Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samsung | Samsung Mobile | 5.0 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-IoExploitThird Party AdvisoryVDB Entry
- http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015Vendor Advisory
- http://www.securityfocus.com/bid/77335Third Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=492Issue TrackingThird Party Advisory
- https://www.exploit-db.com/exploits/38557/ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-IoExploitThird Party AdvisoryVDB Entry
- http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015Vendor Advisory
- http://www.securityfocus.com/bid/77335Third Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=492Issue TrackingThird Party Advisory
- https://www.exploit-db.com/exploits/38557/ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2015-7891?
CVE-2015-7891 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 defi...
How severe is CVE-2015-7891?
CVE-2015-7891 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7891?
Check the references section above for vendor advisories and patch information. Affected products include: Samsung Samsung Mobile.