High severity · published Oct 20, 2021
CVE-2021-30316
Possible out of bound memory access due to improper boundary check while creating HSYNC fence in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon…
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Possible out of bound memory access due to improper boundary check while creating HSYNC fence in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ar8031 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csra6620 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csra6640 Firmware · Qualcomm
All versions, or not specified · source: NVD
FF
Fsm10055 Firmware · Qualcomm
All versions, or not specified · source: NVD
FF
Fsm10056 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Mdm9150 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6174a Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6391 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6564a Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6564au Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6574 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6574a Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30316
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30316
Patch
https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin
More from Ar8031 Firmware
7.8
CVE-2026-21385
Integer Overflow or Wraparound in Graphics
7.8
CVE-2023-33107
Integer Overflow or Wraparound in Graphics Linux
7.8
CVE-2023-33063
Use After Free in DSP Services
7.8
CVE-2022-22071
Qualcomm Multiple Chipsets Use-After-Free Vulnerability
7.8
CVE-2020-11261
Qualcomm Multiple Chipsets Improper Input Validation Vulnerability
