Lucene search

K
ubuntucveUbuntu.comUB:CVE-2019-19447
HistoryDec 08, 2019 - 12:00 a.m.

CVE-2019-19447

2019-12-0800:00:00
ubuntu.com
ubuntu.com
24

7.8 High

CVSS3

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.003 Low

EPSS

Percentile

68.0%

In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image,
performing some operations, and unmounting can lead to a use-after-free in
ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in
fs/ext4/super.c.

Bugs

Notes

Author Note
tyhicks Exploiting this vulnerability requires a crafted filesystem image to be mounted
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
ubuntu16.04noarchlinux-aws< 4.4.0-1101.112UNKNOWN
ubuntu18.04noarchlinux-aws-5.0< 5.0.0-1025.28UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1060.62~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure< 5.0.0-1032.34UNKNOWN
ubuntu19.10noarchlinux-azure< 5.3.0-1013.14UNKNOWN
Rows per page:
1-10 of 361

7.8 High

CVSS3

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.003 Low

EPSS

Percentile

68.0%