CVE Feed

    Dashboard / CVE / CVE-2021-1968

    CVE-2021-1968

    Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

    Published:Oct 20, 2021
    Last Modified:Nov 21, 2024
    EPS:Oct 20, 2021
    EPSS Score:0.00018
    CVSS Score:6.2

    Affected Products

    Vendor
    Qualcomm
    Product
    Aqt1000
    Vendor
    Qualcomm
    Product
    Aqt1000 Firmware
    Vendor
    Qualcomm
    Product
    Ar8031
    Vendor
    Qualcomm
    Product
    Ar8031 Firmware
    Vendor
    Qualcomm
    Product
    Ar8035
    Vendor
    Qualcomm
    Product
    Ar8035 Firmware
    Vendor
    Qualcomm
    Product
    Csra6620
    Vendor
    Qualcomm
    Product
    Csra6620 Firmware
    Vendor
    Qualcomm
    Product
    Csra6640
    Vendor
    Qualcomm
    Product
    Csra6640 Firmware
    Vendor
    Qualcomm
    Product
    Fsm10055
    Vendor
    Qualcomm
    Product
    Fsm10055 Firmware
    Vendor
    Qualcomm
    Product
    Fsm10056
    Vendor
    Qualcomm
    Product
    Fsm10056 Firmware
    Vendor
    Qualcomm
    Product
    Mdm9150
    Vendor
    Qualcomm
    Product
    Mdm9150 Firmware
    Vendor
    Qualcomm
    Product
    Qca6391
    Vendor
    Qualcomm
    Product
    Qca6391 Firmware
    Vendor
    Qualcomm
    Product
    Qca6420
    Vendor
    Qualcomm
    Product
    Qca6420 Firmware
    Vendor
    Qualcomm
    Product
    Qca6430
    Vendor
    Qualcomm
    Product
    Qca6430 Firmware
    Vendor
    Qualcomm
    Product
    Qca6574
    Vendor
    Qualcomm
    Product
    Qca6574 Firmware
    Vendor
    Qualcomm
    Product
    Qca6574a
    Vendor
    Qualcomm
    Product
    Qca6574a Firmware
    Vendor
    Qualcomm
    Product
    Qca6574au
    Vendor
    Qualcomm
    Product
    Qca6574au Firmware
    Vendor
    Qualcomm
    Product
    Qca6584au
    Vendor
    Qualcomm
    Product
    Qca6584au Firmware
    Vendor
    Qualcomm
    Product
    Qca6595
    Vendor
    Qualcomm
    Product
    Qca6595 Firmware
    Vendor
    Qualcomm
    Product
    Qca6595au
    Vendor
    Qualcomm
    Product
    Qca6595au Firmware
    Vendor
    Qualcomm
    Product
    Qca6696
    Vendor
    Qualcomm
    Product
    Qca6696 Firmware
    Vendor
    Qualcomm
    Product
    Qca8337
    Vendor
    Qualcomm
    Product
    Qca8337 Firmware
    Vendor
    Qualcomm
    Product
    Qcm6125
    Vendor
    Qualcomm
    Product
    Qcm6125 Firmware
    Vendor
    Qualcomm
    Product
    Qcs405
    Vendor
    Qualcomm
    Product
    Qcs405 Firmware
    Vendor
    Qualcomm
    Product
    Qcs410
    Vendor
    Qualcomm
    Product
    Qcs410 Firmware
    Vendor
    Qualcomm
    Product
    Qcs610
    Vendor
    Qualcomm
    Product
    Qcs610 Firmware
    Vendor
    Qualcomm
    Product
    Qcs6125
    Vendor
    Qualcomm
    Product
    Qcs6125 Firmware
    Vendor
    Qualcomm
    Product
    Sa6145p
    Vendor
    Qualcomm
    Product
    Sa6145p Firmware
    Vendor
    Qualcomm
    Product
    Sa6150p
    Vendor
    Qualcomm
    Product
    Sa6150p Firmware
    Vendor
    Qualcomm
    Product
    Sa6155
    Vendor
    Qualcomm
    Product
    Sa6155 Firmware
    Vendor
    Qualcomm
    Product
    Sa6155p
    Vendor
    Qualcomm
    Product
    Sa6155p Firmware
    Vendor
    Qualcomm
    Product
    Sa8145p
    Vendor
    Qualcomm
    Product
    Sa8145p Firmware
    Vendor
    Qualcomm
    Product
    Sa8150p
    Vendor
    Qualcomm
    Product
    Sa8150p Firmware
    Vendor
    Qualcomm
    Product
    Sa8155
    Vendor
    Qualcomm
    Product
    Sa8155 Firmware
    Vendor
    Qualcomm
    Product
    Sa8155p
    Vendor
    Qualcomm
    Product
    Sa8155p Firmware
    Vendor
    Qualcomm
    Product
    Sa8195p
    Vendor
    Qualcomm
    Product
    Sa8195p Firmware
    Vendor
    Qualcomm
    Product
    Sd665
    Vendor
    Qualcomm
    Product
    Sd665 Firmware
    Vendor
    Qualcomm
    Product
    Sd675
    Vendor
    Qualcomm
    Product
    Sd675 Firmware
    Vendor
    Qualcomm
    Product
    Sd678
    Vendor
    Qualcomm
    Product
    Sd678 Firmware
    Vendor
    Qualcomm
    Product
    Sd720g
    Vendor
    Qualcomm
    Product
    Sd720g Firmware
    Vendor
    Qualcomm
    Product
    Sd855
    Vendor
    Qualcomm
    Product
    Sd855 Firmware
    Vendor
    Qualcomm
    Product
    Sd 675
