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ALSA-2024:2135 — Moderate: qemu-kvm security update

Affected: AlmaLinux:9: qemu-guest-agent, AlmaLinux:9: qemu-img, AlmaLinux:9: qemu-kvm, AlmaLinux:9: qemu-kvm-audio-pa, AlmaLinux:9: qemu-kvm-block-blkio, AlmaLinux:9: qemu-kvm-block-curl, AlmaLinux:9: qemu-kvm-block-rbd, AlmaLinux:9: qemu-kvm-common, AlmaLinux:9: qemu-kvm-core, AlmaLinux:9: qemu-kvm-device-display-virtio-gpu and 10 more

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.

Security Fix(es):

* QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest() (CVE-2023-3019) * QEMU: VNC: infinite loop in inflate_buffer() leads to denial of service (CVE-2023-3255) * QEMU: improper IDE controller reset can lead to MBR overwrite (CVE-2023-5088) * QEMU: VNC: NULL pointer dereference in qemu_clipboard_request() (CVE-2023-6683) * QEMU: am53c974: denial of service due to division by zero (CVE-2023-42467)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

bdu:2024-04419

BELL-CVE-2023-3255

Affected: Alpaquita:23: qemu, Alpaquita:stream: qemu

certfr-2024-avi-0619 — De multiples vulnérabilités ont été découvertes dans les produits VMware. Certaines d'entre elles permettent à un attaq…

certfr-2024-avi-0619

ESSA-2024:0485 — security update for virt:rhel

security update for virt:rhel

EUVD-2026-260410

fkie_cve-2023-3255

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. A wrong exit condition may lead to an infinite loop when inflating an attacker controlled zlib buffer in the `inflate_buffer` function. This could allow a remote authenticated client who is able to send a clipboard to the VNC server to trigger a denial of service.

GHSA-p5xv-5g6h-qw33

gsd-2023-3255

msrc_CVE-2023-3255 — Qemu: vnc: infinite loop in inflate_buffer() leads to denial of service

msrc_CVE-2023-3255

OESA-2023-1785 — qemu security update

Affected: openEuler:22.03-LTS: qemu

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fix(es): A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. A wrong exit condition may lead to an infinite loop when inflating an attacker controlled zlib buffer in the `inflate_buffer` function. This could allow a remote authenticated client who is able to send a clipboard to the VNC server to trigger a denial of service.(CVE-2023-3255)

RHSA-2024:2962 — Red Hat Security Advisory: virt:rhel and virt-devel:rhel security and enhancement update

QEMU: VNC: infinite loop in inflate_buffer() leads to denial of service QEMU: improper IDE controller reset can lead to MBR overwrite QEMU: VNC: NULL pointer dereference in qemu_clipboard_request() QEMU: virtio-net: stack buffer overflow in virtio_net_flush_tx()

UBUNTU-CVE-2023-3255

Affected: Ubuntu:22.04:LTS: qemu

WID-SEC-W-2023-1662 — QEMU: Schwachstelle ermöglicht Denial of Service

Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen.