CVE-2022-50153: usb: host: Fix refcount leak in ehci_hcd_ppc_of_probe
Vulnerability summary
CVE-2022-50153 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.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 9 · Related 7Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: usb: host: Fix refcount leak in ehci_hcd_ppc_of_probe of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu111 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, < b9c4a480cb0ada07154debf681454cbb55e30b59 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 038453b17fe30ea38f0f3c916e2ae2b7f8cef84e | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 8cbc3870ff356366842af3228dd8e7bc278e5edd | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 585d22a5624ef2b540c337665c72fea8cd33db50 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < c0a4b454486b23bb4d94ce49f490830ecc354040 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 8e51a512c1079109bec4c80915e647692d583e79 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < 3a50c917c67dd0bc39c14de4a8b75a1d50fdce66 | ≥ 796bcae7361c28cf825780f6f1aac9dd3411394e, < b5c5b13cb45e2c88181308186b0001992cb41954 | 2.6.29
- linux_kernel≥ 2.6.29, < 4.14.291 | ≥ 4.15, < 4.19.256 | ≥ 4.20, < 5.4.211 | ≥ 5.5, < 5.10.137 | ≥ 5.11, < 5.15.61 | ≥ 5.16, < 5.18.18 | ≥ 5.19, < 5.19.2
Debian1 product
- linux< 6.0.2-1
3 vendors · 114 products