Astra Linux - уязвимость в linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: mm: Move page table sync declarations to linux/pgtable.h During our internal testing, we began observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: Unable to...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989294)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989294 advisory. In the Linux kernel, the following vulnerability has been resolved: MIPS: pgalloc: fix memory leak caused by pgdfree pgd page is freed by generic implementation...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987143)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987143 advisory. In the Linux kernel, the following vulnerability has been resolved: MIPS: pgalloc: fix memory leak caused by pgdfree pgd page is freed by generic implementation...

AZL-67557 CVE-2025-39844 affecting package kernel for versions less than 6.6.112.1-1

In the Linux kernel, the following vulnerability has been resolved: mm: move page table sync declarations to linux/pgtable.h During our internal testing, we started observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: unable t...

UBUNTU-CVE-2025-39845

In the Linux kernel, the following vulnerability has been resolved: x86/mm/64: define ARCHPAGETABLESYNCMASK and archsynckernelmappings Define ARCHPAGETABLESYNCMASK and archsynckernelmappings to ensure page tables are properly synchronized when calling pdpopulatekernel. For 5-level paging,...

mm/ptdump: take the memory hotplug lock inside ptdump_walk_pgd()

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CVE-2025-38681

CVE-2025-38681 affects the Linux kernel mm/ptdump code. The issue arises when memory hotplug modifications race with ptdump_walk_pgd() and intermediate page-table frees, causing the ptdump code to dereference freed memory and potentially crash or corrupt data. The fix moves the memory hotplug loc...

DEBIAN-CVE-2022-49210

In the Linux kernel, the following vulnerability has been resolved: MIPS: pgalloc: fix memory leak caused by pgdfree pgd page is freed by generic implementation pgdfree since commit f9cb654cb550 "asm-generic: pgalloc: provide generic pgdfree", however, there are scenarios that the system uses mor...

UBUNTU-CVE-2022-49210

In the Linux kernel, the following vulnerability has been resolved: MIPS: pgalloc: fix memory leak caused by pgdfree pgd page is freed by generic implementation pgdfree since commit f9cb654cb550 "asm-generic: pgalloc: provide generic pgdfree", however, there are scenarios that the system uses mor...

CVE-2022-49210

In the Linux kernel, the following vulnerability has been resolved: MIPS: pgalloc: fix memory leak caused by pgdfree pgd page is freed by generic implementation pgdfree since commit f9cb654cb550 "asm-generic: pgalloc: provide generic pgdfree", however, there are scenarios that the system uses mor...

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 the Linux kernel that stems from a memory leak caused by the pgdfree function...

CVE-2024-46721

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix possible NULL pointer dereference profile-parent-dentsAAFSPROFDIR could be NULL only if its parent is made from createmissingancestors.. and 'ent-old' is NULL in aareplaceprofiles... In that case, it must return an...

CVE-2024-43899

A NULL pointer dereference vulnerability was found in dcn20getdcccompressioncap function in the dcn20resource.c file in the AMD GPU driver in the Linux Kernel. This issue could allow an attacker to make the system hang when using the mpv media player with specific hardware acceleration options...

SUSE CVE-2021-47450

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...

CVE-2021-47450

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...

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...

GSD-2021-1002164 KVM: arm64: Fix host stage-2 PGD refcount

KVM: arm64: Fix host stage-2 PGD refcount This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15 by commit...

GSD-2021-1002095 KVM: arm64: Fix host stage-2 PGD refcount

KVM: arm64: Fix host stage-2 PGD refcount This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.15 by commit...

UVI-2021-1002095 KVM: arm64: Fix host stage-2 PGD refcount

KVM: arm64: Fix host stage-2 PGD refcount This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.15 by commit...

UVI-2021-1001894 KVM: arm64: Fix host stage-2 PGD refcount

KVM: arm64: Fix host stage-2 PGD refcount This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.15 by commit...