CVE-2021-47279

usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource()

MEDIUM
5.5
CVSS Score
Published: May 21, 2024 at 02:20 PM UTC
Updated: June 17, 2026 at 04:17 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.

Affected

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

5.11 ≤ v < 5.12.115.11 ≤ v < 5.135.13 rc15.13 rc25.13 rc35.13 rc45.13 rc5517c4c44b32372d2fdf4421822e21083c45e89f9
Vendor states this is fixed in 2147684be1ebdaf845783139b9bc4eba3fecd9e4 (fixed)
Vendor states this is fixed in fbf649cd6d64d40c03c5397ecd6b1ae922ba7afc (fixed)
Vendor states this is fixed in 5.11 (unaffected)
Vendor states this is fixed in 5.12.11 (unaffected)
Vendor states this is fixed in 5.13 (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/2147684be1ebdaf845783139b9bc4eba3fecd9e4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fbf649cd6d64d40c03c5397ecd6b1ae922ba7afc

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

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card