CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

Debian DSA-5251-1 : isc-dhcp - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5251 advisory. Several vulnerabilities have been discovered in the ISC DHCP client, relay and server. CVE-2022-2928 It was discovered that the DHCP server does not correctly...

Unbreakable Enterprise kernel security update

4.14.35-1902.306.2 - rename kABI whitelists to lockedlists Dan Duval Orabug: 31783150 - sched/fair: Fix low cpu usage with high throttling by removing expiration of cpu-local slices Dave Chiluk Orabug: 31350999 CVE-2019-19922 - sched/fair: Fix throttlelist starvation with low CFS quota Phil Auld...

Exploit for CVE-2016-0728

This repository is an offensive tool for Linux kernel exploitation, specifically targeting the CVE-2016-0728 vulnerability. The vulnerability is a REFCOUNT overflow/Use-After-Free in keyrings, which allows for local root exploitation. The repository contains two exploit modules, expboost.c and...

DEBIAN-CVE-2019-11487

The Linux kernel before 5.1-rc5 allows page-refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipefsi.h, kernel/trace/trace.c, mm/gup.c, and...

UBUNTU-CVE-2019-11487

The Linux kernel before 5.1-rc5 allows page-refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipefsi.h, kernel/trace/trace.c, mm/gup.c, and...

PT-2019-2808 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.1-rc5 Description: The issue is related to a reference count overflow in the Linux kernel, specifically with the page- refcount, which can lead to use-after-free issues. This can occur when there is...

OracleVM 3.4 : xen (OVMSA-2018-0039)

The remote OracleVM system is missing necessary patches to address critical security updates : - BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8 - BUILDINFO: xen commit=b68fb6eb2d74ac16bb1e733c5fe5c9d9622b0838 - BUILDINFO: QEMU upstream...

Fedora 27 : xen (2017-5945560816)

another patch related to the XSA-240, CVE-2017-15595 issue x86 PV guests may gain access to internally used page XSA-248 broken x86 shadow mode refcount overflow check XSA-249 improper x86 shadow mode refcount error handling XSA-250 improper bug check in x86 log-dirty handling XSA-251 Note that...

broken x86 shadow mode refcount overflow check

ISSUE DESCRIPTION Pages being used to run x86 guests in shadow mode are reference counted to track their uses. Unfortunately the overflow check when trying to obtain a new reference used a mask one bit wider than the reference count actually is, rendering the entire check ineffective. IMPACT A...

Linux Kernel REFCOUNT Overflow / Use-After-Free

Exploit Title: Linux kernel REFCOUNT overflow/Use-After-Free in keyrings Date: 19/1/2016 Exploit Author: Perception Point Team CVE : CVE-2016-0728 / CVE-2016-0728 local root exploit modified by Federico Bento to read kernel symbols from /proc/kallsyms props to grsecurity/PaX for preventing this i...

Linux Kernel 4.4.1 - REFCOUNT Overflow Use-After-Free in Keyrings Local Privilege Escalation (1)

Linux Kernel 4.4.1 - REFCOUNT Overflow Use-After-Free in Keyrings Local Privilege Escalation 1 / Exploit Title: Linux kernel REFCOUNT overflow/Use-After-Free in keyrings Date: 19/1/2016 Exploit Author: Perception Point Team CVE : CVE-2016-0728 / / $ gcc cve20160728.c -o cve20160728 -lkeyutils -Wa...

Linux Kernel 4.4.1 - REFCOUNT Overflow Use-After-Free in Keyrings Local Privilege Escalation (2)

/ Exploit Title: Linux kernel REFCOUNT overflow/Use-After-Free in keyrings Date: 19/1/2016 Exploit Author: Perception Point Team CVE : CVE-2016-0728 / / CVE-2016-0728 local root exploit modified by Federico Bento to read kernel symbols from /proc/kallsyms props to grsecurity/PaX for preventing th...

Linux Kernel 4.4.1 - REFCOUNT Overflow Use-After-Free in Keyrings Local Privilege Escalation (1)

/ Exploit Title: Linux kernel REFCOUNT overflow/Use-After-Free in keyrings Date: 19/1/2016 Exploit Author: Perception Point Team CVE : CVE-2016-0728 / / $ gcc cve20160728.c -o cve20160728 -lkeyutils -Wall / / $ ./cve2016072 PPKEY / / EDB-Note: More information...

MS11-083 Denial Of Service

!/bin/sh cat winnuke2011.c include include include include include include include include include include include int port; int active = 0; pthreadmutext mutexactive; void sendpacketsvoid ptr; int mainint argc, char argv pthreadt thread; int iret,lthreads; pidt pid; printf"+ MS11-083 DoS/PoC...

Microsoft Windows - TCPIP Stack Reference Counter Integer Overflow (MS11-083)

Microsoft Windows - TCPIP Stack Reference Counter Integer Overflow MS11-083 // source: https://www.securityfocus.com/bid/50517/info Microsoft Windows is prone to a remote integer-overflow vulnerability that affects the TCP/IP stack. An attacker can exploit this issue to execute arbitrary code wit...