CVE-2022-25477

Vulnerability in Realtek RtsPer driver for PCIe Card Reader RtsPer.sys before 10.0.22000.21355 and Realtek RtsUer driver for USB Card Reader RtsUer.sys before 10.0.22000.31274 leaks driver logs that contain addresses of kernel mode objects, weakening KASLR...

Realtek RtsPer driver for PCIe Card Reader and Realtek RtsUer driver for USB Card Reader Security Vulnerabilities

Realtek RtsPer driver for PCIe Card Reader and Realtek RtsUer driver for USB Card Reader are both a card reader driver from Realtek Semiconductor Realtek of China. A security vulnerability exists in Realtek RtsPer driver for PCIe Card Reader and Realtek RtsUer driver for USB Card Reader. An...

The vulnerability of the ubi_attach() function in the UBI driver for Linux operating systems allows a hacker to cause a service failure or exert other effects.

The vulnerability of the ubiattach function in the UBI Unsorted Block Images driver for the Linux operating system is related to a memory leak caused by the lack of releasing the kobj-name variable in the drivers/mtd/ubi/attach.c file. Exploiting this vulnerability can allow an attacker to cause ...

USN-6625-3 linux-raspi, linux-raspi-5.4 vulnerabilities

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service paravirtualized device unavailability. CVE-2023-34324 Zheng Wang discovered...

USN-6625-2 linux-gcp, linux-gcp-5.4 vulnerabilities

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service paravirtualized device unavailability. CVE-2023-34324 Zheng Wang discovered...

CLSA-2023-1701801241 Fix of 8 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-45871 - igb: Limit maximum frame Rx based on MTU - igb: Only sync size of expected frame in ethtool testing - igb: Add support for ethtool private flag to allow use of legacy Rx - igb: Add support for using order 1 pages to receive large frames - igb:...

kernel: cpufreq: governor: Use kobject release() method to free dbs_data

A vulnerability was found in the Linux kernel's cpufreq subsystem. The dbsdata struct, which embeds a kobject, improperly attempts to free the struct using kfree rather than through the proper release method. This issue can lead to a use-after-free scenario, resulting in system instability, memor...

Microsoft Windows Kernel Information Disclosure Vulnerability (CNVD-2020-46569)

Microsoft Windows and Microsoft Windows Server are both products of Microsoft Corporation.Microsoft Windows is an operating system for personal devices.Microsoft Windows Server is a server operating system. Windows Kernel is one of the Windows system kernels. An information disclosure vulnerabili...

The compatibility subsystem for running Linux applications allows Windows Subsystem for Linux (WSL) operating systems to enable unauthorized access to protected information by attackers.

The vulnerability of the compatibility subsystem for running Linux applications in Windows Subsystem for Linux WSL operating systems is related to object handling errors in the kernel. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information through...

Windows Exploitation Tricks: Abusing the User-Mode Debugger

Posted by James Forshaw, Google Project Zero I've recently been adding native user-mode debugger support to NtObjectManager. Whenever I add new functionality I have to do some research and reverse engineering to better understand how it works. In this case I wondered what access you need to debug...

Microsoft Windows Kernel Information Disclosure Vulnerability (CNVD-2019-03922)

Microsoft Windows 10 and others are a series of operating systems released by Microsoft Corporation in the U.S. Windows kernel is one of the Windows system kernels. An information disclosure vulnerability exists in the Microsoft Windows kernel that can be exploited by an attacker to retrieve the...

Microsoft Windows Unnamed Kernel Object Limit Elevation Vulnerability

Microsoft Windows is a series of operating systems released by the American company Microsoft. An elevation of privilege vulnerability exists in Microsoft Windows Unnamed Kernel Object. An attacker can exploit the vulnerability to cause elevation of privilege by defaulting the security descriptor...

CVE-2017-8471

Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an authenticated attacker to run a specially crafted application when the Windows kernel improperly...

Microsoft Silently Fixes Kernel Bug That Led to Chrome Sandbox Bypass

Microsoft appears to have silently fixed a two-year-old bug in in Windows Kernel Object Manager that could have allowed for the bypass of privileges in Google’s Chrome browser. James Forshaw, a researcher with Google’s Project Zero first reported the issue in December 2014. Microsoft responded to...

Microsoft Win32k Information Leakage Vulnerability

Microsoft Windows is a series of operating systems released by the American company Microsoft. An information disclosure vulnerability exists in the Microsoft Windows kernel. An attacker exploits the vulnerability to retrieve the memory address of a kernel object...

The vulnerability of the Windows operating system allows a perpetrator to obtain confidential information about the addresses of kernel objects and bypass the KASLR security mechanisms.

The vulnerability of Windows operating system’s kernel mode drivers is related to the lack of protection for privileged data. Exploiting this vulnerability can allow an attacker, operating locally, to obtain confidential information about kernel object addresses and bypass the KASLR protection...

CVE-2016-0175

The kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allow local users to obtain sensitive information about kernel-object addresses, and consequently...

Apple Mac OSX Kernel - Code Execution Due to Lack of Bounds Checking in AppleUSBPipe::Abort

Apple Mac OSX Kernel - Code Execution Due to Lack of Bounds Checking in AppleUSBPipe::Abort / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=728 External Method 36 of IOUSBInterfaceUserClient is AbortStreamPipe. It takes two scalar inputs and uses the second one as an array ind...

The use of the Linux kernel in Use-After-Free（UAF）vulnerability to mention the right-vulnerability warning-the black bar safety net

Last month broke the CVE-2 0 1 6-0 7 2 8 （local mention the right loopholes so everyone's attention once again focused on the linux kernel security. And CVE-2 0 1 5-3 6 3 6, The CVE-2 0 1 5-7 3 1 2, The CVE-2 0 1 4-2 8 5 1, CVE-2 0 1 6-0 7 2 8 is a Use-After-Free（UAF types of vulnerabilities. We...

CVE-2015-1724

Use-after-free vulnerability in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges...