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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1acb8f2a7a9f10543868ddd737e37424d5c36cf4 patch mailing list third party advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.5 vendor advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2019-18806?
CVE-2019-18806 has been scored as a medium severity vulnerability.
How to fix CVE-2019-18806?
To fix CVE-2019-18806, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-18806 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-18806 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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