CVE-2015-7891

Description

Race condition in the ioctl implementation in the Samsung Graphics 2D driver (aka /dev/fimg2d) in Samsung devices with Android L(5.0/5.1) allows local users to trigger memory errors by leveraging definition of g2d_lock and g2d_unlock lock macros as no-ops, aka SVE-2015-4598.

Weakness classification

• CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Primary references

• cve@mitre.org — Exploit, Third Party Advisory, VDB Entry
• cve@mitre.org — Vendor Advisory
• cve@mitre.org — Third Party Advisory, VDB Entry
• cve@mitre.org — Issue Tracking, Third Party Advisory
• cve@mitre.org — Exploit, Third Party Advisory, VDB Entry
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
• af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
• af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry