CVE-2015-7891

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Summary

CVECVE-2015-7891
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-08-02 19:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionRace 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.

Risk And Classification

Primary CVSS: v3.0 7 HIGH from [email protected]

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-362 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7HIGHCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary4.4AV:L/AC:M/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:L/AC:M/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Samsung Samsung Mobile 5.0 All All All
Operating System Samsung Samsung Mobile 5.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Samsung Fimg2d FIMG2D_BITBLT_BLIT Ioctl Concurrency Flaw ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
492 - Samsung fimg2d FIMG2D_BITBLT_BLIT ioctl concurrency flaw - project-zero - Monorail af854a3a-2127-422b-91ae-364da2661108 bugs.chromium.org Issue Tracking, Third Party Advisory
Samsung fimg2d - FIMG2D_BITBLT_BLIT ioctl Concurrency Flaw - Android dos Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit, Third Party Advisory, VDB Entry
Samsung Mobile Security Blog af854a3a-2127-422b-91ae-364da2661108 security.samsungmobile.com Vendor Advisory
Samsung Fimg2d CVE-2015-7891 Local Race Condition Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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