What’s Vulnerable › Vulnerabilities

CVE-2021-47415: iwlwifi: mvm: Fix possible NULL dereference

• 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-476

Description

In the Linux kernel, the following vulnerability has been resolved: iwlwifi: mvm: Fix possible NULL dereference In __iwl_mvm_remove_time_event() check that 'te_data->vif' is NULL before dereferencing it.

Affected products

• Linux kernel: from 5.14 before 5.14.12; 5.15-rc1, 5.15-rc2, 5.15-rc3, 5.15-rc4 — fixed in 5.14.12

How to fix

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

References

• https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681
• https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920
• https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681
• https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920

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