UBUNTU-CVE-2024-3447

A heap-based buffer overflow was found in the SDHCI device emulation of QEMU. The bug is triggered when both s-datacount and the size of s-fifobuffer are set to 0x200, leading to an out-of-bound access. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS : AsyncSSH vulnerabilities (USN-7108-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7108-1 advisory. Fabian Bumer, Marcus Brinkmann, and Jrg Schwenk discovered that AsyncSSH did not properly handle the extension info message. An...

USN-7100-2 linux-aws vulnerabilities

Supraja Sridhara, Benedict Schlüter, Mark Kuhne, Andrin Bertschi, and Shweta Shinde discovered that the Confidential Computing framework in the Linux kernel for x86 platforms did not properly handle 32-bit emulation on TDX and SEV. An attacker with access to the VMM could use this to cause a deni...

qemu-kvm: pcie: improper validation of NumVFs leads to buffer overflow

A flaw was found in the SR/IOV emulation support of QEMU. The registervfs function in hw/pci/pciesriov.c mishandled the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF Virtual Function implementations. This flaw allows a malicious guest to crash QEM...

USN-7100-1 linux, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15, linux-raspi, linux-xilinx-zynqmp vulnerabilities

Supraja Sridhara, Benedict Schlüter, Mark Kuhne, Andrin Bertschi, and Shweta Shinde discovered that the Confidential Computing framework in the Linux kernel for x86 platforms did not properly handle 32-bit emulation on TDX and SEV. An attacker with access to the VMM could use this to cause a deni...

USN-7100-1: Linux kernel vulnerabilities

Supraja Sridhara, Benedict Schlüter, Mark Kuhne, Andrin Bertschi, and Shweta Shinde discovered that the Confidential Computing framework in the Linux kernel for x86 platforms did not properly handle 32-bit emulation on TDX and SEV. An attacker with access to the VMM could use this to cause a deni...

The vulnerability of the implementation of the virtual host shell LSI53C895A SCSI emulator for hardware emulation software QEMU allows a perpetrator to escalate their privileges and execute arbitrary code.

The vulnerability of the implementation of the virtual host shell LSI53C895A SCSI emulation software for hardware support by QEMU is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to enhance their privileges and execute arbitrary code...

The vulnerability of the Guest Agent Service emulation software for hardware infrastructure provided by QEMU allows a hacker to elevate their privileges within the system.

The vulnerability of the Guest Agent Service emulation software for hardware devices based on QEMU is related to insecure management of privileges. Exploiting this vulnerability can allow an attacker to enhance their privileges within the system...

Vulnerability of the usb_ep_get() function (hw/net/core.c) in the QEMU hardware emulation software, allowing a hacker to cause a service failure

The vulnerability of the usbepget function hw/net/core.c in the QEMU hardware emulation software is related to the insufficient use of the assert function. Exploiting this vulnerability could allow a attacker to cause a system failure...

Exploit for Out-of-bounds Write in Tenda Ac8_Firmware

CVE-2023-33669 Exploit Exploit for a stack overflow vulnerabi...

SUSE-SU-2024:3744-1 Security update for qemu

This update for qemu fixes the following issues: Security fixes: - CVE-2024-8354: Fixed assertion failure in usbepget bsc1230834 - CVE-2024-8612: Fixed information leak in virtio devices bsc1230915 Update version to 8.2.7: Security fixes: - CVE-2024-7409: Fixed denial of service via improper...

CVE-2024-6519

A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation. This issue can lead to a crash or VM escape...

CVE-2024-6519

CVE-2024-6519 affects QEMU’s LSI53C895A SCSI Host Bus Adapter emulation. The vulnerability is a use-after-free in the emulation code, leading to a crash or VM escape. CVSS metrics indicate a local, low-complexity exploit with high impact ( Confidentiality/Integrity/Availability: HIGH; Privileges ...

CVE-2024-41585

DrayTek Vigor3910 devices through 4.3.2.6 are affected by an OS command injection vulnerability that allows an attacker to leverage the recvCmd binary to escape from the emulated instance and inject arbitrary commands into the host machine...

CLSA-2024-1727690947 kernel: Fix of 80 CVEs

sch/netem: fix use after free in netemdequeue CVE-2024-46800 - VMCI: Fix use-after-free when removing resource in vmciresourceremove CVE-2024-46738 - drm/amdgpu: Fix out-of-bounds write warning CVE-2024-46725 - drm/amdgpu: Fix out-of-bounds read of dfv17channelnumber CVE-2024-46724 - drm/amdgpu:...

CLSA-2024-1727352561 kernel: Fix of 19 CVEs

tipc: Return non-zero value from tipcudpaddr2str on error CVE-2024-42284 - dev/parport: fix the array out-of-bounds risk CVE-2024-42301 - RDMA/iwcm: Fix a use-after-free related to destroying CM IDs CVE-2024-42285 - scsi: aacraid: Fix double-free on probe failure CVE-2024-46673 - ipv6: prevent...

CVE-2024-31145 error handling in x86 IOMMU identity mapping

Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region Reporting, "RMRR" for Intel VT-d or Unity Mapping ranges for AMD-Vi. These are typically used for platform tasks such as legacy USB emulation. Since the precise purpose of these regions ...

CVE-2024-31145

CVE-2024-31145 is confirmed in connected advisories as a Xen/Xen-related vulnerability affecting the x86 IOMMU identity mapping for PCI devices using Reserved Memory Regions (RMRR) or similar mappings. The flaw allows a guest VM to retain access to memory regions that should be removed, enabling ...

The vulnerabilities of the functions read_erst_record() and write_erst_record() in the QEMU hardware emulation software allow a malicious actor to induce a service failure.

The vulnerability of the readerstrecord and writeerstrecord functions in the QEMU hardware emulation software involves copying buffers without checking the input data. Exploiting this vulnerability allows an attacker to cause a service failure...

The vulnerability of the QEMU hardware emulation software, related to synchronization errors, allows a perpetrator to access confidential data, compromise its integrity, and cause service failures.

The vulnerability of the QEMU hardware emulation software is related to synchronization errors. Exploiting this vulnerability allows an attacker to access confidential data, compromise its integrity, and cause service failures...