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CVE-2021-47513

net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering

MEDIUM
5.5
CVSS Score
Published: May 24, 2024 at 03:09 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: net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering Avoid a memory leak if there is not a CPU port defined. Addresses-Coverity-ID: 1492897 ("Resource leak") Addresses-Coverity-ID: 1492899 ("Resource leak")

Affected

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

Linux Kernel· Linux
95%
v ≥ 5.14.145.14.14 ≤ v < 5.155.15 ≤ v < 5.15.85.15 ≤ v < 5.165.14.145.156b55eadb0b1da827f198364c426ace72c16c49b08d5f7954b7c8de54902a8beda141064a7e2e6ee0
Vendor states this is fixed in 973a0373e88cc19129bd6ef0ec193040535397d9 (fixed)
Vendor states this is fixed in e8b1d7698038e76363859fb47ae0a262080646f5 (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.8 (unaffected)
Vendor states this is fixed in 5.16 (unaffected)

Remediation

No guide yet

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

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/973a0373e88cc19129bd6ef0ec193040535397d9
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e8b1d7698038e76363859fb47ae0a262080646f5

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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