-29 20:13 ALAS2LIVEPATCH-2020-014
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.165-133.209 2020-05-29 20:13 ALAS2LIVEPATCH-2020-015
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.171-136.231 2020-05-29 20:13 ALAS2LIVEPATCH-2020-016

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
NVD CVSSv2 5.4 AV:L/AC:M/Au:N/C:N/I:P/A:C
NVD CVSSv3 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H