Vulnerability · Published Feb 19, 2024 · Assigned by mitre
CVE-2024-26327
Medium 5.3
In plain English
A medium-severity heap buffer overflow in the qemu-guest-agent package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.6%top 51.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF implementations.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | qemu-guest-agent | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-img | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-audio-pa | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-block-blkio | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-block-curl | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-block-rbd | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-common | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-core | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-gpu | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-gpu-ccw | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-gpu-pci | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-device-display-virtio-vga | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-device-usb-host | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-device-usb-redirect | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-docs | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-tools | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-ui-egl-headless | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-kvm-ui-opengl | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| AlmaLinux:9 | qemu-pr-helper | 17:9.0.0-10.el9_5 | ALSA-2024:9136 |
| Debian:12 | qemu | 1:7.2+dfsg-7+deb12u6 | DEBIAN-CVE-2024-26327 |
| Debian:13 | qemu | 1:8.2.3+ds-1 | DEBIAN-CVE-2024-26327 |
| Debian:14 | qemu | 1:8.2.3+ds-1 | DEBIAN-CVE-2024-26327 |
| Rocky Linux:9 | qemu-kvm | 7:9.0.0-10.el9_5.2 | RLSA-2024:9136 |
| Ubuntu:24.04:LTS | qemu | 1:8.2.2+ds-0ubuntu1.2 | USN-6977-1 |
| Ubuntu:24.04:LTS | qemu | 1:8.2.2+ds-0ubuntu1.2 | UBUNTU-CVE-2024-26327 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H