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01 Record

CVE-2022-40540

Buffer copy without checking the size of input in Linux Kernel

HighPUBLISHEDCNA: qualcomm
CNA base score8.4 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

02 Description

Buffer copy without checking the size of input in Linux Kernel

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
0.16% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 5.8% 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:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

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
2023-03-07 04:43Z3 YR AGO
Last updated
2024-08-03 12:21Z2 YR AGO
Reserved
2022-09-12
Assigning CNA
qualcomm
Record state
PUBLISHED
Severity
High (CVSS 8.4)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
1640728022edf9548a4fa4493f2595879399f994d7d18d835b6a5000c5ca2816

05 Affected products

VendorProductVersionsPlatforms
Qualcomm, Inc.SnapdragonSD 8 Gen1 5G, SD888 5G, SW5100, SW5100P, WCD9380, WCD9385, WCN3980, WCN3988, WCN6850, WCN6851, WCN6855, WCN6856, WCN7850, WCN7851, WSA8830, WSA8835Snapdragon Mobile, Snapdragon Wearables

06 References