What’s Vulnerable › Vulnerabilities

CVE-2021-47053: crypto: sun8i-ss - Fix memory leak of pad

• 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: 2024-02-28 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of pad It appears there are several failure return paths that don't seem to be free'ing pad. Fix these. Addresses-Coverity: ("Resource leak")

Affected products

• Linux kernel: from 5.10 before 5.10.37; from 5.11 before 5.11.21; from 5.12 before 5.12.4 — fixed in 5.10.37, 5.11.21, 5.12.4

How to fix

Upgrade to a fixed version: Linux kernel 5.10.37, 5.11.21, 5.12.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2c67a9333da9d0a3b87310e0d116b7c9070c7b00
• https://git.kernel.org/stable/c/50274b01ac1689b1a3f6bc4b5b3dbf361a55dd3a
• https://git.kernel.org/stable/c/c633e025bd04f54d7b33331cfcdb71354b08ce59
• https://git.kernel.org/stable/c/d3d702084d125689edb2b9395c707e09b471352e
• https://git.kernel.org/stable/c/2c67a9333da9d0a3b87310e0d116b7c9070c7b00
• https://git.kernel.org/stable/c/50274b01ac1689b1a3f6bc4b5b3dbf361a55dd3a
• https://git.kernel.org/stable/c/c633e025bd04f54d7b33331cfcdb71354b08ce59
• https://git.kernel.org/stable/c/d3d702084d125689edb2b9395c707e09b471352e

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