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CVE-2019-1999

Status Candidate

Overview

In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-120025196.

Related Files

Ubuntu Security Notice USN-3979-1
Posted May 15, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3979-1 - Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian Ă–sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered that memory previously stored in microarchitectural fill buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091, CVE-2019-11683, CVE-2019-1999, CVE-2019-3874, CVE-2019-3882, CVE-2019-3887, CVE-2019-9500, CVE-2019-9503
MD5 | 2863e76273d8cfeb59a307022e977a20
Android Binder VMA Use-After-Free
Posted Feb 12, 2019
Authored by Jann Horn, Google Security Research

Android binder suffers from a use-after-free vulnerability in VMA via a race between reclaim and munmap.

tags | exploit
advisories | CVE-2019-1999
MD5 | b595de41d1f8f84b4916fab4d16567de
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