5.5

CVE-2022-50032: usb: renesas: Fix refcount leak bug

Analyzed
AliasesUBUNTU-CVE-2022-50032DEBIAN-CVE-2022-50032
Published 18-06-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50032 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 9.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.19%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 6
RHSA-2023:2458SUSE-SU-2025:02264-1SUSE-SU-2025:02308-1SUSE-SU-2025:02320-1SUSE-SU-2025:02321-1SUSE-SU-2025:02322-1

Timeline

  1. 18-06-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: usb: renesas: Fix refcount leak bug In usbhs_rza1_hardware_init(), of_find_node_by_name() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.19% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu112 products
  • linuxAll versions (No fix recorded) | < 5.4.0-132.148 | < 5.15.0-53.59
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1089.97 | < 5.15.0-1023.27
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ aec2927b5944df70bca4bdeea6c4e7c3195dc37a, < 36b18b777dece704b7c2e9e7947ca41a9b0fb009 | ≥ aec2927b5944df70bca4bdeea6c4e7c3195dc37a, < cfa8f707a58d68b2341a9dd0b33cf048f0628b4d | ≥ aec2927b5944df70bca4bdeea6c4e7c3195dc37a, < 9790a5a4f07f38a5add85ec58c44797d3a7c3677 | ≥ aec2927b5944df70bca4bdeea6c4e7c3195dc37a, < fbdbd61a36d887e00114321c6758e359e9573a8e | ≥ aec2927b5944df70bca4bdeea6c4e7c3195dc37a, < 5c4b699193eba51f1bbf462d758d66f545fddd35 | ≥ aec2927b5944df70bca4bdeea6c4e7c3195dc37a, < 9d6d5303c39b8bc182475b22f45504106a07f086 | 4.16
  • linux_kernel< 4.19.256 | ≥ 4.20, < 5.4.211 | ≥ 5.5, < 5.10.138 | ≥ 5.11, < 5.15.63 | ≥ 5.16, < 5.19.4
Debian1 product
  • linux< 6.0.2-1

3 vendors · 115 products

References

9 links