What’s Vulnerable › Vulnerabilities

CVE-2025-39789: crypto: x86/aegis - Add missing error checks

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-11 · updated 2026-10-21

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: x86/aegis - Add missing error checks The skcipher_walk functions can allocate memory and can fail, so checking for errors is necessary.

Affected products

• Linux kernel: from 4.18 before 6.16.4 — fixed in 6.16.4

How to fix

Upgrade to a fixed version: Linux kernel 6.16.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3d9eb180fbe8828cce43bce4c370124685b205c3
• https://git.kernel.org/stable/c/475104178f4d30e749ee4f5473c87f692b93bebb
• https://git.kernel.org/stable/c/74d3b91f1598eedf87a977702f9f55e32698206d
• https://git.kernel.org/stable/c/b4ba650125d21e937f82fcafcd2738fe31209c05

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