VDB
CVE-2025-40217
CVE-2025-40217
PUBLISHED
pidfs: validate extensible ioctls
Reported by linux · Published December 4, 2025
In the Linux kernel, the following vulnerability has been resolved: pidfs: validate extensible ioctls Validate extensible ioctls stricter than we do now.
EPSS 0.17% · 6.6th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux_kernel | linux | 6.18, 6.17.4 |
Risk scores
EPSS Score
0.17%
6.6th percentile
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 5b08bd408534bfb3a7cf5778da5b27d4e4fffe12, 5b08bd408534bfb3a7cf5778da5b27d4e4fffe12 |
| Linux | Linux | 6.11, 0, 6.17.4 |
| linux | linux_kernel | 6.11, 6.11 |
| Linux | Linux | 6.11, 0, 6.17.4 |
Timeline
- Dec 4, 2025 CVE Published
- Dec 5, 2025 EPSS Score (30 in total, the first dated here)
- Mar 29, 2026 Distribution Patch (147 in total, the first dated here)
- Mar 29, 2026 Security Advisory (196 in total, the first dated here)
- Jun 8, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2025-40217
vulnetix vdb fixes CVE-2025-40217Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2025-40217/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart