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ubuntucveUbuntu.comUB:CVE-2021-40490
HistorySep 03, 2021 - 12:00 a.m.

CVE-2021-40490

2021-09-0300:00:00
ubuntu.com
ubuntu.com
25

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

13.3%

A race condition was discovered in ext4_write_inline_data_end in
fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-161.169UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-89.100UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-38.42UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-222.255) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1114.121UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1058.61UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1020.21UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1102.107) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1138.152) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-aws-5.11< 5.11.0-1020.21~20.04.2UNKNOWN
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7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

13.3%