Disclosure summary
A memory leak in the ql_alloc_large_buffers() function in drivers/net/ethernet/qlogic/qla3xxx.c in the Linux kernel before 5.3.5 allows local users to cause a denial of service (memory consumption) by triggering pci_dma_mapping_error() failures, aka CID-1acb8f2a7a9f.
Source-reported weakness categories
CWE-401
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2019-18806
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| linux | linux_kernel | * {"versionEndExcluding":"5.3.5"} |
Original records & references
- NIST NVD record
- CVE Program record
- cdn.kernel.org — Mailing List, Vendor Advisory
- git.kernel.org — Mailing List, Patch, Third Party Advisory
- cdn.kernel.org — Mailing List, Vendor Advisory
- git.kernel.org — Mailing List, Patch, Third Party Advisory
PUBLISHED 2019-11-07T11:15:11-05:00
MODIFIED 2026-10-08T17:17:17-04:00
INGESTED 2026-10-10T20:50:18-04:00