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Kernel Files

Linux BPF Sign Extension Local Privilege Escalation
Posted Jul 19, 2018
Authored by h00die, Jann Horn, vnik, rlarabee, bleidl, bcoles | Site metasploit.com

Linux kernel versions prior to 4.14.8 utilize the Berkeley Packet Filter (BPF) which contains a vulnerability where it may improperly perform signing for an extension. This can be utilized to escalate privileges. The target system must be compiled with BPF support and must not have kernel.unprivileged_bpf_disabled set to 1. This Metasploit module has been tested successfully on many different kernels.

tags | exploit, kernel
systems | linux
advisories | CVE-2017-16995
MD5 | 4596fc215a7899eb6de8fccca0e92708
Sony Playstation 4 5.05 BPF Double Free
Posted Jul 18, 2018
Authored by Specter, qwertyoruiopz

Sony Playstation 4 version 5.05 BPF double-free kernel exploit whitepaper.

tags | paper, kernel
MD5 | 211837c5b7a80994fc356f4c3f44eb56
Red Hat Security Advisory 2018-2216-01
Posted Jul 17, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2216-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2018-3639
MD5 | d56d27208391fc4c05e5ab7c21479c7e
Microsoft Windows POP/MOV SS Local Privilege Elevation
Posted Jul 13, 2018
Authored by Nick Peterson, can1357, bwatters-r7, Nemanja Mulasmajic | Site metasploit.com

This Metasploit module exploits a vulnerability in a statement in the system programming guide of the Intel 64 and IA-32 architectures software developer's manual being mishandled in various operating system kernels, resulting in unexpected behavior for #DB exceptions that are deferred by MOV SS or POP SS. This Metasploit module will upload the pre-compiled exploit and use it to execute the final payload in order to gain remote code execution.

tags | exploit, remote, kernel, code execution
advisories | CVE-2018-8897
MD5 | b8b99ed8f1e3a142c6687c6ea9be2219
Linux Kernel Local Privilege Escalation
Posted Jul 12, 2018
Authored by Rick Larabee

Linux kernels prior to version 4.13.9 (Ubuntu 16.04/Fedora 27) local privilege escalation exploit.

tags | exploit, kernel, local
systems | linux, fedora, ubuntu
advisories | CVE-2017-16995
MD5 | 337790c3978495619119dc00e3b271c4
Red Hat Security Advisory 2018-2171-01
Posted Jul 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2171-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2018-3639
MD5 | 2efc8b268faae164add22d67a8311bbd
Red Hat Security Advisory 2018-2172-01
Posted Jul 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2172-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-14106, CVE-2018-3639
MD5 | 4765660be418eac5b035c9196d51d027
Red Hat Security Advisory 2018-2164-01
Posted Jul 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2164-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass, denial of service, information leakage, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-10675, CVE-2018-10872, CVE-2018-3639, CVE-2018-3665
MD5 | 9f68a3c259b4d462b49ce148628bd71a
Red Hat Security Advisory 2018-2162-01
Posted Jul 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2162-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2017-13672, CVE-2018-3639, CVE-2018-5683, CVE-2018-7858
MD5 | 07c82da0e66fff158b7df439f93cc21c
Red Hat Security Advisory 2018-2161-01
Posted Jul 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2161-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2018-3639
MD5 | c7df32e60364593044793beca17b61e2
Red Hat Security Advisory 2018-2165-01
Posted Jul 10, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2165-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include an information leakage vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2017-13305, CVE-2018-3665
MD5 | c3f3cd963aa339b5a20d7ef071d2b880
Kernel Live Patch Security Notice LSN-0040-1
Posted Jul 5, 2018
Authored by Benjamin M. Romer

