CVE-2018-20449: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading "callback=" lines in a debugfs file.

Affected products

  • Linux Linux Kernel: version 4.14.90 only
  • Netapp Element Software Management Node: affected versions not specified

Published 2019-04-04. Last modified 2026-06-17.