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nvd[email protected]NVD:CVE-2020-27835
HistoryJan 07, 2021 - 6:15 p.m.

CVE-2020-27835

2021-01-0718:15:13
CWE-416
[email protected]
web.nvd.nist.gov
6
linux
kernel
use after free
infiniband
hfi1
driver
ioctl
crash
system

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

AI Score

5.6

Confidence

High

EPSS

0

Percentile

5.1%

JSON

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.

Affected configurations

Nvd
Node
linuxinfiniband_hfi1_driverRange≤5.9
OR
linuxinfiniband_hfi1_driverMatch5.10rc1
OR
linuxinfiniband_hfi1_driverMatch5.10rc2
OR
linuxinfiniband_hfi1_driverMatch5.10rc3
OR
linuxinfiniband_hfi1_driverMatch5.10rc4
OR
linuxinfiniband_hfi1_driverMatch5.10rc5
VendorProductVersionCPE
linuxinfiniband_hfi1_driver*cpe:2.3:a:linux:infiniband_hfi1_driver:*:*:*:*:*:*:*:*
linuxinfiniband_hfi1_driver5.10cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc1:*:*:*:*:*:*
linuxinfiniband_hfi1_driver5.10cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc2:*:*:*:*:*:*
linuxinfiniband_hfi1_driver5.10cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc3:*:*:*:*:*:*
linuxinfiniband_hfi1_driver5.10cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc4:*:*:*:*:*:*
linuxinfiniband_hfi1_driver5.10cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc5:*:*:*:*:*:*

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CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

AI Score

5.6

Confidence

High

EPSS

0

Percentile

5.1%

JSON
Related for NVD:CVE-2020-27835
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