The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-12358 advisory.

    - CVE-2023-1544 is not applicable to Oracle QEMU 6.1.1 (Karl Heubaum) [Orabug: 35305727] {CVE-2023-1544}

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

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

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-12328 advisory.

  - A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a     crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of     descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of QEMU.
    (CVE-2023-1544)

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

The remote host is affected by the vulnerability described in GLSA-202408-18 (QEMU: Multiple Vulnerabilities)

    Multiple vulnerabilities have been discovered in QEMU. Please review the CVE identifiers referenced below     for details.

Tenable has extracted the preceding description block directly from the Gentoo 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.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1103-1 advisory.

  - A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a     crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of     descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of QEMU.
    (CVE-2023-1544)

  - A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing     TX in the virtio_net_flush_tx function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and     VIRTIO_NET_F_MRG_RXBUF are enabled. This could allow a malicious user to overwrite local variables     allocated on the stack. Specifically, the `out_sg` variable could be used to read a part of process memory     and send it to the wire, causing an information leak. (CVE-2023-6693)

  - QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI command when an     expected non-DMA transfer length is less than the length of the available FIFO data. This occurs in     esp_do_nodma in hw/scsi/esp.c because of an underflow of async_len. (CVE-2024-24474)

  - 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. (CVE-2024-26327)

  - An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c does not set     NumVFs to PCI_SRIOV_TOTAL_VF, and thus interaction with hw/nvme/ctrl.c is mishandled. (CVE-2024-26328)

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

The version of QEMU installed on the remote Windows host is affected by multiple vulnerabilities, as follows:
   
  - A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU.     This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of     service. (CVE-2023-3019)

  - A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest     driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and     async events, potentially leading to an out-of-bounds read and crash of QEMU. (CVE-2023-1544)

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

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6567-1 advisory.

    Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the USB xHCI controller device. A     privileged guest attacker could possibly use this issue to cause QEMU to crash, leading to a denial of     service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2020-14394)

    It was discovered that QEMU incorrectly handled the TCG Accelerator. A local attacker could use this issue     to cause QEMU to crash, leading to a denial of service, or possibly execute arbitrary code and esclate     privileges. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-24165)

    It was discovered that QEMU incorrectly handled the Intel HD audio device. A malicious guest attacker     could use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected     Ubuntu 22.04 LTS. (CVE-2021-3611)

    It was discovered that QEMU incorrectly handled the ATI VGA device. A malicious guest attacker could use     this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 20.04     LTS. (CVE-2021-3638)

    It was discovered that QEMU incorrectly handled the VMWare paravirtual RDMA device. A malicious guest     attacker could use this issue to cause QEMU to crash, leading to a denial of service. (CVE-2023-1544)

    It was discovered that QEMU incorrectly handled the 9p passthrough filesystem. A malicious guest attacker     could possibly use this issue to open special files and escape the exported 9p tree. This issue only     affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-2861)

    It was discovered that QEMU incorrectly handled the virtual crypto device. A malicious guest attacker     could use this issue to cause QEMU to crash, leading to a denial of service, or possibly execute arbitrary     code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-3180)

    It was discovered that QEMU incorrectly handled the built-in VNC server. A remote authenticated attacker     could possibly use this issue to cause QEMU to stop responding, resulting in a denial of service. This     issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-3255)

    It was discovered that QEMU incorrectly handled net device hot-unplugging. A malicious guest attacker     could use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected     Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-3301)

    It was discovered that QEMU incorrectly handled the built-in VNC server. A remote attacker could possibly     use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu     20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-3354)

    It was discovered that QEMU incorrectly handled NVME devices. A malicious guest attacker could use this     issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 23.10.
    (CVE-2023-40360)

    It was discovered that QEMU incorrectly handled NVME devices. A malicious guest attacker could use this     issue to cause QEMU to crash, leading to a denial of service, or possibly obtain sensitive information.
    This issue only affected Ubuntu 23.10. (CVE-2023-4135)

    It was discovered that QEMU incorrectly handled SCSI devices. A malicious guest attacker could use this     issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 23.04 and     Ubuntu 23.10. (CVE-2023-42467)

    It was discovered that QEMU incorrectly handled certain disk offsets. A malicious guest attacker could     possibly use this issue to gain control of the host in certain nested virtualization scenarios.
    (CVE-2023-5088)

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

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

ID	Name	Product	Family	Published	Updated	Severity
180908	Oracle Linux 8 : virt:kvm_utils2 (ELSA-2023-12358)	Nessus	Oracle Linux Local Security Checks	9/7/2023	11/1/2024	medium
175919	Oracle Linux 9 : qemu-kvm (ELSA-2023-12328)	Nessus	Oracle Linux Local Security Checks	5/17/2023	4/29/2024	medium
205306	GLSA-202408-18 : QEMU: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	8/9/2024	8/9/2024	high
193075	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : qemu (SUSE-SU-2024:1103-1)	Nessus	SuSE Local Security Checks	4/9/2024	7/12/2024	medium
179667	QEMU < 7.2.4 / < 8.0.3 Multiple Vulnerabilites	Nessus	Windows	8/10/2023	9/28/2023	medium
187683	Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : QEMU vulnerabilities (USN-6567-1)	Nessus	Ubuntu Local Security Checks	1/8/2024	8/27/2024	high

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