Vulnerability Details CVE-2015-7891
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 39.2%
CVSS Severity
CVSS v3 Score 7.0
CVSS v2 Score 4.4
References
- http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html
- http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015
- http://www.securityfocus.com/bid/77335
- https://bugs.chromium.org/p/project-zero/issues/detail?id=492
- https://www.exploit-db.com/exploits/38557/
- http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html
- http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015
- http://www.securityfocus.com/bid/77335
- https://bugs.chromium.org/p/project-zero/issues/detail?id=492
- https://www.exploit-db.com/exploits/38557/
Products affected by CVE-2015-7891
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cpe:2.3:o:samsung:samsung_mobile:5.0
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cpe:2.3:o:samsung:samsung_mobile:5.1