CVE-2024-0340

Public on 2024-01-09
Modified on 2024-02-02
Description
A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This issue can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file.
Severity
Medium severity
Medium
CVSS v3 Base Score
4.4
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel Not Affected
Amazon Linux 2 - Core kernel 2024-05-23 ALAS2-2024-2549 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-02-29 ALAS2KERNEL-5.10-2024-051 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-03-27 ALAS2KERNEL-5.10-2024-053 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2024-02-29 ALAS2KERNEL-5.15-2024-039 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2024-02-29 ALAS2KERNEL-5.4-2024-061 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2024-03-27 ALAS2KERNEL-5.4-2024-062 Fixed
Amazon Linux 2023 kernel 2024-02-29 ALAS2023-2024-549 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N