The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50241 advisory.

    - Document CVEs (Mark Kanda) {CVE-2025-54566} {CVE-2025-54567} {CVE-2025-8860} {CVE-2026-0665}     {CVE-2026-3886}
    - hw/usb/hcd-ohci: check for MPS=0 to avoid infinite loop (Jenny Guanni Qu) [Orabug: 39160764]     {CVE-2026-3890}
    - hyperv/syndbg: check length returned by cpu_physical_memory_map() (Paolo Bonzini) [Orabug: 39160749]     {CVE-2026-3842}
    - block/vmdk: fix OOB read in vmdk_read_extent() (Halil Oktay) [Orabug: 39160776] {CVE-2026-2243}
    - cryptodev-builtin: Limit the maximum size (zhenwei pi) [Orabug: 39173335] {CVE-2025-14876}
    - hw/virtio/virtio-crypto: verify asym request size (zhenwei pi) [Orabug: 39173335] {CVE-2025-14876}
    - io: fix use after free in websocket handshake code (Daniel P. Berrange) [Orabug: 38687831]     {CVE-2025-11234}
    - hw/usb/hcd-uhci: don't assert for SETUP to non-0 endpoint (Peter Maydell) [Orabug: 37517799]     {CVE-2024-8354}

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.

The version of qemu installed on the remote host is prior to 3.1.0-8. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3182 advisory.

    A flaw was found in QEMU. A specially crafted VMDK image could trigger an out-of-bounds read     vulnerability, potentially leading to a 12-byte leak of sensitive information or a denial of service     condition (DoS). (CVE-2026-2243)

Tenable has extracted the preceding description block directly from the tested product 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 Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8161-1 advisory.

    It was discovered that the LSI53C895A SCSI Host Bus Adapter implementation of QEMU incorrectly handled     memory. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a     denial of service, or possibly execute arbitrary code. (CVE-2024-6519)

    It was discovered that QEMU could be made to read out of bounds when reading VMDK images. If a user or an     automated system were tricked into opening a specially crafted VMDK image, an attacker could possibly use     this issue to leak sensitive informaton or cause QEMU to crash, resulting in a denial of service.
    (CVE-2026-2243)

    It was discovered that the virtio-snd device implementation of QEMU could be made to write out of bounds.
    An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial     of service, or possibly execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu     25.10. (CVE-2026-3195)

    It was discovered that the virtio-snd device implementation of QEMU contained an arithmetic overflow. An     attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of     service, or possibly execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 25.10.
    (CVE-2026-3196)

    It was discovered that the Hyper-V Synthetic Debugging device implementation of QEMU could me made to     write out of bounds. An attacker inside the guest could possibly use this issue to cause QEMU to crash,     resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu     24.04 LTS and Ubuntu 25.10. (CVE-2026-3842)

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.

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20567-1 advisory.

    Update to version 10.0.9.

    Security issues fixed:

    - CVE-2026-3196: unbounded memory allocation and host denial-of-service via PCM_INFO requests sent from     the guest       (bsc#1259079).
    - CVE-2026-3195: heap out-of-bounds write when reading input audio in the virtio-snd device input callback       (bsc#1259080).
    - CVE-2026-2243: heap out-of-bounds read and 12-byte information leak when processing specially crafted     VMDK files       with qemu-img (bsc#1258509).

    Other updates and bugfixes:

    - Version 10.0.9:
       * Full backport list: https://lore.kernel.org/qemu-     devel/20260318045608.7E1B513DFF6@think4mjt.localdomain/
       * hyperv/syndbg: check length returned by cpu_physical_memory_map()
       * fuse: Copy write buffer content before polling
       * target/loongarch: Avoid recursive PNX exception on CSR_BADI fetch
       * target/loongarch: Preserve PTE permission bits in LDPTE
       * hw/net/npcm_gmac: Catch accesses off the end of the register array
       * linux-user: fix TIOCGSID ioctl
       * tests/tcg/multiarch/test-mmap: Check mmaps beyond reserved_va
       * bsd-user: Deal with mmap where start > reserved_va
       * linux-user: Deal with mmap where start > reserved_va
       * hw/net/xilinx_ethlite: Check for oversized TX packets
       * virtio-gpu: Ensure BHs are invoked only from main-loop thread
       * block/nfs: Do not enter coroutine from CB
       * block: Never drop BLOCK_IO_ERROR with action=stop for rate limiting
       * block/throttle-groups: fix deadlock with iolimits and muliple iothreads
       * mirror: Fix missed dirty bitmap writes during startup
       * block/curl: fix concurrent completion handling
       * block/vmdk: fix OOB read in vmdk_read_extent()
       * hw/net/smc91c111: Don't allow negative-length packets
       * io: fix cleanup for websock I/O source data on cancellation
       * io: fix cleanup for TLS I/O source data on cancellation
       * io: separate freeing of tasks from marking them as complete
       * target/i386/hvf/x86_mmu: Fix compiler warning
       * hw/i386/vmmouse: Fix hypercall clobbers
       * tests/docker: upgrade most non-lcitool debian tests to debian 13
       * hw/9pfs: fix missing EOPNOTSUPP on Twstat and Trenameat for fs synth driver
       * hw/9pfs: fix data race in v9fs_mark_fids_unreclaim()

    - Add support for AMD-Turn CPUs (jsc#PED-13174)
      * target/i386: Add support for EPYC-Turin model (jsc#PED-13174)
      * target/i386: Update EPYC-Genoa for Cache property, perfmon-v2, RAS and SVM feature bits     (jsc#PED-13174)
      * target/i386: Add couple of feature bits in CPUID_Fn80000021_EAX (jsc#PED-13174)
      * target/i386: Update EPYC-Milan CPU model for Cache property, RAS, SVM feature bits (jsc#PED-13174)
      * target/i386: Update EPYC-Rome CPU model for Cache property, RAS, SVM feature bits (jsc#PED-13174)
      * target/i386: Update EPYC CPU model for Cache property, RAS, SVM feature bits (jsc#PED-13174)

Tenable has extracted the preceding description block directly from the SUSE 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in QEMU. A specially crafted VMDK image could trigger an out-of-bounds read     vulnerability, potentially leading to a 12-byte leak of sensitive information or a denial of service     condition (DoS). (CVE-2026-2243)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50239 advisory.

