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CVE-2019-20812

nvd nist
Published: Jun 3, 2020Modified: Nov 21, 2024

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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.

Affected (1)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Linux Kernel
Before 5.4.7

Related CWEs

CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (10)

Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Release NotesVendor Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.