CVE-2015-7891: samsung samsung_mobile Race Condition

Vulnerability summary

CVE-2015-7891 is a high (CVSS 7.0) Race Condition vulnerability in samsung samsung_mobile. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 50.9% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 02-08-2017
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.