PT-2017-7292 · Google · Android

Published 2017-08-02 · Updated 2017-08-04 · CVE-2015-7891

Positive Technologies (AI Summary)

CVSS v2.0

4.4

Medium

Base vector

AV:L/AC:M/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Samsung devices with Android L (5.0/5.1)

Description A race condition exists in the ioctl implementation of the Samsung Graphics 2D driver, also known as /dev/fimg2d. This issue allows local users to cause memory errors by taking advantage of the definition of g2d lock and g2d unlock lock macros as no-ops.

Recommendations For Samsung devices with Android L (5.0/5.1), at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2015-7891

Affected Products

Android

References · 6

• 🔥 https://exploit-db.com/exploits/38557 · Exploit
• 🔥 http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2015-7891 · Security Note
• http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015 · Vendor Advisory
• https://bugs.chromium.org/p/project-zero/issues/detail?id=492 · Note
• http://securityfocus.com/bid/77335 · Note