Details of VAR-202110-0155

ID

VAR-202110-0155

CVE

CVE-2021-25475

TITLE

Samsung Vision DSP Kernel Diver Privilege Elevation Vulnerability

Trust: 0.6

sources: CNVD: CNVD-2023-73945

DESCRIPTION

A possible heap-based buffer overflow vulnerability in DSP kernel driver prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution. Samsung Vision DSP Kernel Diver is a DSP kernel driver for Samsung mobile devices. Samsung Vision DSP Kernel Diver has an elevation of privilege vulnerability. An attacker can exploit this vulnerability to execute arbitrary code

Trust: 1.53

sources: NVD: CVE-2021-25475 // CNVD: CNVD-2023-73945 // VULMON: CVE-2021-25475

IOT TAXONOMY

category:

['IoT']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2023-73945

AFFECTED PRODUCTS

vendor:	google	model:	android	scope:	eq	version:	10.0	Trust: 1.0
vendor:	google	model:	android	scope:	eq	version:	11.0	Trust: 1.0
vendor:	samsung	model:	mobile devices q	scope:	eq	version:	980	Trust: 0.6
vendor:	samsung	model:	mobile devices q	scope:	eq	version:	9830	Trust: 0.6
vendor:	samsung	model:	mobile devices q	scope:	eq	version:	2100	Trust: 0.6
vendor:	samsung	model:	mobile devices r	scope:	eq	version:	980	Trust: 0.6
vendor:	samsung	model:	mobile devices r	scope:	eq	version:	2100	Trust: 0.6

sources: CNVD: CNVD-2023-73945 // NVD: CVE-2021-25475

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-25475
value:	MEDIUM
Trust: 1.0
mobile.security@samsung.com:	CVE-2021-25475
value:	LOW
Trust: 1.0
CNVD:	CNVD-2023-73945
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202110-331
value:	MEDIUM
Trust: 0.6
VULMON:	CVE-2021-25475
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-25475
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
CNVD:	CNVD-2023-73945
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2021-25475
baseSeverity:	MEDIUM
baseScore:	6.7
vectorString:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.8
impactScore:	5.9
version:	3.1
Trust: 1.0
mobile.security@samsung.com:	CVE-2021-25475
baseSeverity:	LOW
baseScore:	3.9
vectorString:	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
attackVector:	LOCAL
attackComplexity:	HIGH
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	0.5
impactScore:	3.4
version:	3.1
Trust: 1.0

sources: CNVD: CNVD-2023-73945 // VULMON: CVE-2021-25475 // CNNVD: CNNVD-202110-331 // NVD: CVE-2021-25475 // NVD: CVE-2021-25475

PROBLEMTYPE DATA

problemtype:	CWE-122	Trust: 1.0
problemtype:	CWE-787	Trust: 1.0

sources: NVD: CVE-2021-25475

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202110-331

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202110-331

PATCH

title:	Patch for Samsung Vision DSP Kernel Diver Privilege Elevation Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/355126	Trust: 0.6
title:	Samsung SMR Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=165707	Trust: 0.6

sources: CNVD: CNVD-2023-73945 // CNNVD: CNNVD-202110-331

EXTERNAL IDS

db:	NVD	id:	CVE-2021-25475	Trust: 2.3
db:	CNVD	id:	CNVD-2023-73945	Trust: 0.6
db:	CNNVD	id:	CNNVD-202110-331	Trust: 0.6
db:	VULMON	id:	CVE-2021-25475	Trust: 0.1

sources: CNVD: CNVD-2023-73945 // VULMON: CVE-2021-25475 // CNNVD: CNNVD-202110-331 // NVD: CVE-2021-25475

REFERENCES

url:	https://security.samsungmobile.com/securityupdate.smsb?year=2021&month=10	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-25475	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/787.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2023-73945 // VULMON: CVE-2021-25475 // CNNVD: CNNVD-202110-331 // NVD: CVE-2021-25475

SOURCES

db:	CNVD	id:	CNVD-2023-73945
db:	VULMON	id:	CVE-2021-25475
db:	CNNVD	id:	CNNVD-202110-331
db:	NVD	id:	CVE-2021-25475

LAST UPDATE DATE

2024-08-14T15:27:36.581000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2023-73945	date:	2023-10-01T00:00:00
db:	VULMON	id:	CVE-2021-25475	date:	2021-10-13T00:00:00
db:	CNNVD	id:	CNNVD-202110-331	date:	2021-10-14T00:00:00
db:	NVD	id:	CVE-2021-25475	date:	2021-10-13T14:16:50.333

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2023-73945	date:	2022-10-11T00:00:00
db:	VULMON	id:	CVE-2021-25475	date:	2021-10-06T00:00:00
db:	CNNVD	id:	CNNVD-202110-331	date:	2021-10-06T00:00:00
db:	NVD	id:	CVE-2021-25475	date:	2021-10-06T18:15:08.963