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.
References
Link | Resource |
---|---|
http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html | Exploit Third Party Advisory VDB Entry |
http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015 | Vendor Advisory |
http://www.securityfocus.com/bid/77335 | Third Party Advisory VDB Entry |
https://bugs.chromium.org/p/project-zero/issues/detail?id=492 | Issue Tracking Third Party Advisory |
https://www.exploit-db.com/exploits/38557/ | Exploit Third Party Advisory VDB Entry |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2017-08-02T19:00:00
Updated: 2017-08-02T18:57:01
Reserved: 2015-10-22T00:00:00
Link: CVE-2015-7891
JSON object: View
NVD Information
Status : Analyzed
Published: 2017-08-02T19:29:00.553
Modified: 2017-08-04T16:21:27.627
Link: CVE-2015-7891
JSON object: View
Redhat Information
No data.
CWE