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service (system crash) when mounted. It was discovered that an information leak vulnerability existed in the floppy driver in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux
advisories | CVE-2018-1092, CVE-2018-1093, CVE-2018-3665, CVE-2018-7755
MD5 | 12dc1b657d3a63120fd299195c1684b4
Ubuntu Security Notice USN-3698-2
Posted Jul 3, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3698-2 - USN-3698-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. It was discovered that the nested KVM implementation in the Linux kernel in some situations did not properly prevent second level guests from reading and writing the hardware CR8 register. A local attacker in a guest could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-12154, CVE-2017-12193, CVE-2017-15265, CVE-2018-1130, CVE-2018-3665, CVE-2018-5750, CVE-2018-5803, CVE-2018-6927, CVE-2018-7755, CVE-2018-7757
MD5 | d99c9b1c8afb3fd3cbaf8db904a91c13
Ubuntu Security Notice USN-3697-2
Posted Jul 3, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3697-2 - It was discovered that a null pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Jann Horn discovered that the 32 bit adjtimex syscall implementation for 64 bit Linux kernels did not properly initialize memory returned to user space in some situations. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2018-1130, CVE-2018-11508, CVE-2018-5750, CVE-2018-5803, CVE-2018-6927, CVE-2018-7755, CVE-2018-7757
MD5 | 909cda7a29febac98e75c2d0765c11bb
Ubuntu Security Notice USN-3696-2
Posted Jul 3, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3696-2 - USN-3696-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that an integer overflow existed in the perf subsystem of the Linux kernel. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-13695, CVE-2017-18255, CVE-2017-18257, CVE-2018-1000204, CVE-2018-10021, CVE-2018-10087, CVE-2018-10124, CVE-2018-3665, CVE-2018-5814, CVE-2018-7755
MD5 | 7232f498840627d5ecbea781d6ae2d03
Ubuntu Security Notice USN-3697-1
Posted Jul 3, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3697-1 - It was discovered that a null pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Jann Horn discovered that the 32 bit adjtimex syscall implementation for 64 bit Linux kernels did not properly initialize memory returned to user space in some situations. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2018-1130, CVE-2018-11508, CVE-2018-5750, CVE-2018-5803, CVE-2018-6927, CVE-2018-7755, CVE-2018-7757
MD5 | 54b7a600656fb446c5ec64068acbde8c
Ubuntu Security Notice USN-3698-1
Posted Jul 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3698-1 - It was discovered that the nested KVM implementation in the Linux kernel in some situations did not properly prevent second level guests from reading and writing the hardware CR8 register. A local attacker in a guest could use this to cause a denial of service. Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array implementation in the Linux kernel sometimes did not properly handle adding a new entry. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-12154, CVE-2017-12193, CVE-2017-15265, CVE-2018-1130, CVE-2018-3665, CVE-2018-5750, CVE-2018-5803, CVE-2018-6927, CVE-2018-7755, CVE-2018-7757
MD5 | 79e62f3c9db29224ec902903f92f2bff
Ubuntu Security Notice USN-3696-1
Posted Jul 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3696-1 - It was discovered that an integer overflow existed in the perf subsystem of the Linux kernel. A local attacker could use this to cause a denial of service. Wei Fang discovered an integer overflow in the F2FS filesystem implementation in the Linux kernel. A local attacker could use this to cause a denial of service. It was discovered that an information leak existed in the generic SCSI driver in the Linux kernel. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-13695, CVE-2017-18255, CVE-2017-18257, CVE-2018-1000204, CVE-2018-10021, CVE-2018-10087, CVE-2018-10124, CVE-2018-3665, CVE-2018-5814, CVE-2018-7755
MD5 | 85ebc7f68fdfd1ec62e89e89a7199622
Ubuntu Security Notice USN-3695-1
Posted Jul 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3695-1 - Wen Xu discovered that the ext4 file system implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service. It was discovered that the cdrom driver in the Linux kernel contained an incorrect bounds check. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-1094, CVE-2018-10940, CVE-2018-1095, CVE-2018-11508, CVE-2018-7755
MD5 | 1ab8575ad708cdc9ce2f92f0db75ae9f
Ubuntu Security Notice USN-3695-2
Posted Jul 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3695-2 - USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Wen Xu discovered that the ext4 file system implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-1094, CVE-2018-10940, CVE-2018-1095, CVE-2018-11508, CVE-2018-7755
MD5 | 6208e9e136bfff7fc82ca98b30f85bda
Microsoft Windows Kernel (win32k.sys) Local Denial Of Service
Posted Jul 2, 2018
Authored by Victor Portal Gonzalez

Microsoft Windows Kernel (win32k.sys) suffers from a local denial of service null pointer vulnerability in NtUserConsoleControl.

tags | advisory, denial of service, kernel, local
systems | windows
MD5 | 3fd18ac6710b6c0e6ed7b3cfb9170e55
Red Hat Security Advisory 2018-2001-01
Posted Jun 26, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2001-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2018-3639
MD5 | bc5821b53940d1b888279b61e71fd864
Red Hat Security Advisory 2018-1965-01
Posted Jun 26, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-1965-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2017-11600, CVE-2018-3639
MD5 | 0a627951dd2983c6a29d8a8db3e5f8b3
Red Hat Security Advisory 2018-2003-01
Posted Jun 26, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2003-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2017-11600, CVE-2018-3639
MD5 | 7b7f1730f4d54dc80e02eec13b3a435a
Red Hat Security Advisory 2018-1967-01
Posted Jun 26, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-1967-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2018-3639
MD5 | 8f2def7ba1f6ffde4374f8670824a267
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