What’s Vulnerable › Vulnerabilities

CVE-2024-39478: crypto: starfive - Do not free stack buffer

• 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: 2024-07-05 · updated 2026-09-02
• Weakness: CWE-770

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: starfive - Do not free stack buffer RSA text data uses variable length buffer allocated in software stack. Calling kfree on it causes undefined behaviour in subsequent operations.

Affected products

• Linux kernel: from 6.9 before 6.9.5 — fixed in 6.9.5

How to fix

Upgrade to a fixed version: Linux kernel 6.9.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5944de192663f272033501dcd322b008fca72006
• https://git.kernel.org/stable/c/bfd861dadd3a45de257b3d328bf49b64a6f9c5f1
• https://git.kernel.org/stable/c/d7f01649f4eaf1878472d3d3f480ae1e50d98f6c
• https://git.kernel.org/stable/c/5944de192663f272033501dcd322b008fca72006
• https://git.kernel.org/stable/c/d7f01649f4eaf1878472d3d3f480ae1e50d98f6c

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