Medium severity · published Jan 3, 2022
CVE-2021-1918
Improper handling of resource allocation in virtual machines can lead to information exposure in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
6.5
CVSS
0.1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QF
Qca6391 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcm6490 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs6490 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qrb5165 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qrb5165n Firmware · Qualcomm
All versions, or not specified · source: NVD
S5
Sd690 5g Firmware · Qualcomm
All versions, or not specified · source: NVD
SF
Sd750g Firmware · Qualcomm
All versions, or not specified · source: NVD
SF
Sd765 Firmware · Qualcomm
All versions, or not specified · source: NVD
SF
Sd765g Firmware · Qualcomm
All versions, or not specified · source: NVD
SF
Sd768g Firmware · Qualcomm
All versions, or not specified · source: NVD
SF
Sd778g Firmware · Qualcomm
All versions, or not specified · source: NVD
S5
Sd888 5g Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1918
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1918
Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin
More from Qca6391 Firmware
8.6
CVE-2025-21479
Incorrect Authorization in Graphics
8.6
CVE-2025-21480
Incorrect Authorization in Graphics Windows
7.8
CVE-2024-43047
Use After Free in DSP Service
7.8
CVE-2023-33107
Integer Overflow or Wraparound in Graphics Linux
7.8
CVE-2023-33106
Use of Out-of-range Pointer Offset in Graphics