What’s Vulnerable › Vulnerabilities

CVE-2021-47422: drm/nouveau/kms/nv50-: fix file release memory leak

• 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: 2024-05-21 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/kms/nv50-: fix file release memory leak When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked.

Affected products

• Linux kernel: from 5.9 before 5.10.73; from 5.11 before 5.14.12; 5.15-rc1, 5.15-rc2, 5.15-rc3, 5.15-rc4 — fixed in 5.10.73, 5.14.12

How to fix

Upgrade to a fixed version: Linux kernel 5.10.73, 5.14.12. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5
• https://git.kernel.org/stable/c/0b4e9fc14973a94ac0520f19b3633493ae13c912
• https://git.kernel.org/stable/c/65fff0a8efcdca8d84ffe3e23057c3b32403482d
• https://git.kernel.org/stable/c/0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5
• https://git.kernel.org/stable/c/0b4e9fc14973a94ac0520f19b3633493ae13c912
• https://git.kernel.org/stable/c/65fff0a8efcdca8d84ffe3e23057c3b32403482d

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