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ubuntucveUbuntu.comUB:CVE-2022-1184
HistoryAug 29, 2022 - 12:00 a.m.

CVE-2022-1184

2022-08-2900:00:00
ubuntu.com
ubuntu.com
22

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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%

A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the
Linux kernel’s filesystem sub-component. This flaw allows a local attacker
with a user privilege to cause a denial of service.

Bugs

Notes

Author Note
sbeattie not clear if the first two commits are related to this CVE or are some other issue. last three commits are per suse bug; 61a1d87a324a (“ext4: fix check for block being out of directory size”) is a fix for 65f8ea4cd57d (“ext4: check if directory block is within i_size”)
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchlinux-azure< 4.15.0-1168.183~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1168.183~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1114.120UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1033.40UNKNOWN
ubuntu22.10noarchlinux-azure< 5.19.0-1016.17UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.15.0-1153.170~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-gcp< 5.4.0-1110.119UNKNOWN
ubuntu22.04noarchlinux-gcp< 5.15.0-1029.36UNKNOWN
ubuntu22.10noarchlinux-gcp< 5.19.0-1014.15UNKNOWN
ubuntu22.04noarchlinux-gke< 5.15.0-1027.32UNKNOWN
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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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%