DEBIAN-CVE-2019-20812

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2019-20812
Published: 03 Jun 2020, 03:15
Last modified:28 Apr 2026, 20:20

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Jun 2020, 03:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:20
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•linux

    < 5.4.8-1 | < 5.4.8-1 | < 5.4.8-1 | < 5.4.8-1

References (1)