CVE-2024-0340

medium

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.

References

https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/

https://bugzilla.redhat.com/show_bug.cgi?id=2257406

https://access.redhat.com/security/cve/CVE-2024-0340

https://access.redhat.com/errata/RHSA-2024:3627

https://access.redhat.com/errata/RHSA-2024:3618

Details

Source: Mitre, NVD

Published: 2024-01-09

Updated: 2024-06-05

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium