VDB
CVE-2025-39777
CVE-2025-39777
PUBLISHED
crypto: acomp - Fix CFI failure due to type punning
Reported by linux · Published September 11, 2025
In the Linux kernel, the following vulnerability has been resolved: crypto: acomp - Fix CFI failure due to type punning To avoid a crash when control flow integrity is enabled, make the workspace ("stream") free function use a consistent type, and call it through a function pointer that has that same type.
EPSS 0.13% · 2.6th 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 | 6.16.4 |
Risk scores
EPSS Score
0.13%
2.6th percentile
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 42d9f6c774790d290c175e8775ce9f1366438098, 42d9f6c774790d290c175e8775ce9f1366438098 |
| Linux | Linux | 6.16, 0, 6.16.4 |
| linux | linux_kernel | 6.16, 6.16 |
| Linux | Linux | 42d9f6c774790d290c175e8775ce9f1366438098, 42d9f6c774790d290c175e8775ce9f1366438098, 6.16.4 |
Timeline
- Sep 11, 2025 CVE Published
- Sep 12, 2025 EPSS Score (30 in total, the first dated here)
- Nov 26, 2025 CVE Updated
- Apr 22, 2026 Security Advisory (152 in total, the first dated here)
- Jun 8, 2026 Coalition ESS Score
- Nov 2, 2026 Distribution Patch (139 in total, the first dated here)
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