CVE-2024-0340: Linux kernel · Information Exposure
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 4.4 Medium.
Data as of 29 Oct 2026, 08:28 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 4.4 |
|---|
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 9 Jan 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| kernel | Affected
| Fixed in– |
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
- access.redhat.com/errata/RHSA-2024:3618 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:3627 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:9315 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:7526 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2024-0340 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2257406 (opens in a new tab)
- lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/ (opens in a new tab)
- lists.debian.org/debian-lts-announce/2024/06/msg00017.html (opens in a new tab)
- lists.debian.org/debian-lts-announce/2024/06/msg00020.html (opens in a new tab)