CVE-2026-98282 powerpc/iommu: Fix the overflow validation in iommu_tce_check_ioba

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...

CVE-2026-98282

The Linux kernel contains a vulnerability in the powerpc/iommu component related to iommu_tce_check_ioba. The issue arose because a previous commit unified IOBA parameter checking but ignored the npages argument, using a constant value of '1' instead. This omission could lead to an arithmetic ove...

CVE-2026-98282 powerpc/iommu: Fix the overflow validation in iommu_tce_check_ioba

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...

CVE-2026-98282: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...

PT-2026-106611

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the powerpc/iommu component where the iommu tce check ioba function fails to properly validate the npages argument. The function incorrectly uses a constant value of '...

Linux Distros Unpatched Vulnerability : CVE-2026-98282

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 KVM: PPC: iommu: Unify TCE checking unified IOBA parameter checking acro...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fixes the issue where notifiers are shared between PCI and VIO buses. The failiommusetup function registers the failiommubusnotifier struct for both PCI and VIO buses. The struct notifierblock is a linked-list node...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/iommu: The LPAR panics during bootup due to a frozen PE. During the LPAR bootup, the partition firmware provides the ibm,dma-window property for the PE. This property is provided on the PCI bus to which the PE is...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist slab/slub objects for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a bug when the CONFIGHARDENEDUSERCOPY configuration is enabled, as shown belo...

Astra Linux – Vulnerability in Linux

The file arch/powerpc/kvm/book3srtas.c in the Linux kernel, as of version 5.13.5 on the PowerPC platform, allows KVM guest OS users to cause memory corruption in the host OS through rtasargs.nargs, also known as CID-f62f3c20647e...

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in the Linux kernel for PowerPC before version 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to a bug in the implementation of arch/powerpc/kvm/book3shvrmhandlers.S, which handles the values of the SRR1 register...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/lib: Validate size for vector operations Some parts of the fp/vmx code in sstep.c assume a certain maximum size for the instructions being emulated. However, the size of these operations is determined separately in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fixed the hard lockup that occurred due to vmap stack overflow. Since the commit c118c7303ad5 “powerpc/32: Fixed vmap stack – Do not activate the MMU before reading the task struct”, a vmap stack overflow would result...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv/sriov: Perform a null check on iov before dereferencing iov. Currently, the pointer iov is dereferenced before the null check of iov, which can lead to a null pointer dereference error. This issue is fixed by movi...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axonmsi: The refcount leak in setupmsimsgaddress has been fixed. The function ofgetnextparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/kprobes: Fixed a null pointer reference in archpreparekprobe I found a null pointer reference in archpreparekprobe: echo 'p cmdlineprocshow' kprobeevents echo 'p cmdlineprocshow+16' kprobeevents The kernel attempted to re...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/spufs: Fixed a refcount leak in spufsinitisolatedloader. The function offindnodebypath returns a nodepointer for a remote device, with the refcount incremented. We should use ofnodeput on it after processing. Add...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: PowerPC: Fixed virtaddrvalid for 64-bit Book3E & 32-bit systems. MPE: On 64-bit Book3E, the vmalloc space starts at 0x8000000000000000. Due to the way pa works, pa0x8000000000000000 returns 0. Therefore,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PowerPC architecture: Avoid using nmienter/nmiexit in real-mode interrupts. The nmienter/nmiexit functions access per-CPU variables, which can lead to a kernel crash when these functions are invoked during real-mode interrupt...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/vas: Added a close callback in the vasvmops structure. The VMA address is saved in the VAS window structure when the paste address is mapped. This VMA address is used during migration to unmap the paste address if...