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.
Metrics
CVSS 3.0 7.0/10
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- 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
Timeline
- Published
- Aug 2, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified