5.5

CVE-2022-50033: usb: host: ohci-ppc-of: Fix refcount leak bug

Analyzed
AliasesUBUNTU-CVE-2022-50033DEBIAN-CVE-2022-50033
Published 18-06-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50033 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.6% 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
0.20%
0%100%
Low · 0.00 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 8 · Related 7
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: host: ohci-ppc-of: Fix refcount leak bug In ohci_hcd_ppc_of_probe(), of_find_compatible_node() 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

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

No change 0.00 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) | < 4.15.0-197.208 | < 5.4.0-132.148 | < 5.15.0-53.59
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1143.155 | < 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≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < fe6fe64403710287f0ae61a516954d8a4f7c9e3f | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < ec583e300aee9f152a64911445092d18e1c36729 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < cb5dd65e889163e723df1c2f02288cc527a57785 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 0fc62bbc95319bbd330e3645afc7c286acec9ef8 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 403132881e66db7aa98b55c6655daedd80d407fd | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 40a959d7042bb7711e404ad2318b30e9f92c6b9b | 2.6.29
  • linux_kernel≥ 2.6.29, < 4.9.326 | ≥ 4.10, < 4.14.291 | ≥ 4.15, < 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

11 links
Show all 11 references