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CVE-2017-6346

Status Candidate

Overview

Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.

Related Files

Ubuntu Security Notice USN-3422-2
Posted Sep 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3422-2 - USN-3422-1 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 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-10044, CVE-2016-10200, CVE-2016-7097, CVE-2016-8650, CVE-2016-9083, CVE-2016-9084, CVE-2016-9178, CVE-2016-9191, CVE-2016-9604, CVE-2016-9754, CVE-2017-1000251, CVE-2017-5970, CVE-2017-6214, CVE-2017-6346, CVE-2017-6951, CVE-2017-7187, CVE-2017-7472, CVE-2017-7541
MD5 | aa0d1979692666d02459e80975dec493
Ubuntu Security Notice USN-3422-1
Posted Sep 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3422-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. It was discovered that the asynchronous I/O subsystem of the Linux kernel did not properly set permissions on aio memory mappings in some situations. An attacker could use this to more easily exploit other vulnerabilities. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-10044, CVE-2016-10200, CVE-2016-7097, CVE-2016-8650, CVE-2016-9083, CVE-2016-9084, CVE-2016-9178, CVE-2016-9191, CVE-2016-9604, CVE-2016-9754, CVE-2017-1000251, CVE-2017-5970, CVE-2017-6214, CVE-2017-6346, CVE-2017-6951, CVE-2017-7187, CVE-2017-7472, CVE-2017-7541
MD5 | aa932dae73e3a34aa75e9674d33572f6
Ubuntu Security Notice USN-3361-1
Posted Jul 21, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3361-1 - USN-3358-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Please note that this update changes the Linux HWE kernel to the 4.10 based kernel from Ubuntu 17.04, superseding the 4.8 based HWE kernel from Ubuntu 16.10. Ben Harris discovered that the Linux kernel would strip extended privilege attributes of files when performing a failed unprivileged system call. 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-2015-1350, CVE-2016-10208, CVE-2016-8405, CVE-2016-8636, CVE-2016-9083, CVE-2016-9084, CVE-2016-9191, CVE-2016-9604, CVE-2016-9755, CVE-2017-2583, CVE-2017-2584, CVE-2017-2596, CVE-2017-2618, CVE-2017-2671, CVE-2017-5546, CVE-2017-5549, CVE-2017-5550, CVE-2017-5551, CVE-2017-5576, CVE-2017-5669, CVE-2017-5897, CVE-2017-5970, CVE-2017-6001, CVE-2017-6214, CVE-2017-6345, CVE-2017-6346, CVE-2017-6347, CVE-2017-6348
MD5 | 2a81ab5a406b26495cf15b17d009be23
Ubuntu Security Notice USN-3265-1
Posted Apr 25, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3265-1 - It was discovered that a use-after-free flaw existed in the filesystem encryption subsystem in the Linux kernel. A local attacker could use this to cause a denial of service. Andrey Konovalov discovered an out-of-bounds access in the IPv6 Generic Routing Encapsulation tunneling implementation in the Linux kernel. An attacker could use this to possibly expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-5669, CVE-2017-5897, CVE-2017-5970, CVE-2017-5986, CVE-2017-6214, CVE-2017-6345, CVE-2017-6346, CVE-2017-6347, CVE-2017-6348, CVE-2017-7374
MD5 | 43807cc3f26e96261a3a1e8c9496dd7b
Ubuntu Security Notice USN-3265-2
Posted Apr 25, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3265-2 - USN-3265-1 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 a use-after-free flaw existed in the filesystem encryption subsystem in 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, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-5669, CVE-2017-5897, CVE-2017-5970, CVE-2017-5986, CVE-2017-6214, CVE-2017-6345, CVE-2017-6346, CVE-2017-6347, CVE-2017-6348, CVE-2017-7374
MD5 | 79de1bc5e4243981826245ca0814fd34
Debian Security Advisory 3804-1
Posted Mar 9, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3804-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or have other impacts.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2016-9588, CVE-2017-2636, CVE-2017-5669, CVE-2017-5986, CVE-2017-6214, CVE-2017-6345, CVE-2017-6346, CVE-2017-6348, CVE-2017-6353
MD5 | 1295fa7b9a0ca6ed48c55af8dc82bf48
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