CVE-2026-49424 Kernel stack disclosure in Linux compatibility layer

The Linux waitid implementation translates a FreeBSD siginfot struct into a stack-declared Linux siginfot. It did not first zero the stack struct. An unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information...

FreeBSD-kernel -- Kernel stack disclosure in 32-bit compatibility support

Problem Description: The compat32 kevent handler translates a 64-bit kevent struct into a stack- declared 32-bit struct. It did not first zero the stack struct. Impact: An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information...

PT-2026-70018

Name of the Vulnerable Software and Affected Versions FreeBSD affected versions not specified Description The compat32 kevent handler in the Linuxulator compatibility layer fails to zero a stack-declared 32-bit struct when translating a 64-bit kevent struct. This use of an uninitialized variable...

CVE-2019-1010208

IDRIX, Truecrypt Veracrypt, Truecrypt Prior to 1.23-Hotfix-1 Veracrypt, all versions Truecrypt is affected by: Buffer Overflow. The impact is: Minor information disclosure of kernel stack. The component is: Veracrypt NT Driver veracrypt.sys. The attack vector is: Locally executed code, IOCTL...

CVE-2019-1010208: Improper Restriction of Operations within the Bounds of a Memory Buffer

IDRIX, Truecrypt Veracrypt, Truecrypt Prior to 1.23-Hotfix-1 Veracrypt, all versions Truecrypt is affected by: Buffer Overflow. The impact is: Minor information disclosure of kernel stack. The component is: Veracrypt NT Driver veracrypt.sys. The attack vector is: Locally executed code, IOCTL...

FreeBSD-SA-19:10.ufs

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-19:10.ufs Security Advisory The FreeBSD Project Topic: Kernel stack disclosure in UFS/FFS Category: core Module: Kernel Announced: 2019-07-02 Credits: David G...

iOS/macOS 10.13.6 - 'if_ports_used_update_wakeuuid()' 16-byte Uninitialized Kernel Stack Disclosure

/ macOS 10.13.4 introduced the file bsd/net/ifportsused.c, which defines sysctls for inspecting ports, and added the function IOPMCopySleepWakeUUIDKey to the file iokit/Kernel/IOPMrootDomain.cpp. Here's the code of the latter function: extern "C" bool IOPMCopySleepWakeUUIDKeychar buffer, sizet...

iOS / macOS 10.13.6 - if_ports_used_update_wakeuuid() 16-byte Uninitialized Kernel Stack Disclosure

/ macOS 10.13.4 introduced the file bsd/net/ifportsused.c, which defines sysctls for inspecting ports, and added the function IOPMCopySleepWakeUUIDKey to the file iokit/Kernel/IOPMrootDomain.cpp. Here's the code of the latter function: extern "C" bool IOPMCopySleepWakeUUIDKeychar buffer, sizet...

Microsoft Windows - nt!NtQueryInformationWorkerFactory (WorkerFactoryBasicInformation) Kernel Stack

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1214&desc=2 We have discovered that the nt!NtQueryInformationWorkerFactory system call called with the WorkerFactoryBasicInformation 7 information class discloses portions of...

Microsoft Windows - win32k!NtGdiGetTextMetricsW Kernel Stack Memory Disclosure

Microsoft Windows - win32k!NtGdiGetTextMetricsW Kernel Stack Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1180 We have discovered that it is possible to disclose portions of uninitialized kernel stack memory to user-mode applications in Windows 7 other...

FreeBSD : FreeBSD -- Kernel stack disclosure in 4.3BSD compatibility layer (7cad4795-600a-11e6-a6c3-14dae9d210b8)

The implementation of historic stat2 system call does not clear the output struct before copying it out to userland. Impact : An unprivileged user can read a portion of uninitialised kernel stack data, which may contain sensitive information, such as the stack guard, portions of the file cache or...

FreeBSD-SA-16:20.linux

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-16:20.linux Security Advisory The FreeBSD Project Topic: Kernel stack disclosure in Linux compatibility layer Category: core Module: linux4 Announced: 2016-05-3...

FreeBSD -- Kernel stack disclosure in 4.3BSD compatibility layer

Problem Description: The implementation of historic stat2 system call does not clear the output struct before copying it out to userland. Impact: An unprivileged user can read a portion of uninitialised kernel stack data, which may contain sensitive information, such as the stack guard, portions ...

FreeBSD Security Advisory FreeBSD-SA-14:25.setlogin

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-14:25.setlogin Security Advisory The FreeBSD Project Topic: Kernel stack disclosure in setlogin2 / getlogin2 Category: core Module: kernel Announced: 2014-11-04...