CVE-2015-7891
23Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 0.7%
from disclosure to weapon0 days
Published on NVDAug 2
1st PoCOct 28
exploitation probability
0.7%top 52% of all CVEs
observed exploitation
nono source reports it
3 public exploit(s)
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.
Affected products
n/a · n/apublic PoCs found — 3✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/38557cve_referencepacketstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.htmlunverifiedcve_referencewww.exploit-db.com/exploits/38557/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.htmlhttps://bugs.chromium.org/p/project-zero/issues/detail?id=492http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015https://www.exploit-db.com/exploits/38557/http://www.securityfocus.com/bid/77335