CVE-2021-47329: scsi: megaraid_sas: Fix resource leak in case of probe failure
Vulnerability summary
CVE-2021-47329 is a medium (CVSS 6.2) Uncontrolled Resource Consumption vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.8% of scored vulnerabilities.
Not severe (CVSS 6.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: megaraid_sas: Fix resource leak in case of probe failure The driver doesn't clean up all the allocated resources properly when scsi_add_host(), megasas_start_aen() function fails during the PCI device probe. Clean up all those resources.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.2MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.2MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST6.2MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.26% 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, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu88 products
- linuxAll versions (No fix recorded) | < 5.4.0-88.99
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1057.60
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 541f90b7c6dffe4cf4a3e8142ac8bd047da94733, < 0c6226601c3e191a44a57d8f9f814b7e5c308959 | ≥ 541f90b7c6dffe4cf4a3e8142ac8bd047da94733, < 0680db6f41920b2c91c7df3cc9cd5968701a6f74 | ≥ 541f90b7c6dffe4cf4a3e8142ac8bd047da94733, < 04b6b9ea80906e3b41ff120b45db31768947cf72 | ≥ 541f90b7c6dffe4cf4a3e8142ac8bd047da94733, < e623f79691c5104317669ab36ec316a90c05062f | ≥ 541f90b7c6dffe4cf4a3e8142ac8bd047da94733, < b5438f48fdd8e1c3f130d32637511efd32038152 | 3.0
- linux_kernel< 5.4.134 | ≥ 5.5, < 5.10.52 | ≥ 5.11, < 5.12.19 | ≥ 5.13, < 5.13.4
Debian1 product
- linux< 5.14.6-1
3 vendors · 91 products