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ubuntucveUbuntu.comUB:CVE-2019-20934
HistoryNov 28, 2020 - 12:00 a.m.

CVE-2019-20934

2020-11-2800:00:00
ubuntu.com
ubuntu.com
22

5.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

COMPLETE

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

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

12.7%

An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems,
the Linux fair scheduler has a use-after-free in show_numa_stats() because
NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-60.67UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-165.193UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1047.49UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1095.106UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1047.49~16.04.1UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1056.61UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.15.0-1041.43UNKNOWN
ubuntu18.04noarchlinux-gke-4.15< 4.15.0-1041.43UNKNOWN
ubuntu18.04noarchlinux-gke-5.0< 5.0.0-1020.20~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.15.0-60.67~16.04.1UNKNOWN
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5.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

COMPLETE

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

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

12.7%