FreeBSD : FreeBSD -- TOCTOU race in POSIX shared memory large page configuration (ef63188f-a0ff-11f1-ae1f-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the ef63188f-a0ff-11f1-ae1f-bc241121aa0a advisory. The FIOSSHMLPGCNF ioctl2 operation configures the page size for a largepage shared memory object. This ...

CVE-2022-2590-analysis

CVE-2022-2590, Dirty COW limitato a shmem versione del kernel Linux: Linux/x86 6.0.0-rc1 commit 37887783b3fef877bf34b8992c9199864da4afcb Introduzione: questa vulnerabilità consente all'attaccante di scrivere contenuto arbitrario in una pagina di memoria condivisa di sola lettura, facendo soddisfa...

FreeBSD -- TOCTOU race in POSIX shared memory large page configuration

Problem Description: The FIOSSHMLPGCNF ioctl2 operation configures the page size for a largepage shared memory object. This is intended to be used immediately after creating the object, before any memory is allocated for the object. The handler checked whether a page size had already been...

PT-2026-81937

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A race condition exists in the FIOSSHMLPGCNF ioctl2 operation used to configure the page size for a largepage shared memory object. The handler fails to hold the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Ensure that objs is not NULL in virtiogpuarrayputfree. If virtiogpuobjectshmeminit fails e.g., due to fault injection, as happened in the bug report by syzbot, virtiogpuarrayputfree might be called with objs being NUL...

CVE-2026-74584

A flaw was found in the Linux kernel's RDMA/bnxtre component. A local attacker with access to the RDMA device could exploit this vulnerability due to a failure to zero out a shared memory page before exposing it to userspace. This could lead to information disclosure, allowing the attacker to rea...

CVE-2026-74451

A flaw was found in the drm/panthor component of the Linux kernel. The ifacefwtocpuaddr function, responsible for validating firmware interface structure sizes, does not adequately check if the firmware-provided Microcontroller Unit MCU virtual address fits entirely within the shared memory...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-102102)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102102 advisory. In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is...

CVE-2026-49427

Pages belonging to largepage shared memory objects were not explicitly wired. When sendfile2 transmitted such an object with the SFNOCACHE flag, it freed the underlying pages after transmission even though existing mappings still referred to them. An unprivileged local user can abuse the bug to...

EUVD-2026-62254

Pages belonging to largepage shared memory objects were not explicitly wired. When sendfile2 transmitted such an object with the SFNOCACHE flag, it freed the underlying pages after transmission even though existing mappings still referred to them. An unprivileged local user can abuse the bug to...

CVE-2026-49427 posixshm: largepage shared memory objects not explicitly wired

Pages belonging to largepage shared memory objects were not explicitly wired. When sendfile2 transmitted such an object with the SFNOCACHE flag, it freed the underlying pages after transmission even though existing mappings still referred to them. An unprivileged local user can abuse the bug to...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100708)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100708 advisory. In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shmnattch updates shmdestroyorphaned walks the shm idr und...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099932)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099932 advisory. In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shmnattch updates shmdestroyorphaned walks the shm idr und...

SUSE CVE-2026-74451

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: validate firmware interface structure sizes ifacefwtocpuaddr only checks that the firmware-provided MCU virtual address points inside the shared section. The returned pointer is later used as a full firmware interfac...

UBUNTU-CVE-2026-74451

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: validate firmware interface structure sizes ifacefwtocpuaddr only checks that the firmware-provided MCU virtual address points inside the shared section. The returned pointer is later used as a full firmware interfac...

The vulnerability in the implementation of shared memory objects on FreeBSD’s largepage kernel allows attackers to increase their privileges.

The vulnerability of the implementation of shared memory objects in FreeBSD’s large-page cores relates to the use of memory after it has been freed. Exploiting this vulnerability can allow an attacker to enhance their privileges...

The vulnerability in the implementation of shared memory objects on FreeBSD’s largepage kernel allows attackers to increase their privileges.

The vulnerability of the implementation of shared memory objects in FreeBSD’s large-page cores is related to insufficient checking of input data. Exploiting this vulnerability can allow an attacker to enhance their privileges...

CVE-2026-64566

A flaw was found in the Linux kernel's iptfs module, which handles network packet processing. When copying shared packet fragments, a critical flag indicating shared memory is not correctly propagated. This can lead to memory corruption within the kernel, potentially causing the system to crash a...

NPM: Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size

NPM: Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size vulnerability discovered by ? in WordPress Npm electron versions 39.8.10...

CVE-2026-70598 Electron: Off-screen rendering trusts GPU-supplied geometry over shared-memory size

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.10, 40.9.0, 41.2.1, and 42.0.0-beta.3, offscreen rendering frame data received from the GPU process was not fully validated by the main process. A compromised GPU process could...