Race condition

2017-08-0219:29:00

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6.8 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

26.8%

JSON

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.

CPENameOperatorVersion
samsung_mobileeq5.1
samsung_mobileeq5.0

CPE	Name	Operator	Version
	samsung_mobile	eq	5.1
	samsung_mobile	eq	5.0

References

packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html

security.samsungmobile.com/smrupdate.html

www.securityfocus.com/bid/77335

bugs.chromium.org/p/project-zero/issues/detail?id=492

www.exploit-db.com/exploits/38557/