CVE-2022-49521: scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp()
Vulnerability summary
CVE-2022-49521 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19% 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
- 26-02-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix resource leak in lpfc_sli4_send_seq_to_ulp() If no handler is found in lpfc_complete_unsol_iocb() to match the rctl of a received frame, the frame is dropped and resources are leaked. Fix by returning resources when discarding an unhandled frame type. Update lpfc_fc_frame_check() handling of NOP basic link service.
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
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% 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.
Ubuntu113 products
- linuxAll versions (No fix recorded) | < 5.15.0-47.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1019.23
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 4f774513f7b3fe96648b8936f60f835e6ceaa88e, < fa1b509d41c5433672f72c0615cf4aefa0611c99 | ≥ 4f774513f7b3fe96648b8936f60f835e6ceaa88e, < 40cf4ea4d2d497f7732c87d350ba5c3f5e8a43a1 | ≥ 4f774513f7b3fe96648b8936f60f835e6ceaa88e, < 08709769ff2fb6c5ffedcda3742700d8ea1618a8 | ≥ 4f774513f7b3fe96648b8936f60f835e6ceaa88e, < 7860d8f8082605b57596aa82d3d438c1fdad9a9e | ≥ 4f774513f7b3fe96648b8936f60f835e6ceaa88e, < 646db1a560f44236b7278b822ca99a1d3b6ea72c | 2.6.31
- linux_kernel< 5.10.121 | ≥ 5.11, < 5.15.46 | ≥ 5.16, < 5.17.14 | ≥ 5.18, < 5.18.3
Debian1 product
- linux< 5.18.5-1
3 vendors · 116 products