CVE-2024-0340
Kernel: information disclosure in vhost/vhost.c:vhost_new_msg()
CVSS Score
4.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-200 |
| Published | Jan 9, 2024 |
| Last Updated | Nov 7, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2024:3618 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:3627 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:9315 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:7526 access.redhat.com: https://access.redhat.com/security/cve/CVE-2024-0340 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2257406 lore.kernel.org: https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/ lists.debian.org: https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html