CVE-2022-50030: scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input
Vulnerability summary
CVE-2022-50030 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 13.2% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 7Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input Malformed user input to debugfs results in buffer overflow crashes. Adapt input string lengths to fit within internal buffers, leaving space for NULL terminators.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% 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.
Ubuntu110 products
- linuxAll versions (No fix recorded) | < 5.4.0-132.148 | < 5.15.0-53.59
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 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≥ bd2cdd5e400f5914bc30d5cfb0a0185cf51e4424, < 927907f1cbb3408cadde637fccfc17bb6b10a87d | ≥ bd2cdd5e400f5914bc30d5cfb0a0185cf51e4424, < c29a4baaad38a332c0ae480cf6d6c5bf75ac1828 | ≥ bd2cdd5e400f5914bc30d5cfb0a0185cf51e4424, < b92506dc51f81741eb26609175ac206c20f06e0a | ≥ bd2cdd5e400f5914bc30d5cfb0a0185cf51e4424, < 2d544e9d19c109dfe34b3dc1253a8b2971abe060 | ≥ bd2cdd5e400f5914bc30d5cfb0a0185cf51e4424, < f8191d40aa612981ce897e66cda6a88db8df17bb | 4.11
- linux_kernel< 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 · 113 products