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ubuntucveUbuntu.comUB:CVE-2020-10732
HistoryJun 12, 2020 - 12:00 a.m.

CVE-2020-10732

2020-06-1200:00:00
ubuntu.com
ubuntu.com
28

CVSS2

3.6

Attack Vector

LOCAL

Attack 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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

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

EPSS

0.001

Percentile

19.5%

JSON

A flaw was found in the Linux kernel’s implementation of Userspace core
dumps. This flaw allows an attacker with a local account to crash a trivial
program and exfiltrate private kernel data.

Bugs

Notes

Author Note
sbeattie original report claimed this was introduced in 4206d3aa1978e44f58bfa4e1c9d8d35cbf19c187, but further investigation by Jann Horn makes the case that 91c3dba7dbc1 is where the real problem is introduced.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-115.116UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-40.44UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-186.216UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1080.84UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1018.18UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1075.79UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1111.123UNKNOWN
ubuntu18.04noarchlinux-aws-5.3< 5.3.0-1032.34~18.04.2UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1080.84~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1020.20UNKNOWN
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CVSS2

3.6

Attack Vector

LOCAL

Attack 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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

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

EPSS

0.001

Percentile

19.5%

JSON
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