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cve[email protected]CVE-2020-36557
HistoryJul 21, 2022 - 4:15 a.m.

CVE-2020-36557

2022-07-2104:15:00
CWE-362
CWE-416
[email protected]
web.nvd.nist.gov
56
12
linux kernel
race condition
use-after-free
cve-2020-36557
nvd

5.1 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.5 Medium

AI Score

Confidence

High

1.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

22.4%

JSON

A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.

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5.1 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.5 Medium

AI Score

Confidence

High

1.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

22.4%

JSON
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