CVE Vulnerability

CVE-2020-27835

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.

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

4.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1901709 Issue Tracking Patch
Configurations

Configuration 1

cpe:2.3:a:linux:infiniband_hfi1_driver:*:*:*:*:*:*:*:*
cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc4:*:*:*:*:*:*
cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc3:*:*:*:*:*:*
cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc2:*:*:*:*:*:*
cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc1:*:*:*:*:*:*
cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc5:*:*:*:*:*:*
Information

Published : 2021-01-07 06:15

Updated : 2021-01-14 03:12

NVD link : CVE-2020-27835

Mitre link : CVE-2020-27835

Products Affected

Infiniband Hfi1 Driver

Linux

CWE
CWE-416