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ubuntucveUbuntu.comUB:CVE-2019-19377
HistoryNov 29, 2019 - 12:00 a.m.

CVE-2019-19377

2019-11-2900:00:00
ubuntu.com
ubuntu.com
14

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

61.4%

JSON

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image,
performing some operations, and unmounting can lead to a use-after-free in
btrfs_queue_work in fs/btrfs/async-thread.c.

Notes

Author Note
tyhicks Exploiting this vulnerability requires a crafted filesystem image to be mounted
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-109.110UNKNOWN
ubuntu19.10noarchlinux< 5.3.0-53.47UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-31.35UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1077.81UNKNOWN
ubuntu19.10noarchlinux-aws< 5.3.0-1019.21UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1011.11UNKNOWN
ubuntu18.04noarchlinux-aws-5.3< 5.3.0-1019.21~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1079.83~16.04.1UNKNOWN
ubuntu19.10noarchlinux-azure< 5.3.0-1022.23UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1012.12UNKNOWN
Rows per page:
1-10 of 391

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CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

61.4%

JSON
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