Detections
Analytics

Oracle Linux 9 : qemu-kvm (ELSA-2026-500245)

medium Nessus Plugin ID 343529

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500245 advisory.

 - dmg: reject inconsistent UDRW chunk sector count and length (CVE-2026-65928) (Stefan Hajnoczi) [Orabug:
 39849788] {CVE-2026-65928}
 - dmg: fix out-of-bounds load in search_chunk() (CVE-2026-65929) (Stefan Hajnoczi) [Orabug: 39849747] {CVE-2026-65929}
 - virtio: avoid packed vring virtio_queue_empty() infinite loops (CVE-2026-16457) (Stefan Hajnoczi) [Orabug: 39844863] {CVE-2026-16457}
 - hw/net/virtio-net: Protect from DMA re-entrancy bugs (Laurent Vivier) [Orabug: 39843811] {CVE-2026-66022}
 - libvduse: validate vq size (Michael S. Tsirkin) [Orabug: 39825932] {CVE-2026-61402}
 - libvhost-user: fix heap overflow in vu_check_queue_inflights (Michael S. Tsirkin) [Orabug: 39843801] {CVE-2026-63110}
 - libvhost-user: validate last_batch_head in vu_check_queue_inflights (Michael S. Tsirkin) [Orabug:
 39843801] {CVE-2026-63110}
 - virtio-net: fix short frame OOB read in receive_filter() (Michael S. Tsirkin) [Orabug: 39843795] {CVE-2026-63320}
 - hw/9pfs: fix O_TRUNC bypass on read-only export (Christian Schoenebeck) [Orabug: 39804678] {CVE-2026-63318}
 - hw/usb/hcd-xhci-sysbus: Fix OOB heap access in xhci_sysbus_intr_raise() (Thomas Huth) [Orabug: 39793551] {CVE-2026-16043}
 - usbredir: fix use-after-free on buffered bulk packet overflow (Marc-Andre Lureau) [Orabug: 39793554] {CVE-2026-15705}
 - ui/vnc: validate SetPixelFormat field ranges (Marc-Andre Lureau) [Orabug: 39804658] {CVE-2026-15578}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-500245.html

Plugin Details

Severity: Medium

ID: 343529

File Name: oraclelinux_ELSA-2026-500245.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/7/2026

Updated: 9/7/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.48

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-15705

CVSS v3

Risk Factor: Medium

Base Score: 6

Temporal Score: 5.2

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:qemu-guest-agent, p-cpe:/a:oracle:linux:qemu-img, p-cpe:/a:oracle:linux:qemu-kvm-block-curl, p-cpe:/a:oracle:linux:qemu-kvm-block-iscsi, p-cpe:/a:oracle:linux:qemu-kvm-block-rbd, p-cpe:/a:oracle:linux:qemu-kvm-block-ssh, p-cpe:/a:oracle:linux:qemu-kvm-common, p-cpe:/a:oracle:linux:qemu-kvm-core, p-cpe:/a:oracle:linux:qemu-kvm-device-usb-host, p-cpe:/a:oracle:linux:qemu-kvm, p-cpe:/a:oracle:linux:qemu-virtiofsd

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2026

Vulnerability Publication Date: 8/17/2026

Reference Information

CVE: CVE-2026-15578, CVE-2026-15705, CVE-2026-16043, CVE-2026-16457, CVE-2026-61402, CVE-2026-63110, CVE-2026-63318, CVE-2026-63320, CVE-2026-65928, CVE-2026-65929, CVE-2026-66022