    Vendor
    Qualcomm
    Product
    Sd 675 Firmware
    Vendor
    Qualcomm
    Product
    Sd 8c
    Vendor
    Qualcomm
    Product
    Sd 8c Firmware
    Vendor
    Qualcomm
    Product
    Sd 8cx
    Vendor
    Qualcomm
    Product
    Sd 8cx Firmware
    Vendor
    Qualcomm
    Product
    Sda429w
    Vendor
    Qualcomm
    Product
    Sda429w Firmware
    Vendor
    Qualcomm
    Product
    Sdx55
    Vendor
    Qualcomm
    Product
    Sdx55 Firmware
    Vendor
    Qualcomm
    Product
    Sdx55m
    Vendor
    Qualcomm
    Product
    Sdx55m Firmware
    Vendor
    Qualcomm
    Product
    Sm6250
    Vendor
    Qualcomm
    Product
    Sm6250 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9335
    Vendor
    Qualcomm
    Product
    Wcd9335 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9340
    Vendor
    Qualcomm
    Product
    Wcd9340 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9341
    Vendor
    Qualcomm
    Product
    Wcd9341 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9370
    Vendor
    Qualcomm
    Product
    Wcd9370 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9375
    Vendor
    Qualcomm
    Product
    Wcd9375 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9380
    Vendor
    Qualcomm
    Product
    Wcd9380 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3610
    Vendor
    Qualcomm
    Product
    Wcn3610 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3620
    Vendor
    Qualcomm
    Product
    Wcn3620 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3660b
    Vendor
    Qualcomm
    Product
    Wcn3660b Firmware
    Vendor
    Qualcomm
    Product
    Wcn3950
    Vendor
    Qualcomm
    Product
    Wcn3950 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3980
    Vendor
    Qualcomm
    Product
    Wcn3980 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3988
    Vendor
    Qualcomm
    Product
    Wcn3988 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3991
    Vendor
    Qualcomm
    Product
    Wcn3991 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3998
    Vendor
    Qualcomm
    Product
    Wcn3998 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3999
    Vendor
    Qualcomm
    Product
    Wcn3999 Firmware
    Vendor
    Qualcomm
    Product
    Wsa8810
    Vendor
    Qualcomm
    Product
    Wsa8810 Firmware
    Vendor
    Qualcomm
    Product
    Wsa8815
    Vendor
    Qualcomm
    Product
    Wsa8815 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-20 Improper Input Validation

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-104 Cross Zone Scripting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-109 Object Relational Mapping Injection
    CAPEC-110 SQL Injection through SOAP Parameter Tampering
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-136 LDAP Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-153 Input Data Manipulation
    CAPEC-182 Flash Injection
    CAPEC-209 XSS Using MIME Type Mismatch
    CAPEC-22 Exploiting Trust in Client
    CAPEC-23 File Content Injection
    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-261 Fuzzing for garnering other adjacent user/sensitive data
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-473 Signature Spoof
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-588 DOM-Based XSS
    CAPEC-63 Cross-Site Scripting (XSS)
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-664 Server Side Request Forgery
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-73 User-Controlled Filename
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-81 Web Server Logs Tampering
    CAPEC-83 XPath Injection
    CAPEC-85 AJAX Footprinting
    CAPEC-88 OS Command Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

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    CVE-2026-21374 (CVSS 7.8) — Memory Corruption when processing auxiliary sensor input/output control commands with insufficient buffer size…
    CVE-2026-21373 (CVSS 7.8) — Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.…
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    CVE-2025-47348 (CVSS 7.8) — Memory corruption while processing identity credential operations in the trusted application.…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High