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CVE-2025-40221media: pci: mg4b: fix uninitialized iio scan data
- —Not scoredno CVSS score yet
- 0.20%Exploitation in 30 daysEPSS · top 90% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: media: pci: mg4b: fix uninitialized iio scan data Fix potential leak of uninitialized stack data to userspace by ensuring that the `scan` structure is zeroed before use.
Timeline
ID reserved
By Linux
- 8 months later
· 8 months later
Published
- 5 months later
· 5 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.20% · top 90% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 0ab13674a9bd10514486cf1670d71dbd8afec421 – < b7f82da7f86479cb6479a76ebe213ece7c77398f
- affected 0ab13674a9bd10514486cf1670d71dbd8afec421 – < b792eba44494b4e6ab5006013335f9819f303b8b
- affected 0ab13674a9bd10514486cf1670d71dbd8afec421 – < c0d3f6969bb4d72476cfe7ea9263831f1c283704
- affected 6.7
- unaffected < 6.7
- unaffected 6.12.54 – ≤ 6.12.*
- unaffected 6.17.4 – ≤ 6.17.*
- unaffected 6.18 – ≤ *
References
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)
- EUVD EUVD-2025-201182 (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://cveledger.app/cve/CVE-2025-40221)Record last updated .