EUVD-2026-31256

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. In this situation, t...

CVE-2026-45251

CVE-2026-45251 describes a kernel use-after-free vulnerability: a file descriptor can be closed while a thread is blocked in poll(2)/select(2). The blocked thread does not hold a reference to the underlying object, so freeing the object may occur while the thread is still waiting. In some fd type...

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...

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...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: Thermal: Core – Issues related to race conditions during the removal of thermal zones and resumption of operations. Since thermalzonepmcomplete and thermalzonedeviceresume reinitialize the delayed work of the pollqueue for the...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Added missing lock protection when polling. Added missing lock protection in the poll routine when iterating the xarray. Otherwise, even with the RCU read lock held, only the slot of the radix tree is guaranteed to be...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nullblk: fixed handling of poll request timeouts When performing the iouring benchmark on /dev/nullb0, it’s easy for the kernel to crash if poll requests time out, as reported by David. 1 BUG: Kernel NULL pointer dereferencing...

Astra Linux - уязвимость в linux, linux-5.10

There is a use-after-free in iouring in the Linux kernel. The signalfdpoll and binderpoll functions use a waitqueue whose lifetime is the current task. The waitqueue will send a POLLFREE notification to all waiters before it is freed. Unfortunately, the iouring poll does not handle POLFREE. This...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: Check IFFUP earlier in the Tx path. The Xsk Tx operation can be triggered via either sendmsg or poll system calls. Both paths involve a call to the common function xskxmit, which contains two sanity checks. Here’s a...

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 -- 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...

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...

SUSE CVE-2026-43385

In the Linux kernel, the following vulnerability has been resolved: net: Fix rcutasks stall in threaded busypoll I was debugging a NIC driver when I noticed that when I enable threaded busypoll, bpftrace hangs when starting up. dmesg showed: rcutaskswaitgp: rcutasks grace period number 85 since...

SUSE CVE-2026-43448

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: Fix race bug in nvmepollirqdisable In the following scenario, pdev can be disabled between 1 and 3 by 2. This sets pdev-msixenabled = 0. Then, pciirqvector will return MSI-X IRQ15 for 1 whereas return INTx IRQcqvector...

EUVD-2021-34802

WordPress Plugin Survey & Poll 1.5.7.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the wpsap cookie parameter. Attackers can craft SQL payloads in the cookie to extract sensitive database...

CVE-2021-47941

WordPress Plugin Survey & Poll 1.5.7.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the wpsap cookie parameter. Attackers can craft SQL payloads in the cookie to extract sensitive database...

CVE-2021-47941

The CVE-2021-47941 vulnerability affects WordPress Plugin Survey & Poll 1.5.7.3, where an SQL injection is possible via the wp_sap cookie parameter. The issue allows unauthenticated attackers to craft SQL payloads in the cookie to extract sensitive data (usernames, passwords, and other confidenti...

CVE-2021-47941 WordPress Plugin Survey & Poll 1.5.7.3 SQL Injection via sss_params

WordPress Plugin Survey & Poll 1.5.7.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the wpsap cookie parameter. Attackers can craft SQL payloads in the cookie to extract sensitive database...

CVE-2021-47941 WordPress Plugin Survey & Poll 1.5.7.3 SQL Injection via sss_params

WordPress Plugin Survey & Poll 1.5.7.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the wpsap cookie parameter. Attackers can craft SQL payloads in the cookie to extract sensitive database...

CVE-2021-47941

WordPress Plugin Survey & Poll 1.5.7.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the wpsap cookie parameter. Attackers can craft SQL payloads in the cookie to extract sensitive database...