powerpc/pseries/iommu: LPAR panics during boot up with a frozen PE

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PT-2024-23977 · Google · Android

Name of the Vulnerable Software and Affected Versions: Google Android affected versions not specified Description: In the MMU AllocLevel function of mmu common.c, there is a possible arbitrary code execution due to an integer overflow. This could lead to local escalation of privilege in the kerne...

DEBIAN-CVE-2023-20584

IOMMU improperly handles certain special address ranges with invalid device table entries DTEs, which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity...

DEBIAN-CVE-2022-48796

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix potential use-after-free during probe Kasan has reported the following use after free on dev-iommu. when a device probe fails and it is in process of freeing dev-iommu in deviommufree function, a deferredprobeworkfunc...

SUSE CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

UBUNTU-CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

UBUNTU-CVE-2021-47230

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU context when the SMM flag is cleared Immediately reset the MMU context when the vCPU's SMM flag is cleared so that the SMM flag in the MMU role is always synchronized with the vCPU's flag. If R...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from not immediately resetting the MMU environment when the SMM flag is cleared...

AZL-67755 CVE-2024-35951 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fix the error path in panfrostmmumapfaultaddr Subject: PATCH drm/panfrost: Fix the error path in panfrostmmumapfaultaddr If some the pages or sgt allocation failed, we shouldn't release the pages ref we got earlier,...

SUSE CVE-2024-27406

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...

CVE-2024-27406

A vulnerability was found and fixed in the Linux kernel's TESTIOVITER configuration option. This fix corrected the dependancy on the Memory Management Unit MMU. Previously, enabling this option without proper dependency checks could lead to kernel misbehavior or crashes. Mitigation Mitigation for...

UBUNTU-CVE-2024-35843

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Use device rbtree in iopf reporting path The existing I/O page fault handler currently locates the PCI device by calling pcigetdomainbusandslot. This function searches the list of all PCI devices until the desired...

UBUNTU-CVE-2024-27079

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix NULL domain on device release In the kdump kernel, the IOMMU operates in deferredattach mode. In this mode, info-domain may not yet be assigned by the time the releasedevice function is called. It leads to the...

DEBIAN-CVE-2024-26990

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status Check kvmmmupageadneedwriteprotect when deciding whether to write-protect or clear D-bits on TDP MMU SPTEs, so that the TDP MMU accounts for any...

kernel: iommufd: IOMMUFD_DESTROY should not increase the refcount

A race condition was identified in the iommufd subsystem of the Linux kernel where the IOMMUFDDESTROY command incorrectly increments an object’s reference count without holding the expected exclusive synchronization destroyrwsem. This violates the assumption that temporary reference count...

SUSE CVE-2024-26891

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected For those endpoint devices connect to system via hotplug capable ports, users could request a hot reset to the device by flapping device's link through...

DEBIAN-CVE-2024-26891

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected For those endpoint devices connect to system via hotplug capable ports, users could request a hot reset to the device by flapping device's link through...

UBUNTU-CVE-2024-26891

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected For those endpoint devices connect to system via hotplug capable ports, users could request a hot reset to the device by flapping device's link through...

OESA-2024-1355 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Don't advance iterator after restart due to yielding After dropping mmulock in the TDP MMU, restart the iterator during tdpiternext and do not...