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ubuntucveUbuntu.comUB:CVE-2019-20812
HistoryJun 03, 2020 - 12:00 a.m.

CVE-2019-20812

2020-06-0300:00:00
ubuntu.com
ubuntu.com
29

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

13.3%

JSON

An issue was discovered in the Linux kernel before 5.4.7. The
prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in
a denial of service (CPU consumption and soft lockup) in a certain failure
case involving TPACKET_V3, aka CID-b43d1f9f7067.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-88.88UNKNOWN
ubuntu19.10noarchlinux< 5.3.0-40.32UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-173.203UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1060.62UNKNOWN
ubuntu19.10noarchlinux-aws< 5.3.0-1011.12UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1061.65) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1101.112UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1060.62~16.04.1UNKNOWN
ubuntu19.10noarchlinux-azure< 5.3.0-1013.14UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1071.76~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
Rows per page:
1-10 of 351

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5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

13.3%

JSON
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