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.
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by Google Security Research · textdosandroid
https://www.exploit-db.com/exploits/38557
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/77335
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/project-zero/issues/detail?id=492
Exploit, Third Party Advisory, VDB Entry exploit
x_refsource_exploit-db
https://www.exploit-db.com/exploits/38557/
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html
Vendor Advisory x_refsource_confirm
http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015
Scores
CVSS v3
7.0
EPSS
0.0017
EPSS Percentile
38.0%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
Status
published
Products (2)
samsung/samsung_mobile
5.0
samsung/samsung_mobile
5.1
Published
Aug 02, 2017
Tracked Since
Feb 18, 2026