CVE-2022-50162: wifi: libertas: Fix possible refcount leak in if_usb_probe()
Vulnerability summary
CVE-2022-50162 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 7 · Related 7Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: Fix possible refcount leak in if_usb_probe() usb_get_dev will be called before lbs_get_firmware_async which means that usb_put_dev need to be called when lbs_get_firmware_async fails.
CVSS metrics
4 scores · 3 sources · 2 versions- 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≥ ce84bb69f50e6f6cfeabc9b965365290f4184417, < 61b2ec97487399c58ae2e34f250f4884e671799b | ≥ ce84bb69f50e6f6cfeabc9b965365290f4184417, < 4c8e2f9ce1428e44cb103035eeced7aeb6b80980 | ≥ ce84bb69f50e6f6cfeabc9b965365290f4184417, < 878e7f39803a9ab5bb9766956a7a04351d4bf99d | ≥ ce84bb69f50e6f6cfeabc9b965365290f4184417, < 97e5d3e46a3a2100253a9717a4df98d68aeb10b8 | ≥ ce84bb69f50e6f6cfeabc9b965365290f4184417, < d7365590d15bbd9008f424ef043d1778ffe29f42 | ≥ ce84bb69f50e6f6cfeabc9b965365290f4184417, < 00d0c4e59c0f8ad1f86874bb64b220394e687028 | ≥ ce84bb69f50e6f6cfeabc9b965365290f4184417, < 5b92f406a5199b6b01dc664b9226d824ae2835f0 | ≥ ce84bb69f50e6f6cfeabc9b965365290f4184417, < 6fd57e1d120bf13d4dc6c200a7cf914e6347a316 | 3.5
- linux_kernel≥ 3.5, < 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