CVE-2022-50294: wifi: libertas: fix memory leak in lbs_init_adapter()
Vulnerability summary
CVE-2022-50294 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% 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 5 · Related 5Timeline
- 15-09-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix memory leak in lbs_init_adapter() When kfifo_alloc() failed in lbs_init_adapter(), cmd buffer is not released. Add free memory to processing error path.
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
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.16% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu121 products
- linuxAll versions (No fix recorded) | < 5.4.0-152.169 | < 5.15.0-75.82
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1104.112 | < 5.15.0-1038.43
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3, < 4c102ad59bfa66c0f6662af64fa3b9007b02c20f | ≥ 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3, < 98e0ff6980c89239d9e5d3da90d791c2383dc23a | ≥ 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3, < 23b34e08de5c2380414c9d3c33e8235094bcccae | ≥ 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3, < 9c8f50c7433bdfba1588831c413136ecc3f29f99 | ≥ 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3, < 037f84c0bfae5c436c651d0e804264e2648010ec | ≥ 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3, < 653d13a73e498d0bb6aeaf689aaa960defa7878b | ≥ 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3, < d46c33f667b05c22bc5c5b69aa730349c4b6fe31 | ≥ 7919b89c8276d657976d4d4d6b7cb58ea1aa08c3, < 16a03958618fb91bb1bc7077cf3211055162cc2f | 2.6.26
- linux_kernel≥ 2.6.26, < 4.14.308 | ≥ 4.15, < 4.19.276 | ≥ 4.20, < 5.4.235 | ≥ 5.5, < 5.10.173 | ≥ 5.11, < 5.15.99 | ≥ 5.16, < 6.1.16 | ≥ 6.2, < 6.2.3
Debian1 product
- linux< 6.1.20-1
3 vendors · 124 products