High severity · published Jan 3, 2022
CVE-2021-30269
Possible null pointer dereference due to lack of TLB validation for user provided address in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer…
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Possible null pointer dereference due to lack of TLB validation for user provided address in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
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
AF
Ar8035 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
CF
Csrb31024 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
MF
Mdm9205 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca2066 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca4004 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6174a Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30269
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30269
Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/december-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