QEMU: virtio: DMA reentrancy issue leads to double free vulnerability

A double free vulnerability was found in QEMU virtio devices virtio-gpu, virtio-serial-bus, virtio-crypto, where the memreentrancyguard flag insufficiently protects against DMA reentrancy issues. This issue could allow a malicious privileged guest user to crash the QEMU process on the host,...

kernel: virtio-blk: fix implicit overflow on virtio_max_dma_size

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: fix implicit overflow on virtiomaxdmasize The following codes have an implicit conversion from sizet to u32: u32maxsize = sizetvirtiomaxdmasizevdev; This may lead overflow, Ex sizet4G - u320. Once virtiomaxdmasize has...

kernel: net: missing check virtio

In the Linux kernel, the following vulnerability has been resolved: net: missing check virtio Two missing check in virtionethdrtoskb allowed syzbot to crash kernels again 1. After the skbsegment function the buffer may become non-linear nrfrags != 0, but since the SKBTXSHAREDFRAG flag is not set...

PT-2024-34707 · Freebsd · Freebsd

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The virtio vq recordon function is subject to a time-of-check to time-of-use TOCTOU race condition. Recommendations: At the moment, there is no...

Moderate: qemu-kvm security update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fixes: QEMU: SR-IOV: improper validation of NumVFs leads to buffer overflow...

Security update for qemu

This update for qemu fixes the following issues: CVE-2024-8354: Fixed assertion failure in usbepget bsc1230834. CVE-2024-8612: Fixed nformation leak in virtio devices bsc1230915. CVE-2024-7409: Fixed denial of service via improper synchronization in QEMU NBD Server during socket closure bsc122900...

UBUNTU-CVE-2024-50184

In the Linux kernel, the following vulnerability has been resolved: virtiopmem: Check device status before requesting flush If a pmem device is in a bad status, the driver side could wait for host ack forever in virtiopmemflush, causing the system to hang. So add a status check in the beginning o...

CVE-2024-50184 virtio_pmem: Check device status before requesting flush

In the Linux kernel, the following vulnerability has been resolved: virtiopmem: Check device status before requesting flush If a pmem device is in a bad status, the driver side could wait for host ack forever in virtiopmemflush, causing the system to hang. So add a status check in the beginning o...

DEBIAN-CVE-2024-50169

In the Linux kernel, the following vulnerability has been resolved: vsock: Update rxbytes on readskb Make sure virtiotransportincrxpkt and virtiotransportdecrxpkt calls are balanced i.e. virtiovsocksock::rxbytes doesn't lie after vsocktransport::readskb. While here, also inform the peer that we'v...

AZL-53450 CVE-2024-50169 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: vsock: Update rxbytes on readskb Make sure virtiotransportincrxpkt and virtiotransportdecrxpkt calls are balanced i.e. virtiovsocksock::rxbytes doesn't lie after vsocktransport::readskb. While here, also inform the peer that we'v...

UBUNTU-CVE-2024-50169

In the Linux kernel, the following vulnerability has been resolved: vsock: Update rxbytes on readskb Make sure virtiotransportincrxpkt and virtiotransportdecrxpkt calls are balanced i.e. virtiovsocksock::rxbytes doesn't lie after vsocktransport::readskb. While here, also inform the peer that we'v...

The vulnerability of the virtio-net component of the QEMU hardware emulation software allows a attacker to induce a service failure.

The vulnerability of the virtio-net device emulation component in QEMU is related to the operation of writing data beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to cause a system failure...

PT-2025-3593

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description The issue is related to an overflow inside virtnet rq alloc in the virtio-net component. This occurs when a frag just got a page and the sysctl net.core.high order alloc disable value is 1,...

The vulnerability of the virtio component in the Linux operating system, which allows a hacker to trigger a service failure

The vulnerability of the virtio component in the Linux operating system is related to stack overflow. Exploiting this vulnerability can allow an attacker to cause a service failure...

PT-2024-32352 · Virtio · Virtio

Name of the Vulnerable Software and Affected Versions: Virtio affected versions not specified Description: The issue is related to an integer overflow in the vring size of virtio ring.h, which could lead to a possible out of bounds write. This may result in local escalation of privilege without...

Google Pixel 安全漏洞

Google Pixel is a smartphone from Google, an American company. A security vulnerability exists in Google Pixel, which stems from a logic error in the code in vringinit in external/headers/include/virtio/virtioring.h, where an out-of-bounds write may exist...

PT-2024-32363 · Virtio · Virtio

Name of the Vulnerable Software and Affected Versions: Virtio affected versions not specified Description: The issue is related to a logic error in the code of vring init in virtio ring.h, which could lead to a possible out of bounds write. This could result in local escalation of privilege with ...

Google Pixel 安全漏洞

Google Pixel is a smartphone from the American company Google Google. Google Pixel suffers from an integer overflow vulnerability that originates from an integer overflow in vringsize in external/headers/include/virtio/virtioring.h, which can be exploited by an attacker to cause an out-of-bounds...

SUSE CVE-2024-49947

In the Linux kernel, the following vulnerability has been resolved: net: test for not too small csumstart in virtionethdrtoskb syzbot was able to trigger this warning 1, after injecting a malicious packet through afpacket, setting skb-csumstart and thus the transport header to an incorrect value...

SUSE CVE-2024-49948

In the Linux kernel, the following vulnerability has been resolved: net: add more sanity checks to qdiscpktleninit One path takes care of SKBGSODODGY, assuming skb-len is bigger than hdrlen. virtionethdrtoskb does not fully dissect TCP headers, it only make sure it is at least 20 bytes. It is...