CVE-2021-47450

CVE-2021-47450 affects the Linux kernel KVM arm64 when running in protected mode. The issue was in the host stage-2 page-table (PGD) refcount: the KVM page-table library refcounts concatenated stage-2 PGD pages individually, but in EL2 the host stage-2 PGD could be a single high-order compound pa...

CVE-2021-47450 KVM: arm64: Fix host stage-2 PGD refcount

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

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. An attacker exploits the vulnerability to cause page table corruption...

CVE-2024-35802

A flaw was found in the Linux kernel. Incorrect position-dependent variable references in the startup code may lead to a crash...

CVE-2024-35802

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

SUSE 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...

CVE-2024-27007

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: change srcfolio after ensuring it's unpinned in UFFDIOMOVE Commit d7a08838ab74 "mm: userfaultfd: fix unexpected change to srcfolio when UFFDIOMOVE fails" moved the srcfolio-mapping, index changing to after clearing t...

CVE-2024-27007

The CVE-2024-27007 issue affects the Linux kernel’s userfaultfd handling, specifically the UFFDIO_MOVE path. The root cause described across connected docs is a change to the src_folio (mapping/index) after clearing the page tables and ensuring it is not pinned, introduced by a commit intended to...

SUSE CVE-2024-26670

In the Linux kernel, the following vulnerability has been resolved: arm64: entry: fix ARM64WORKAROUNDSPECULATIVEUNPRIVLOAD Currently the ARM64WORKAROUNDSPECULATIVEUNPRIVLOAD workaround isn't quite right, as it is supposed to be applied after the last explicit memory access, but is immediately...

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...

OESA-2024-1353 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...

OESA-2024-1357 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...

OESA-2024-1356 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...

PT-2024-18889 · Qualcomm · Qualcomm

Name of the Vulnerable Software and Affected Versions: Qualcomm affected versions not specified Description: The issue is related to memory corruption that occurs when there is a failed unmap operation in the GPU. This can lead to a use-after-free UAF condition in the client if a dangling page...

UBUNTU-CVE-2023-52607

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtablecacheadd kasprintf returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity...

SUSE CVE-2021-47034

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix pte update for kernel memory on radix When adding a PTE a ptesync is needed to order the update of the PTE with subsequent accesses otherwise a spurious fault may be raised. radixsetpteat does not do this for...

CVE-2023-52481

In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Add Cortex-A520 speculative unprivileged load workaround Implement the workaround for ARM Cortex-A520 erratum 2966298. On an affected Cortex-A520 core, a speculatively executed unprivileged load might leak data fro...

CVE-2021-47035

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Remove WO permissions on second-level paging entries When the first level page table is used for IOVA translation, it only supports Read-Only and Read-Write permissions. The Write-Only permission is not supported as t...

AZL-59471 CVE-2023-52481 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Add Cortex-A520 speculative unprivileged load workaround Implement the workaround for ARM Cortex-A520 erratum 2966298. On an affected Cortex-A520 core, a speculatively executed unprivileged load might leak data fro...

CVE-2023-52484

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: Fix soft lockup triggered by armsmmumminvalidaterange When running an SVA case, the following soft lockup is triggered: -------------------------------------------------------------------- watchdog: BUG: soft...