RLSA-2026:67470 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vhost: move vdpa group bound check to vhostvdpa CVE-2026-43248 kernel: security/keys: fix missed RCU read section on lookup CVE-2026-64015 kernel: octeontx2-af: validate body pcifunc in...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-001476)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-001476 advisory. In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: assign irq bypass producer token correctly We used to call irqbypassunregisterproducer...

SUSE CVE-2026-74312

In the Linux kernel, the following vulnerability has been resolved: vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but they do not validate that the index is smaller than v-nvqs. The ioctl...

Linux Distros Unpatched Vulnerability : CVE-2026-74312

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but th...

CVE-2026-74312

In the Linux kernel, the following vulnerability has been resolved: vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but they do not validate that the index is smaller than v-nvqs. The ioctl...

UBUNTU-CVE-2026-74312

In the Linux kernel, the following vulnerability has been resolved: vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but they do not validate that the index is smaller than v-nvqs. The ioctl...

EUVD-2026-59459

In the Linux kernel, the following vulnerability has been resolved: vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but they do not validate that the index is smaller than v-nvqs. The ioctl...

CVE-2026-74312 vhost/vdpa: validate virtqueue index in mmap and fault paths

In the Linux kernel, the following vulnerability has been resolved: vhost/vdpa: validate virtqueue index in mmap and fault paths vhostvdpammap and vhostvdpafault use vma-vmpgoff as a virtqueue index for getvqnotification, but they do not validate that the index is smaller than v-nvqs. The ioctl...

CVE-2026-43248

In the Linux kernel, the following vulnerability has been resolved: vhost: move vdpa group bound check to vhostvdpa Remove duplication by consolidating these here. This reduces the posibility of a parent driver missing them. While we're at it, fix a bug in vdpasim where a valid ASID can be assign...

CVE-2026-43248 vhost: move vdpa group bound check to vhost_vdpa

In the Linux kernel, the following vulnerability has been resolved: vhost: move vdpa group bound check to vhostvdpa Remove duplication by consolidating these here. This reduces the posibility of a parent driver missing them. While we're at it, fix a bug in vdpasim where a valid ASID can be assign...

UBUNTU-CVE-2022-50851

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: fix the crash in unmap a large memory While testing in vIOMMU, sometimes Guest will unmap very large memory, which will cause the crash. To fix this, add a new function vhostvdpageneralunmap. This function will only...

CVE-2022-50851: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: fix the crash in unmap a large memory While testing in vIOMMU, sometimes Guest will unmap very large memory, which will cause the crash. To fix this, add a new function vhostvdpageneralunmap. This function will only...

EUVD-2022-55823

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix an iotlb memory leak Before commit 3d5698793897 "vhost-vdpa: introduce asid based IOTLB" we called vhostvdpaiotlbunmapv, iotlb, 0ULL, 0ULL - 1 during release to free all the resources allocated when processing use...

CVE-2024-47748

A use-after-free flaw was found in drivers/vhost/vdpa.c in the Linux kernel...

CVE-2024-47748

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: assign irq bypass producer token correctly We used to call irqbypassunregisterproducer in vhostvdpasetupvqirq which is problematic as we don't know if the token pointer is still valid or not. Actually, we use the...

CVE-2024-47748

CVE-2024-47748: Linux kernel vhost_vdpa code fixes an irq bypass producer token life-cycle bug. The token formerly registered in vhost_vdpa_setup_vq_irq() could outlive the eventfd_ctx, risking use-after-free when the eventfd is released. The patch binds the token lifecycle to VHOST_SET_VRING_CAL...

CVE-2024-47748 vhost_vdpa: assign irq bypass producer token correctly

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: assign irq bypass producer token correctly We used to call irqbypassunregisterproducer in vhostvdpasetupvqirq which is problematic as we don't know if the token pointer is still valid or not. Actually, we use the...

CVE-2024-47748 vhost_vdpa: assign irq bypass producer token correctly

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: assign irq bypass producer token correctly We used to call irqbypassunregisterproducer in vhostvdpasetupvqirq which is problematic as we don't know if the token pointer is still valid or not. Actually, we use the...

CVE-2024-47748 vhost_vdpa: assign irq bypass producer token correctly

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: assign irq bypass producer token correctly We used to call irqbypassunregisterproducer in vhostvdpasetupvqirq which is problematic as we don't know if the token pointer is still valid or not. Actually, we use the...