CVE-2015-7891
high
CVSS v3
7.0
CVSS v2
4.4
VIR risk
7.0
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.
Predictions
Exploit likelihood
69%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: cve@mitre.org — http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015
Exploits
Exploit-DB
- EDB-38557 · dos · android
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/
CWEs
CWE-362
Verify integrity in audit chain (admin only). AS-IS.