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01 Record

CVE-2021-35090

Possible hypervisor memory corruption due to TOC TOU race condition when updating address mappings in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT,

CriticalPUBLISHEDCNA: qualcomm
CNA base score9.3 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

02 Description

Possible hypervisor memory corruption due to TOC TOU race condition when updating address mappings in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT,

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.11% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 2.0% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-06-14 09:51Z4 YR AGO
Last updated
2024-08-04 00:33Z2 YR AGO
Reserved
2021-06-21
Assigning CNA
qualcomm
Record state
PUBLISHED
Severity
Critical (CVSS 9.3)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase
Data version
5.1
Document digest
862e9bda19ac8523771fe566912018a6bb3956f0ca2b32b5062469f8f371e315

05 Affected products

VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon MobileAQT1000, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCM6490, QCS6490, QRB5165, QRB5165M, QRB5165N, QSM8350, SA8540P, SA9000P, SD 8CX, SD 8cx Gen2, SD690 5G, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD865 5G, SD870, SD888, SD888 5G, SDX55M, SDXR2 5G, SM7250P, SM7315, SM7325P, WCD9340, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3988, WCN3991, WCN3998, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8810, WSA8815, WSA8830, WSA8835—

06 References