EUVD-2025-201583

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix use-after-free race in fault handler When a page fault occurs in a secret memory file created with memfdsecret2, the kernel will allocate a new folio for it, mark the underlying page as not-present in the direct...

DEBIAN-CVE-2025-40274

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Remove bindings on memslot deletion when gmem is dying When unbinding a memslot from a guestmemfd instance, remove the bindings even if the guestmemfd file is dying, i.e. even if its file refcount has gone to zer...

DEBIAN-CVE-2025-40272

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix use-after-free race in fault handler When a page fault occurs in a secret memory file created with memfdsecret2, the kernel will allocate a new folio for it, mark the underlying page as not-present in the direct...

UBUNTU-CVE-2025-40272

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix use-after-free race in fault handler When a page fault occurs in a secret memory file created with memfdsecret2, the kernel will allocate a new folio for it, mark the underlying page as not-present in the direct...

UBUNTU-CVE-2025-40274

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Remove bindings on memslot deletion when gmem is dying When unbinding a memslot from a guestmemfd instance, remove the bindings even if the guestmemfd file is dying, i.e. even if its file refcount has gone to zer...

CVE-2025-40274 KVM: guest_memfd: Remove bindings on memslot deletion when gmem is dying

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Remove bindings on memslot deletion when gmem is dying When unbinding a memslot from a guestmemfd instance, remove the bindings even if the guestmemfd file is dying, i.e. even if its file refcount has gone to zer...

CVE-2025-40274

CVE-2025-40274 (Linux kernel KVM guest_memfd) : The issue arises when unbinding a memslot from a guest_memfd instance if the guest_memfd is dying (file refcount zero). Bindings are not protected against this lifecycle, so a memslot freed before the file is fully released can cause a write to free...

CVE-2025-40274

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Remove bindings on memslot deletion when gmem is dying When unbinding a memslot from a guestmemfd instance, remove the bindings even if the guestmemfd file is dying, i.e. even if its file refcount has gone to zer...

CVE-2025-40272 mm/secretmem: fix use-after-free race in fault handler

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix use-after-free race in fault handler When a page fault occurs in a secret memory file created with memfdsecret2, the kernel will allocate a new folio for it, mark the underlying page as not-present in the direct...

CVE-2025-40272

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix use-after-free race in fault handler When a page fault occurs in a secret memory file created with memfdsecret2, the kernel will allocate a new folio for it, mark the underlying page as not-present in the direct...

kernel: fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass

In the Linux kernel, the following vulnerability has been resolved: fs: export anoninodemakesecureinode and fix secretmem LSM bypass Export anoninodemakesecureinode to allow KVM guestmemfd to create anonymous inodes with proper security context. This replaces the current pattern of calling...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: fs: export anoninodemakesecureinode and fix the issue with secretmem LSM bypass. The anoninodemakesecureinode function was exported to allow KVM guestmemfd to create anonymous inodes with proper security context. This replaces...

SUSE CVE-2025-38396

In the Linux kernel, the following vulnerability has been resolved: fs: export anoninodemakesecureinode and fix secretmem LSM bypass Export anoninodemakesecureinode to allow KVM guestmemfd to create anonymous inodes with proper security context. This replaces the current pattern of calling...

UBUNTU-CVE-2025-38396

In the Linux kernel, the following vulnerability has been resolved: fs: export anoninodemakesecureinode and fix secretmem LSM bypass Export anoninodemakesecureinode to allow KVM guestmemfd to create anonymous inodes with proper security context. This replaces the current pattern of calling...

SUSE CVE-2022-49049

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix panic when growing a memfdsecret When one tries to grow an existing memfdsecret with ftruncate, one gets a panic 1. For example, doing the following reliably induces the panic: fd = memfdsecret; ftruncatefd, 10;...

DEBIAN-CVE-2022-49049

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix panic when growing a memfdsecret When one tries to grow an existing memfdsecret with ftruncate, one gets a panic 1. For example, doing the following reliably induces the panic: fd = memfdsecret; ftruncatefd, 10;...

UBUNTU-CVE-2022-49049

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix panic when growing a memfdsecret When one tries to grow an existing memfdsecret with ftruncate, one gets a panic 1. For example, doing the following reliably induces the panic: fd = memfdsecret; ftruncatefd, 10;...

CVE-2022-49049 mm/secretmem: fix panic when growing a memfd_secret

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix panic when growing a memfdsecret When one tries to grow an existing memfdsecret with ftruncate, one gets a panic 1. For example, doing the following reliably induces the panic: fd = memfdsecret; ftruncatefd, 10;...

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 kernel crash when extending memfdsecret...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: secretmem: Disable memfdsecret if arch cannot set the direct map. The memfdsecret syscall returns -ENOSYS if !cansetdirectmap is true. This occurs, for example, in some arm64 configurations, where marking 4k PTEs in the direct ma...