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ubuntucveUbuntu.comUB:CVE-2020-10742
HistoryJun 02, 2021 - 12:00 a.m.

CVE-2020-10742

2021-06-0200:00:00
ubuntu.com
ubuntu.com
25

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

10.8%

A flaw was found in the Linux kernel. An index buffer overflow during
Direct IO write leading to the NFS client to crash. In some cases, a reach
out of the index after one memory allocation by kmalloc will cause a kernel
panic. The highest threat from this vulnerability is to data
confidentiality and system availability.

Bugs

Notes

Author Note
sbeattie reproducer in Red Hat bug 1824270.

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

10.8%

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