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

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.

Scores

EPSS (exploitation in 30 days)

0.22% · top 87% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

• CWE-401 (opens in a new tab)All about CWE-401 and its CVEs

Affected products

• Linux · Linux

  • affected 12885ecbfe62df4358d452080d3b8feef54ec8cb – < 65fff0a8efcdca8d84ffe3e23057c3b32403482d
  • affected 12885ecbfe62df4358d452080d3b8feef54ec8cb – < 0b4e9fc14973a94ac0520f19b3633493ae13c912
  • affected 12885ecbfe62df4358d452080d3b8feef54ec8cb – < 0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5

• Linux · Linux

  • affected 5.9
  • unaffected < 5.9
  • unaffected 5.10.73 – ≤ 5.10.*
  • unaffected 5.14.12 – ≤ 5.14.*
  • unaffected 5.15 – ≤ *

References (3)

• https://git.kernel.org/stable/c/65fff0a8efcdca8d84ffe3e23057c3b32403482d (opens in a new tab)x_transferred
• https://git.kernel.org/stable/c/0b4e9fc14973a94ac0520f19b3633493ae13c912 (opens in a new tab)x_transferred
• https://git.kernel.org/stable/c/0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5 (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2021-47422](https://trackcve.app/badge/CVE-2021-47422.svg)](https://trackcve.app/cve/CVE-2021-47422)

Record last updated 11 May 2026, 13:54 UTC.