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.

• CWE-362

• http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.htmlExploit, Third Party Advisory, VDB Entry
• http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015Vendor Advisory
• http://www.securityfocus.com/bid/77335Third Party Advisory, VDB Entry
• https://bugs.chromium.org/p/project-zero/issues/detail?id=492Issue Tracking, Third Party Advisory
• https://www.exploit-db.com/exploits/38557/Exploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.htmlExploit, Third Party Advisory, VDB Entry
• http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015Vendor Advisory
• http://www.securityfocus.com/bid/77335Third Party Advisory, VDB Entry
• https://bugs.chromium.org/p/project-zero/issues/detail?id=492Issue Tracking, Third Party Advisory
• https://www.exploit-db.com/exploits/38557/Exploit, Third Party Advisory, VDB Entry

Published

Aug 2, 2017

Last Modified

Jun 17, 2026

Status

Modified

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