CVE-2019-19076

MEDIUM

Linux Kernel <5.3.6 - Memory Corruption

Title source: llm

Description

A memory leak in the nfp_abm_u32_knode_replace() function in drivers/net/ethernet/netronome/nfp/abm/cls.c in the Linux kernel before 5.3.6 allows attackers to cause a denial of service (memory consumption), aka CID-78beef629fd9. NOTE: This has been argued as not a valid vulnerability. The upstream commit 78beef629fd9 was reverted

References (6)

[Release Notes, Vendor Advisory] https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.6

[Patch, Vendor Advisory] https://git.kernel.org/linus/1d1997db870f4058676439ef7014390ba9e24eb2

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/78beef629fd95be4ed853b2d37b832f766bd96ca

View Patch ZIP pw:eip

[Mailing List] https://lore.kernel.org/lkml/20191204103955.63c4d9af%40cakuba.netronome.com/

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20191205-0001/

[Third Party Advisory] https://usn.ubuntu.com/4209-1/

Scores

CVSS v3 5.9

EPSS 0.0233

EPSS Percentile 84.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-401

Status published

Affected Products (4)

linux/linux_kernel < 5.3.6

canonical/ubuntu_linux

canonical/ubuntu_linux

redhat/enterprise_linux

Timeline

Published Nov 18, 2019

Tracked Since Feb 18, 2026