CVE-2021-47415

iwlwifi: mvm: Fix possible NULL dereference

MEDIUM
5.5
CVSS Score
Published: May 21, 2024 at 03:04 PM UTC
Updated: June 17, 2026 at 04:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.14 ≤ v < 5.14.125.14 ≤ v < 5.155.15 rc15.15 rc25.15 rc35.15 rc47b3954a1d69a992a781e71036950f9254f8147f6
Vendor states this is fixed in 24d5f16e407b75bc59d5419b957a9cab423b2681 (fixed)
Vendor states this is fixed in 432d8185e9ffce97e3866ca71c39b0807a456920 (fixed)
Vendor states this is fixed in 5.14 (unaffected)
Vendor states this is fixed in 5.14.12 (unaffected)
Vendor states this is fixed in 5.15 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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