CVE-2024-0340

MediumCVSS 5.5/10Last modified Nov 6, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
—	—	< 6.4-rc6
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 8	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9	—
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	—
Red Hat	Red Hat Enterprise Linux 6	—
Red Hat	Red Hat Enterprise Linux 7	—
Red Hat	Red Hat Enterprise Linux 7	—

References

https://access.redhat.com/errata/RHSA-2024:3618
https://access.redhat.com/errata/RHSA-2024:3627
https://access.redhat.com/errata/RHSA-2024:9315
https://access.redhat.com/errata/RHSA-2025:7526
https://access.redhat.com/security/cve/CVE-2024-0340Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2257406Issue Tracking, Patch, Third Party Advisory
https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/Mailing List, Patch
https://access.redhat.com/errata/RHSA-2024:3618
https://access.redhat.com/errata/RHSA-2024:3627
https://access.redhat.com/security/cve/CVE-2024-0340Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2257406Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/Mailing List, Patch

Timeline

Published: Jan 9, 2024
Last modified: Nov 6, 2026
NVD status: Modified

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