FreeBSD 安全漏洞

FreeBSD is a Unix-like operating system developed by the FreeBSD Foundation. There is a security vulnerability in FreeBSD, which stems from the lack of verification that the socket descriptors are within the FDSETSIZE limit, potentially leading to stack corruption. If the target application runs...

FreeBSD : FreeBSD -- Kernel use-after-free via file descriptor syscalls (ee21f41f-54b5-11f1-8d7a-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 ee21f41f-54b5-11f1-8d7a-bc241121aa0a advisory. A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that...

PT-2026-42399

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A use-after-free issue exists where a file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Since the blocked thread does not ho...

FreeBSD 资源管理错误漏洞

FreeBSD is a Unix-like operating system developed by the FreeBSD Foundation. There is a resource management vulnerability in FreeBSD. This vulnerability arises from threads being blocked during poll or select calls when file descriptors are closed. The kernel fails to remove the blocked threads...

CVE-2026-46333: Local Root Privilege Escalation and Credential Disclosure in the Linux Kernel ptrace Path

The Qualys Threat Research Unit TRU has discovered and published the full advisory for CVE-2026-46333, a logic flaw in the Linux kernel's ptracemayaccess function that permits an unprivileged local user to disclose sensitive files and execute arbitrary commands as root on default installations of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rustbinder: Properly handles FDA objects of length zero. A bug has been fixed where an empty FDA fd array object with 0 fds could cause an out-of-bounds error. The previous implementation used skip == 0 to indicate “this is a...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: avoid double fput on failed usercopy If the copy back to userland fails for the FASTRPCIOCTLALLOCDMABUFF ioctl, we should not assume that ‘buf-dmabuf’ is still valid. In fact, dmabuffd calls fdinstall before, there...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in GNU Binutils 2.31. A heap-based buffer overflow in the bfdgetl32 function in libbfd.c allows an attacker to cause a denial of service through a crafted PE file. This vulnerability can be...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in GNU Binutils 2.32. It involves an attempt at excessive memory allocation in the bfdelfslurpversiontables function within elf.c...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Binder: Ensure that fd closures are completed properly. During the processing of BCFREEBUFFER, the BINDERTYPEFDA object cleanup may close one or more file descriptors fd. These close operations are performed using the task work...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: Buffer: Fixed error handling related to files in IIOBUFFERGETFDIOCTL. If we fail to copy the newly created file descriptor to userland, we try to clean it up by returning the ‘fd’ and freeing the ‘ib’. The code uses...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in the GNU Binutils through version 2.31. There is a heap-based buffer overflow in the bfdelf32swapphdrin function in elfcode.h, because the number of program headers is not restricted...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in GNU Binutils 2.32. It is an integer overflow that leads to a segmentation fault in bfddwarf2findnearestline in dwarf2.c, as demonstrated by the nm tool...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in GNU Binutils 2.31. An invalid memory access exists in bfdzalloc in opncls.c. Attackers could exploit this vulnerability to cause a denial of service application crash through a crafted ELF fil...

Exploit for CVE-2026-46333

ptracemaydream CVE-2026-46333 Local privilege escalation e...

FreeBSD Security Advisory - FreeBSD-SA-26:19.file

FreeBSD Security Advisory - A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains...

FreeBSD-SA-26:19.file

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:19.file Security Advisory The FreeBSD Project Topic: Kernel use-after-free via file descriptor syscalls Category: core Module: file Announced: 2026-05-20...

FreeBSD -- Kernel use-after-free via file descriptor syscalls

Problem Description: A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains blocked...

CVE-2026-5804

An improper authentication vulnerability was discovered in the Motorola Factory Test component com.motorola.motocit. The application contained a reference to a writable file descriptor in external storage which could be used by third party apps running on the device to open a TCP server, exposing...

CVE-2026-5804

An improper authentication vulnerability was discovered in the Motorola Factory Test component com.motorola.motocit. The application contained a reference to a writable file descriptor in external storage which could be used by third party apps running on the device to open a TCP server, exposing...