Medium severity5.5NVD Advisory· Published Nov 7, 2019· Updated Jun 17, 2026

CVE-2019-18806

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <5.3.5
- (no CPE)range: <5.3.5
Linux/Linux kerneldescription

Patches

Vulnerability mechanics

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdMailing ListPatchThird Party Advisory
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.5nvdMailing ListVendor Advisory

News mentions

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