VULNERABILITY INTELLIGENCE

CVE-2019-20812

CVSS score5.5 MEDIUM
EPSS probability0.44%
CISA KEVNot currently listed
Published2020-06-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.

Weakness classification

  • nvd@nist.gov: CWE-400

Primary references