EUVD-2026-49003

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set veventqdepth upper bound iommufdveventqalloc accepts any !0 veventqdepth from userspace, with an upper bound at U32MAX. This leaves a vulnerability where userspace can allocate excessively large queues to exhaust...

Linux Distros Unpatched Vulnerability : CVE-2026-64289

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommufd: Set upper bounds on cache invalidation entrynum and entrylen iommufdhwptinvalidate takes a user-controlled entrynum and entrylen, each bounded only by...

The vulnerability of the iommufd component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the iommufd component in the Linux operating system’s kernel is related to the simultaneous execution using shared resources with incorrect synchronization. Exploiting this vulnerability can allow an attacker to cause a service failure...

RHEL 9 : kernel-rt (RHSA-2026:1443)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:1443 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Azure Linux 3.0 Security Update: kernel (CVE-2024-47719)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-47719 advisory. - In the Linux kernel, the following vulnerability has been resolved: iommufd: Protect against overflow of ALI...

Linux Distros Unpatched Vulnerability : CVE-2023-54239

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommufd: Check for uptr overflow syzkaller found that setting up a map with a user VA that wraps past zero can trigger WARNONs, particularly from pinuserpages...

CVE-2024-56624

CVE-2024-56624 affects the Linux kernel iommufd_fault_alloc path inside iommufd (drivers/iommu/iommufd/fault.c). The issue arises because fput() calls the file->f_op->release handler, which releases, then the fault object and ictx are released again, leading to imbalanced refcounts and memo...

kernel: iommufd: Require drivers to supply the cache_invalidate_user ops

In the Linux kernel, the following vulnerability has been resolved: iommufd: Require drivers to supply the cacheinvalidateuser ops If drivers don't do this then iommufd will oops invalidation ioctls with something like: Unable to handle kernel NULL pointer dereference at virtual address...

CVE-2023-52801

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix missing update of domainsitree after splitting ioptarea In ioptareasplit, if the original ioptarea has filled a domain and is linked to domainsitree, pagesnodes have to be properly reinserted. Otherwise the...

CVE-2024-26786

Technical details not publicly disclosed in the provided documents. CVE-2024-26786: Linux kernel iommufd fix for iopt_access_list_id overwrite; adds new_id and updates iopt_access_list_id only on success (root cause: iova alignment check failure).