High severity · published Aug 2, 2017
CVE-2015-7891
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…
7.0
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Samsung Mobile · Samsung
5.0; 5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-7891
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-7891
Exploit
http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html
Vendor Advisory
http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015
Third Party Advisory
http://www.securityfocus.com/bid/77335
Issue Tracking
https://bugs.chromium.org/p/project-zero/issues/detail?id=492
Exploit
https://www.exploit-db.com/exploits/38557/
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