CVE-2019-19076
kernel: memory leak in the nfp_abm_u32_knode_replace() function in drivers/net/ethernet/netronome/nfp/abm/cls.c leads to DoS
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 26, 2019
Updated · June 28, 2026
Description
A flaw was found in the way the NFP4000/NFP6000 Advanced buffer management NIC driver in the Linux kernel handled memory release on error handling. This flaw allows an attacker to cause a denial of service and crash the system.
Statement
This issue is rated as having Low impact because of the low memory conditions needed to trigger this issue.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
To mitigate this issue, prevent module nfp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
CVSS / CWE
CVSS 3.1 · 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-400 · Uncontrolled Resource Consumption