CVE-2017-17563: Improper Restriction of Operations within the Bounds of a Memory Buffer

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service host OS crash or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode...

Ubuntu 17.04 : linux, linux-raspi2 vulnerability (USN-3404-1)

A reference count bug was discovered in the Linux kernel ipx protocol stack. A local attacker could exploit this flaw to cause a denial of service or possibly other unspecified problems. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu...

Ubuntu: Security Advisory (USN-3404-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-3404-2 linux-hwe vulnerability

USN-3404-1 fixed a vulnerability in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. A reference count bug was discovered in the Linux kernel ipx protocol stack. A local attacker...

CVE-2017-8925

The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveraging reference count mishandling...

CVE-2017-8925

The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveraging reference count mishandling...

DEBIAN-CVE-2017-8925

The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveraging reference count mishandling...

CVE-2017-8925

The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveraging reference count mishandling...

Open redirect

The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveraging reference count mishandling...

CVE-2017-8925

The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveraging reference count mishandling...

CVE-2017-8925: Improper Resource Shutdown or Release

The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveraging reference count mishandling...

SUSE-SU-2017:0292-1 Security update for dbus-1

This update for dbus-1 to version 1.8.22 fixes one security issue and bugs. The following security issue was fixed: - bsc1003898: Do not treat ActivationFailure message received from root-owned systemd name as a format string. The following upstream changes are included: - Change the default...

MacOS Kernel < 10.12.2 / iOS < 10.2 - Broken Kernel Mach Port Name uref Handling Privileged Po

Exploit for multiple platform in category local exploits / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=959 Proofs of Concept: https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40957.zip When sending and receiving mach messages from userspa...

MacOS Kernel < 10.12.2 / iOS < 10.2 - ipc_port_t Reference Count Leak Due to Incorrect externa

Exploit for multiple platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=930 IOUserClient subclasses which override IOUserClient::externalMethod need to ensure that if they return kIOReturnSuccess they actually take ownership of the machportt...

MacOS Kernel < 10.12.2 / iOS < 10.2 - _kernelrpc_mach_port_insert_right_trap Reference Count L

Exploit for multiple platform in category local exploits / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=941 Proofs of Concept: https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40956.zip The previous ref count overflow bugs were all kinda...

Apple macOS 10.12.2 iOS 10.2 - _kernelrpc_mach_port_insert_right_trap Kernel Reference Count Leak Use-After-Free

Apple macOS 10.12.2 iOS 10.2 - kernelrpcmachportinsertrighttrap Kernel Reference Count Leak Use-After-Free / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=941 Proofs of Concept: https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/40956.zip The...

Apple macOS < 10.12.2 / iOS < 10.2 - '_kernelrpc_mach_port_insert_right_trap' Kernel Reference Count Leak / Use-After-Free

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=941 Proofs of Concept: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/40956.zip The previous ref count overflow bugs were all kinda slow because they were quite deep in kernel code, a lot of mach...

Apple macOS < 10.12.2 / iOS < 10.2 Kernel - ipc_port_t Reference Count Leak Due to Incorrect externalMethod Overrides Use-After-Free

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=926 mach ports are really struct ipcportt's in the kernel; this is a reference-counted object, ipreference and iprelease atomically increment and decrement the 32 bit ioreferences field. Unlike OSObjects, ipreference will allow the...

AppArmor securityfs 4.8 - aa_fs_seq_hash_show Reference Count Leak

AppArmor securityfs 4.8 - aafsseqhashshow Reference Count Leak / There's a reference count leak in aafsseqhashshow that can be used to overflow the reference counter and trigger a kernel use-after-free static int aafsseqhashshowstruct seqfile seq, void v struct aareplacedby r = seq-private; struc...

AppArmor securityfs < 4.8 - 'aa_fs_seq_hash_show' Reference Count Leak

/ There's a reference count leak in aafsseqhashshow that can be used to overflow the reference counter and trigger a kernel use-after-free static int aafsseqhashshowstruct seqfile seq, void v struct aareplacedby r = seq-private; struct aaprofile profile = aagetprofilercu&r-profile; // hash for i ...