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CVE-2022-40540
Buffer copy without checking the size of input in Linux Kernel
High8.4EPSS 0.17%
- Published
- Updated
- Reserved
- Assigned by
- qualcomm
Description
Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| qualcommCNA (assigner) | 3.1 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Weakness
Affected products
- affected SD 8 Gen1 5G
- affected SD888 5G
- affected SW5100
- affected SW5100P
- affected WCD9380
- affected WCD9385
- affected WCN3980
- affected WCN3988
- affected WCN6850
- affected WCN6851
- affected WCN6855
- affected WCN6856
- affected WCN7850
- affected WCN7851
- affected WSA8830
- affected WSA8835
References (3)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-40540)Record last updated .