CVE-2019-20812

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CVSS 3.1

5.5 medium

EPSS

<1%p37

Published

Jun 3, 2020 (Jun 3, 2020)

Modified

Jun 17, 2026

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.

Vendors: linux
Products: linux kernel
Weakness: CWE-400
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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