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PUBLISHED

CVE-2024-0340

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

Reserved:2024-01-09
Published:2024-01-09
Updated:2024-04-18

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.



MEDIUM: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Problem types

Exposure of Sensitive Information to an Unauthorized Actor

Product status

Default status
affected

Default status
affected

Default status
affected

Default status
unknown

Default status
unknown

Default status
unknown

Default status
unknown

Timeline

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

References

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

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

https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/

cve.org CVE-2024-0340

nvd.nist.gov CVE-2024-0340

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