CVE-2022-50155

mtd: parsers: ofpart: Fix refcount leak in bcm4908_partitions_fw_offset

MEDIUM
5.5
CVSS Score
Published: June 18, 2025 at 11:03 AM UTC
Updated: June 17, 2026 at 05:22 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: mtd: parsers: ofpart: Fix refcount leak in bcm4908_partitions_fw_offset of_find_node_by_path() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

Affected

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

5.13 ≤ v < 5.15.615.13 ≤ v < 5.18.185.13 ≤ v < 5.19.25.13 ≤ v < 6.05.16 ≤ v < 5.18.185.19 ≤ v < 5.19.25.13bb17230c61a6424b622e92006ec52ba23aa5a967
Vendor states this is fixed in 01bc3840d943cf725dea6ca13e11ffda82bad49a (fixed)
Vendor states this is fixed in 3193c3a3f4fca65cb06d9d48d07fb96bc1f5b2bd (fixed)
Vendor states this is fixed in 762475464982b15014f364ec0cf2a843407f5af1 (fixed)
Vendor states this is fixed in e607879b0da18c451de5e91daf239cc2f2f8ff2d (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.61 (unaffected)
Vendor states this is fixed in 5.18.18 (unaffected)
Vendor states this is fixed in 5.19.2 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/01bc3840d943cf725dea6ca13e11ffda82bad49a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3193c3a3f4fca65cb06d9d48d07fb96bc1f5b2bd
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/762475464982b15014f364ec0cf2a843407f5af1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e607879b0da18c451de5e91daf239cc2f2f8ff2d

CVSS

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

Quick Info

StatusANALYZED
CWE
NVD-CWE-Other

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