Apple macOS - 'getrusage' Stack Leak Through struct Padding

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1405 For 64-bit processes, the getrusage syscall handler converts a struct rusage to a struct user64rusage using mungeuser64rusage, then copies the struct user64rusage to userspace: int getrusagestruct proc p, struct getrusagearg...

Apple macOS High Sierra 10.13 - 'ctl_ctloutput-leak' Information Leak

/ ctlctloutput-leak.c Brandon Azad CVE-2017-13868 While looking through the source code of XNU version 4570.1.46, I noticed that the function ctlctloutput in the file bsd/kern/kerncontrol.c does not check the return value of sooptcopyin, which makes it possible to leak the uninitialized contents ...

Apple macOS High Sierra 10.13 - ctl_ctloutput-leak Information Leak

Apple macOS High Sierra 10.13 - ctlctloutput-leak Information Leak / ctlctloutput-leak.c Brandon Azad CVE-2017-13868 While looking through the source code of XNU version 4570.1.46, I noticed that the function ctlctloutput in the file bsd/kern/kerncontrol.c does not check the return value of...

Linux mincore() Kernel Heap Page Disclosure

Linux: mincore discloses uninitialized kernel heap pages I found the following bug with an AFL-based fuzzer: When walkpagerange is used on a VMHUGETLB VMA, callbacks from the mmwalk structure are only invoked for present pages. However, domincore assumes that it will always get callbacks for all...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2017-14991

The sgioctl function in drivers/scsi/sg.c in the Linux kernel before 4.13.4 allows local users to obtain sensitive information from uninitialized kernel heap-memory locations via an SGGETREQUESTTABLE ioctl call for /dev/sg0...

CVE-2017-14991

The sgioctl function in drivers/scsi/sg.c in the Linux kernel before 4.13.4 allows local users to obtain sensitive information from uninitialized kernel heap-memory locations via an SGGETREQUESTTABLE ioctl call for /dev/sg0...

CVE-2017-14991

The sgioctl function in drivers/scsi/sg.c in the Linux kernel before 4.13.4 allows local users to obtain sensitive information from uninitialized kernel heap-memory locations via an SGGETREQUESTTABLE ioctl call for /dev/sg0...

CVE-2016-5854

In a driver in all Qualcomm products with Android for MSM, Firefox OS for MSM, or QRD Android, kernel heap memory can be exposed to userspace...

CVE-2016-5854

CVE-2016-5854 involves a kernel information disclosure in Qualcomm SPCom driver components across Android for MSM, Firefox OS for MSM, and QRD Android. The underlying issue is that kernel heap memory can be exposed to userspace, enabling local information disclosure. Public documents list the aff...

CVE-2016-5854

In a driver in all Qualcomm products with Android for MSM, Firefox OS for MSM, or QRD Android, kernel heap memory can be exposed to userspace...

Apple iOS / MacOS Netagent Kernel Memory Disclosure(CVE-2017-2507)

iOS/MacOS kernel memory disclosure due to lack of bounds checking in netagent socket option handling netagentctlsetopt is the setsockopt handler for netagent control sockets. Options of type NETAGENTOPTIONTYPEREGISTER are handled by netagenthandleregistersetopt. Here's the code: static errnot...

MacOS kernel memory disclosure due to lack of bounds checking in AppleIntelCapriController::getDisplayPipeCapability(CVE-2017-2489)

MacOS kernel memory disclosure due to lack of bounds checking in AppleIntelCapriController::getDisplayPipeCapability Selector 0x710 of IntelFBClientControl ends up in AppleIntelCapriController::getDisplayPipeCapability. This method takes a structure input and output buffer. It reads an attacker...

Apple macOS 10.12.1 / iOS 10.2 - Kernel Userspace Pointer Memory Corruption

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1004 machvoucherextractattrrecipetrap is a mach trap which can be called from any context Here's the code: kernreturnt machvoucherextractattrrecipetrapstruct machvoucherextractattrrecipeargs args ipcvouchert voucher = IVNULL;...

Apple OS X Yosemite - flow_divert-heap-overflow Kernel Panic

Apple OS X Yosemite - flowdivert-heap-overflow Kernel Panic / flowdivert-heap-overflow.c Brandon Azad CVE-2016-1827: Kernel heap overflow in the function flowdiverthandleappmapcreate on OS X and iOS. Exploitation requires root privileges. The vulnerability was patched in OS X El Capitan 10.11.5 a...

Apple OS X Yosemite - 'flow_divert-heap-overflow' Kernel Panic

/ flowdivert-heap-overflow.c Brandon Azad CVE-2016-1827: Kernel heap overflow in the function flowdiverthandleappmapcreate on OS X and iOS. Exploitation requires root privileges. The vulnerability was patched in OS X El Capitan 10.11.5 and iOS 9.3.2. This proof-of-concept triggers a kernel panic ...

SUSE SLES11 Security Update : kernel (SUSE-SU-2016:2976-1)

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. For the PowerPC64 a new 'bigmem' flavor has been added to support big Power machines. FATE319026 The following security bugs were fixed : - CVE-2016-7042: The prockeysshow function in security/keys/proc....

CVE-2016-4998

The IPTSOSETREPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service out-of-bounds read or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted...

CVE-2016-4998

The IPTSOSETREPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service out-of-bounds read or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted...