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 macro's multiple evaluations leading to a TOCTOU contention condition, which could lead to a divide-by-zer...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001672)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001672 advisory. A time-of-check to time-of-use issue exists in iouring subsystem's IORINGOPCLOSE operation in the Linux kernel's versions 5.6 - 5.11 inclusive, which allows a local...

GHSA-QMGC-5H2G-MVRW filelock Time-of-Check-Time-of-Use (TOCTOU) Symlink Vulnerability in SoftFileLock

Vulnerability Summary Title: Time-of-Check-Time-of-Use TOCTOU Symlink Vulnerability in SoftFileLock Affected Component: filelock package - SoftFileLock class File: src/filelock/soft.py lines 17-27 CWE: CWE-362, CWE-367, CWE-59 --- Description A TOCTOU race condition vulnerability exists in the...

CVE-2026-20831

Time-of-check time-of-use toctou race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-20809

Time-of-check time-of-use toctou race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally...

CVE-2026-20809

Time-of-check time-of-use toctou race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally...

CVE-2026-20831

Time-of-check time-of-use toctou race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-20816

CVE-2026-20816 is a Windows Installer time-of-check/time-of-use (TOCTOU) race condition that can allow a local user with low privileges to escalate to higher privileges. The connected Nessus entries flag this as affecting Windows Installer and describe the vulnerability as a local privilege escal...

CVE-2026-20809

Time-of-check time-of-use toctou race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally...

Windows Installer Elevation of Privilege Vulnerability

Time-of-check time-of-use toctou race condition in Windows Installer allows an authorized attacker to elevate privileges locally...

Windows Kernel Memory Elevation of Privilege Vulnerability

Time-of-check time-of-use toctou race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally...

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Time-of-check time-of-use toctou race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2025-68789

The CVE-2025-68789 entry describes a Linux kernel hwmon driver issue (ibmpex) in the high/low store callback. The problem is a race condition: ibmpex_high_low_store() retrieves driver data with dev_get_drvdata() and uses it without validation, allowing a use-after-free if the data structure has b...

filelock Time-of-Check-Time-of-Use (TOCTOU) Symlink Vulnerability in SoftFileLock

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virtualenv Has TOCTOU Vulnerabilities in Directory Creation

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MiracleLinux 9 : tomcat-9.0.87-2.el9_5.1 (AXSA:2025-9840:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-9840:01 advisory. tomcat: RCE due to TOCTOU issue in JSP compilation CVE-2024-50379 tomcat: Potential RCE and/or information disclosure and/or information corruption...

PT-2026-2666

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description A time-of-check time-of-use TOCTOU race condition exists in Windows Installer. This condition can be exploited by an authorized attacker to gain elevated privileges locally. The iss...

PT-2026-2681

Name of the Vulnerable Software and Affected Versions Windows Ancillary Function Driver for WinSock affected versions not specified Description A time-of-check time-of-use TOCTOU race condition exists in the Windows Ancillary Function Driver for WinSock. This condition allows a locally authorized...

PT-2026-2660

Name of the Vulnerable Software and Affected Versions Windows Kernel affected versions not specified Description A time-of-check time-of-use TOCTOU race condition exists within the Windows Kernel Memory. This condition can be exploited by an authorized attacker to gain elevated privileges on a...

FreeBSD : virtualenv -- CWE-59: Improper Link Resolution Before File Access ('Link Following') (fd3855b8-efbc-11f0-9e3f-b0416f0c4c67)

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 fd3855b8-efbc-11f0-9e3f-b0416f0c4c67 advisory. https://github.com/pypa/virtualenv/security/advisories/GHSA-597g-3phw-6986 reports: virtualenv is a too...