CVE-2024-0340

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.

Reserved 2024-01-09 | Published 2024-01-09 | Updated 2024-11-12 | Assigner redhat

Problem types

Exposure of Sensitive Information to an Unauthorized Actor

Product status

Default status
unaffected

Any version before 6.4-rc6
affected

Default status
affected

0:4.18.0-553.5.1.rt7.346.el8_10 before *
unaffected

Default status
affected

0:4.18.0-553.5.1.el8_10 before *
unaffected

Default status
affected

0:5.14.0-503.11.1.el9_5 before *
unaffected

Default status
affected

0:5.14.0-503.11.1.el9_5 before *
unaffected

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Timeline

2024-01-09:	Reported to Red Hat.
2023-05-22:	Made public.

References

access.redhat.com/errata/RHSA-2024:3618 (RHSA-2024:3618) vendor-advisory

access.redhat.com/errata/RHSA-2024:3627 (RHSA-2024:3627) vendor-advisory

access.redhat.com/errata/RHSA-2024:9315 (RHSA-2024:9315) vendor-advisory

access.redhat.com/security/cve/CVE-2024-0340 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2257406 (RHBZ#2257406) issue-tracking

lore.kernel.org/...5ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/

cve.org (CVE-2024-0340)

nvd.nist.gov (CVE-2024-0340)

Download JSON