Kernel: information disclosure in vhost/vhost.c:vhost_new_msg()
CVE-2024-0340

4.4MEDIUM

Key Information:

Status
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 9.4 Extended Update Support
Vendor
CVE Published:
9 January 2024

What is 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.

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References

https://access.redhat.com/errata/RHSA-2024:3618
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3627
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:9315
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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