CVE-2022-50732: staging: rtl8192u: Fix use after free in ieee80211_rx()
Vulnerability summary
CVE-2022-50732 is a high (CVSS 8.8) vulnerability in linux. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.5% of scored vulnerabilities.
Not severe (CVSS 8.8, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 24-12-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8192u: Fix use after free in ieee80211_rx() We cannot dereference the "skb" pointer after calling ieee80211_monitor_rx(), because it is a use after free.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.42% 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: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu121 products
- linuxAll versions (No fix recorded) | < 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-69.76
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1033.37
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.4-1
Linux1 product
- linux≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < 9c03db0ec84b7964a11b20706665c99a5fead332 | ≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < fdc62d31d50e4ce5d8f363fcb8299ba0e00ee6fd | ≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < a0df8d44b555ae09729d6533fd4532977563c7b9 | ≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < 288ada16a93aab5aa2ebea8190aafdb35b716854 | ≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < daa8045a991363ccdae5615d170f35aa1135e7a7 | ≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < b0aaec894a909c88117c8bda6c7c9b26cf7c744b | ≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < de174163c0d319ff06d622e79130a0017c8f5a6e | ≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < 73df1172bbcc8d45cd28e3b1a9ca2edb2f9f7ce6 | ≥ 8fc8598e61f6f384f3eaf1d9b09500c12af47b37, < bcc5e2dcf09089b337b76fc1a589f6ff95ca19ac | 2.6.33
3 vendors · 123 products