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CVE-2016-8650

Status Candidate

Overview

The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent.

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
Red Hat Security Advisory 2017-0933-01
Posted Apr 12, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0933-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. These updated kernel packages include several security issues and numerous bug fixes. Space precludes documenting all of these bug fixes in this advisory.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2016-8650, CVE-2016-9793, CVE-2017-2618, CVE-2017-2636
MD5 | 92b6c1ead0c3ceb49666ec6193c36f53
Red Hat Security Advisory 2017-0932-01
Posted Apr 12, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0932-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: A race condition flaw was found in the N_HLDC Linux kernel driver when accessing n_hdlc.tbuf list that can lead to double free. A local, unprivileged user able to set the HDLC line discipline on the tty device could use this flaw to increase their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2016-8650, CVE-2016-9793, CVE-2017-2618, CVE-2017-2636, CVE-2017-6074
MD5 | 48accb75669589d0b6dfb8ef97c3255d
Red Hat Security Advisory 2017-0931-01
Posted Apr 12, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0931-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: A race condition flaw was found in the N_HLDC Linux kernel driver when accessing n_hdlc.tbuf list that can lead to double free. A local, unprivileged user able to set the HDLC line discipline on the tty device could use this flaw to increase their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2016-8650, CVE-2016-9793, CVE-2017-2618, CVE-2017-2636
MD5 | 4723f64515a3a4c68c702d9f55239041
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