    - Limit recursion in ri-records (CVE-2021-3622)       resolves: rhbz#1976194
    - Bounds check for block exceeding page length (CVE-2021-3504)       resolves: rhbz#1950501
    - Fixes: CVE-2022-40284
    - Fixes: CVE-2021-46790, CVE-2022-30783, CVE-2022-30784, CVE-2022-30785,       CVE-2022-30786, CVE-2022-30787, CVE-2022-30788, CVE-2022-30789       resolves: rhbz#2127240 rhbz#2127248       (also: 2127233 2127234 2127241 2127249 2127255 2127256 2127262 2127263)
    - Fixes: CVE-2021-33285, CVE-2021-33286, CVE-2021-33287, CVE-2021-33289,       CVE-2021-35266, CVE-2021-35267, CVE-2021-35268, CVE-2021-35269,       CVE-2021-39251, CVE-2021-39252, CVE-2021-39253, CVE-2021-39254       resolves: rhbz#2004490
    - Fix for CVE-2019-9755       (heap-based buffer overflow leads to local root privilege escalation)       resolves: rhbz#1698503
    - Fix CVE-2024-7383 NBD server improper certificate validation       resolves: RHEL-52728
    - Fix CVE-2022-0485: Fail nbdcopy if NBD read or write fails       resolves: rhbz#2045718
    - Contains fix for NBD Protocol Downgrade Attack (CVE-2019-14842).
    - Fix CVE-2025-49133       Resolves: RHEL-96251
    - Backport 'tpm2: Check size of buffer before accessing it' (CVE-2023-1017 & CVE-2023-1018)       Resolves: rhbz#2173964       Resolves: rhbz#2173970
    - Fix CVE-2021-3746 libtpms: out-of-bounds access via specially crafted TPM 2 command packets       Resolves: rhbz#1999307
    - Fix CVE-2021-3623: out-of-bounds access when trying to resume the state of the vTPM       Fixes: rhbz#1976816
    - Fix CVE-2021-3716 NBD_OPT_STRUCTURED_REPLY injection on STARTTLS       resolves: rhbz#1994915
    - Document CVEs (Mark Kanda) {CVE-2025-54566} {CVE-2025-54567} {CVE-2025-8860} {CVE-2026-0665}     {CVE-2026-3886}
    - hw/usb/hcd-ohci: check for MPS=0 to avoid infinite loop (Jenny Guanni Qu) [Orabug: 39160764]     {CVE-2026-3890}
    - hyperv/syndbg: check length returned by cpu_physical_memory_map() (Paolo Bonzini) [Orabug: 39160749]     {CVE-2026-3842}
    - block/vmdk: fix OOB read in vmdk_read_extent() (Halil Oktay) [Orabug: 39160776] {CVE-2026-2243}
    - cryptodev-builtin: Limit the maximum size (zhenwei pi) [Orabug: 39173335] {CVE-2025-14876}
    - hw/virtio/virtio-crypto: verify asym request size (zhenwei pi) [Orabug: 39173335] {CVE-2025-14876}
    - io: fix use after free in websocket handshake code (Daniel P. Berrange) [Orabug: 38687831]     {CVE-2025-11234}
    - hw/usb/hcd-uhci: don't assert for SETUP to non-0 endpoint (Peter Maydell) [Orabug: 37517799]     {CVE-2024-8354}
    - Add fix for CVE-2022-23645.
      Resolves: rhbz#2056517
    - Update to 0.4.2, to address potential symlink vulnerabilities (CVE-2020-28407).
      Resolves: rhbz#1906043
    - Fix CVE-2022-2211 Denial of Service in --key parameter       resolves: rhbz#2102720

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.

ID	Name	Product	Family	Published	Updated	Severity
310733	Oracle Linux 9 : qemu-kvm (ELSA-2026-50241)	Nessus	Oracle Linux Local Security Checks	4/28/2026	4/28/2026	medium
301267	Amazon Linux 2 : qemu, --advisory ALAS2-2026-3182 (ALAS-2026-3182)	Nessus	Amazon Linux Local Security Checks	3/6/2026	4/24/2026	medium
306091	Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : QEMU vulnerabilities (USN-8161-1)	Nessus	Ubuntu Local Security Checks	4/13/2026	4/24/2026	high
309143	openSUSE 16 Security Update : qemu (openSUSE-SU-2026:20567-1)	Nessus	SuSE Local Security Checks	4/22/2026	4/24/2026	medium
299617	Linux Distros Unpatched Vulnerability : CVE-2026-2243	Nessus	Misc.	2/19/2026	4/29/2026	medium
310544	Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50239)	Nessus	Oracle Linux Local Security Checks	4/27/2026	4/27/2026	medium

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