Vulnerability · Published Jan 9, 2024 · Assigned by redhat
CVE-2024-0340Kernel: information disclosure in vhost/vhost.c:vhost_new_msg()
Medium 4.4
In plain English
A medium-severity information exposure in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.2%top 85.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-core | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-devel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-doc | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-headers | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-modules | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-rt | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-553.5.1.rt7.346.el8_10 | ALSA-2024:3627 |
| AlmaLinux:8 | kernel-tools | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | perf | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| AlmaLinux:8 | python3-perf | 4.18.0-553.5.1.el8_10 | ALSA-2024:3618 |
| Debian:12 | linux | 6.1.82-1 | DEBIAN-CVE-2024-0340 |
| Debian:13 | linux | 6.4.4-1 | DEBIAN-CVE-2024-0340 |
| Debian:14 | linux | 6.4.4-1 | DEBIAN-CVE-2024-0340 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.5.1.el8_10 | RLSA-2024:3618 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-553.5.1.rt7.346.el8_10 | RLSA-2024:3627 |
| Ubuntu:22.04:LTS | linux | 5.15.0-100.110 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux | 5.15.0-100.110 | USN-6686-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1056.61 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1056.61 | USN-6705-1 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1058.66 | USN-6686-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1058.66 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1058.66.1 | USN-6686-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1058.66.1 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1053.61 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1053.61 | USN-6686-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1052.57 | USN-6686-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1052.57 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1038.44 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1038.44 | USN-6686-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1048.51 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1048.51 | USN-6686-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1050.56 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1050.56 | USN-6686-5 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1052.57 | USN-6686-4 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1052.57 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-100.110 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-100.110 | USN-6686-2 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1046.46 | USN-6686-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1046.46 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1025.25 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1012.12 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1035.35 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1035.35 | USN-6688-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1053.59 | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1053.59 | USN-6686-3 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1048.51 | USN-6686-2 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1048.51 | UBUNTU-CVE-2024-0340 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-0340 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | UBUNTU-CVE-2024-0340 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| kernel | 0 – before 6.4-rc6 | |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | see references |
| Red Hat | Red Hat Enterprise Linux 6 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
References
- RHSA-2024:3618 vendor-advisory, x_refsource_REDHAT
- RHSA-2024:3627 vendor-advisory, x_refsource_REDHAT
- RHSA-2024:9315 vendor-advisory, x_refsource_REDHAT
- RHSA-2025:7526 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-0340 vdb-entry, x_refsource_REDHAT
- RHBZ#2257406 issue-tracking, x_refsource_REDHAT
- https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html x_transferred