CVE record · CVE-2024-0340

Kernel: information disclosure in vhost/vhost.c:vhost_new_msg()

CVSS 4.4 MediumEPSS 0.0024 · 14th percentile

Published by the CVE Program (CNA: redhat) at 9 Jan 2024, 17:36 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	Not given Package name: kernel https://git.kernel.org/pub/scm/linux/kernel	affected before 6.4-rc6 semver Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 8 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-553.5.1.rt7.346.el8_10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.18.0-553.5.1.el8_10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.14.0-503.11.1.el9_5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.14.0-503.11.1.el9_5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support Package name: kernel https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.14.0-427.68.1.el9_4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: kernel https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Package name: kernel https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Package name: kernel-rt https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2024-0340
CNA: redhat
Weakness (CWE): CWE-200
Tags: Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 9.4 Extended Update Support
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Information disclosure
Published: 9 Jan 2024
Updated: 29 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
4.4	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0024, the 14th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Jan 2024. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2024:3618 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:3627 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:9315 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:7526 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2024-0340 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2257406 issue-trackingredhat
lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.