The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:3015-1 advisory.

  - A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values     `cursor->header.width` and `cursor->header.height` can lead to the allocation of a small cursor object     followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw     to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU     process. (CVE-2021-4207)

  - A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem     may lead to memory corruption bugs like stack overflow or use-after-free. (CVE-2023-0330)

  - A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions     up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get     bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the     host resulting in DoS scenario. (CVE-2021-3416) (CVE-2023-2861)

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 SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:3800-1 advisory.

  - Insufficient policy enforcement in extensions in Google Chrome prior to 79.0.3945.79 allowed a remote     attacker to bypass navigation restrictions via a crafted HTML page. (CVE-2019-13754)

  - A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the     Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be     written to the controller's registers and trigger undesirable actions (such as reset) while the device is     still transferring packets. This can ultimately lead to a use-after-free issue. A malicious guest could     use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or     potentially execute arbitrary code within the context of the QEMU process on the host. This flaw affects     QEMU versions before 7.0.0. (CVE-2021-3750)

  - A DMA reentrancy issue was found in the NVM Express Controller (NVME) emulation in QEMU. This CVE is     similar to CVE-2021-3750 and, just like it, when the reentrancy write triggers the reset function     nvme_ctrl_reset(), data structs will be freed leading to a use-after-free issue. A malicious guest could     use this flaw to crash the QEMU process on the host, resulting in a denial of service condition or,     potentially, executing arbitrary code within the context of the QEMU process on the host. (CVE-2021-3929)

  - A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a     crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading     to a use-after-free condition. (CVE-2022-1050)

  - A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached     from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results.
    Affected QEMU versions <= 6.2.0. (CVE-2022-26354)

  - A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem     may lead to memory corruption bugs like stack overflow or use-after-free. (CVE-2023-0330)

  - A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions     up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get     bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the     host resulting in DoS scenario. (CVE-2021-3416) (CVE-2023-2861)

  - A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in     virtio_crypto_handle_sym_req. There is no check for the value of `src_len` and `dst_len` in     virtio_crypto_sym_op_helper, potentially leading to a heap buffer overflow when the two values differ.
    (CVE-2023-3180)

  - A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks     whether the current number of connections crosses a certain threshold and if so, cleans up the previous     connection. If the previous connection happens to be in the handshake phase and fails, QEMU cleans up the     connection again, resulting in a NULL pointer dereference issue. This could allow a remote unauthenticated     client to cause a denial of service. (CVE-2023-3354)

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

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-12152 advisory.

    - virtio-crypto: verify src&dst buffer length for sym request (zhenwei pi) [Orabug: 35724113]     {CVE-2023-3180}
    - hw/scsi/lsi53c895a: Fix reentrancy issues in the LSI controller (CVE-2023-0330) (Thomas Huth) [Orabug:
    35724112] {CVE-2023-0330}

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 remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1395-1 advisory.

  - A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the     Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be     written to the controller's registers and trigger undesirable actions (such as reset) while the device is     still transferring packets. This can ultimately lead to a use-after-free issue. A malicious guest could     use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or     potentially execute arbitrary code within the context of the QEMU process on the host. This flaw affects     QEMU versions before 7.0.0. (CVE-2021-3750)

  - A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The     flaw occurs while processing repeated messages to cancel the current SCSI request via the lsi_do_msgout     function. This flaw allows a malicious privileged user within the guest to crash the QEMU process on the     host, resulting in a denial of service. (CVE-2022-0216)

  - A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem     may lead to memory corruption bugs like stack overflow or use-after-free. (CVE-2023-0330)

  - A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in     virtio_crypto_handle_sym_req. There is no check for the value of `src_len` and `dst_len` in     virtio_crypto_sym_op_helper, potentially leading to a heap buffer overflow when the two values differ.
    (CVE-2023-3180)

  - A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks     whether the current number of connections crosses a certain threshold and if so, cleans up the previous     connection. If the previous connection happens to be in the handshake phase and fails, QEMU cleans up the     connection again, resulting in a NULL pointer dereference issue. This could allow a remote unauthenticated     client to cause a denial of service. (CVE-2023-3354)

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-2023:3082-1 advisory.

  - A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem     may lead to memory corruption bugs like stack overflow or use-after-free. (CVE-2023-0330)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
179038	SUSE SLES12 Security Update : qemu (SUSE-SU-2023:3015-1)	Nessus	SuSE Local Security Checks	2023/7/29	2023/9/28	high
182125	SUSE SLES15 Security Update : qemu (SUSE-SU-2023:3800-1)	Nessus	SuSE Local Security Checks	2023/9/28	2024/3/15	high
190433	Oracle Linux 8 : virt:kvm_utils1 (ELSA-2024-12152)	Nessus	Oracle Linux Local Security Checks	2024/2/12	2024/11/2	medium
193794	SUSE SLES12 Security Update : qemu (SUSE-SU-2024:1395-1)	Nessus	SuSE Local Security Checks	2024/4/24	2024/4/24	high
179196	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : qemu (SUSE-SU-2023:3082-1)	Nessus	SuSE Local Security Checks	2023/8/2	2023/12/12	high

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