Vulnerability Details : CVE-2024-0340
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.
Products affected by CVE-2024-0340
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.4:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.4:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.4:rc3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2024-0340
0.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2024-0340
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST | 2024-01-16 |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
0.8
|
3.6
|
Red Hat, Inc. | 2024-01-09 |
CWE ids for CVE-2024-0340
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2024-0340
-
https://bugzilla.redhat.com/show_bug.cgi?id=2257406
2257406 – (CVE-2024-0340) CVE-2024-0340 kernel: Information disclosure in vhost/vhost.c:vhost_new_msg()Issue Tracking;Patch;Third Party Advisory
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https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/
[PATCH] vhost: use kzalloc() instead of kmalloc() followed by memset()Mailing List;Patch
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https://access.redhat.com/errata/RHSA-2025:7526
-
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
[SECURITY] [DLA 3840-1] linux security update
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https://access.redhat.com/errata/RHSA-2024:9315
RHSA-2024:9315 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:3618
RHSA-2024:3618 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:3627
RHSA-2024:3627 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/security/cve/CVE-2024-0340
CVE-2024-0340- Red Hat Customer PortalThird Party Advisory
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https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
[SECURITY] [DLA 3842-1] linux-5.10 security update
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