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CVE-2024-0340

Public on 2024-01-09
Modified on 2024-02-02
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.

Severity
Medium
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CVSS v3 Base Score
4.4
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.15 Extra kernel 2024-02-29 00:58 ALAS2KERNEL-5.15-2024-039
Amazon Linux 2 - Core kernel 2024-05-23 22:04 ALAS2-2024-2549
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-03-27 21:47 ALAS2KERNEL-5.10-2024-053
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-02-29 00:58 ALAS2KERNEL-5.10-2024-051
Amazon Linux 2 - Kernel-5.4 Extra kernel 2024-02-29 00:58 ALAS2KERNEL-5.4-2024-061
Amazon Linux 2 - Kernel-5.4 Extra kernel 2024-03-27 21:47 ALAS2KERNEL-5.4-2024-062
Amazon Linux 2023 kernel 2024-02-29 10:29 ALAS2023-2024-549

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N