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...

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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...

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 - 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 - 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 - _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 ...

DEBIAN-CVE-2016-4558

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service use-after-free or possibly have unspecified other impact via a crafted application on 1 a system with more than 32 Gb of memory, related to the program reference...

Linux Kernel (Ubuntu 16.04) - Reference Count Overflow Using BPF Maps

Exploit for linux platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=809 Most things in the kernel use 32-bit reference counters, relying on the fact that the memory constraints of real computers make it impossible to create enough references to...

Linux Kernel (Ubuntu 16.04) - Reference Count Overflow Using BPF Maps

Linux Kernel Ubuntu 16.04 - Reference Count Overflow Using BPF Maps Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=809 Most things in the kernel use 32-bit reference counters, relying on the fact that the memory constraints of real computers make it impossible to create enough...

The Linux kernel mention the right vulnerability analysis and the use of CVE-2 0 1 6-0 7 2 8-a vulnerability warning-the black bar safety net

Security research team Perception Point found a Linux system the kernel exists in a high-risk level of the local privilege escalation 0day vulnerabilities, numbered CVE-2 0 1 6-0 7 2 8 in. There are currently more than 6 6% of Android phones and 1 0 0 0 million Linux PCS and servers are affected ...

[slackware-security] cups

New cups packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, and -current to fix a security issue. Here are the details from the Slackware 14.1 ChangeLog: patches/packages/cups-1.5.4-i486-4slack14.1.txz: Rebuilt. This release fixes a security issue: CWE-911: Improper Update of...

Medium: cups

Issue Overview: A string reference count bug was found in cupsd, causing premature freeing of string objects. An attacker can submit a malicious print job that exploits this flaw to dismantle ACLs protecting privileged operations, allowing a replacement configuration file to be uploaded which in...

SOL16794 - CUPS vulnerabilities CVE-2015-1158 / CVE-2015-1159

CVE-2015-1158 A string reference count bug was found in cupsd, causing premature freeing of string objects. An attacker can submit a malicious print job that exploits this flaw to dismantle ACLs protecting privileged operations, allowing a replacement configuration file to be uploaded, which in...

CUPS 2.0.3 - Multiple Vulnerabilities

CUPS 2.0.3 - Multiple Vulnerabilities Source: http://googleprojectzero.blogspot.se/2015/06/owning-internet-printing-case-study-in.html Abstract Modern exploit mitigations draw attackers into a game of diminishing marginal returns. With each additional mitigation added, a subset of software bugs...