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.

CVSS v3 4.4 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

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

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1901709	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1901709	Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-01-07 18:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27835

Mitre link : CVE-2020-27835

CVE.ORG link : CVE-2020-27835

JSON object : View

Products Affected

linux

infiniband_hfi1_driver

CWE

CWE-416

Use After Free

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