DEBIAN-CVE-2020-27835

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2020-27835
Published: 07 Jan 2021, 18:15
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

07 Jan 2021, 18:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated

Description

A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•linux

    < 5.9.15-1 | < 5.9.15-1 | < 5.9.15-1 | < 5.9.15-1

References (1)