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CVE-2015-7890

Status Candidate

Overview

Multiple buffer overflows in the esa_write function in /dev/seirenin the Exynos Seiren Audio driver, as used in Samsung S6 Edge, allow local users to cause a denial of service (memory corruption) via a large (1) buffer or (2) size parameter.

Related Files

Samsung Seiren Kernel Driver Buffer Overflow
Posted Oct 28, 2015
Authored by Google Security Research, Ian Beer

The Exynos Seiren Audio driver has a device endpoint (/dev/seiren) that is accessible by either the system user or the audio group (such as the mediaserver). It was found that the write() implementation for this driver contains a buffer overflow vulnerability that overflows a static global buffer.

tags | advisory, overflow
systems | linux
advisories | CVE-2015-7890
SHA-256 | faf34e337128765e7e7cd244e5054952422e46472fdd20baad4de151245624d7
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