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ubuntucveUbuntu.comUB:CVE-2021-3428
HistoryMar 15, 2021 - 12:00 a.m.

CVE-2021-3428

2021-03-1500:00:00
ubuntu.com
ubuntu.com
40
linux kernel
denial of service
ext4 filesystem
integer overflow
local attacker
system crash
availability threat

CVSS2

4.9

Attack Vector

LOCAL

Attack 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

CVSS3

5.5

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

EPSS

0

Percentile

5.1%

JSON

A flaw was found in the Linux kernel. A denial of service problem is
identified if an extent tree is corrupted in a crafted ext4 filesystem in
fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow,
A local attacker with a special user privilege may cause a system crash
problem which can lead to an availability threat.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-144.148UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-90.101UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-239.273UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1103.110UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1059.62UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1117.123UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1155.170UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1059.62~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1103.110~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1063.66UNKNOWN
Rows per page:
1-10 of 401

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debian 2
ibm 1
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Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5137-2)
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2021-05-18 05:58:02
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CVSS2

4.9

Attack Vector

LOCAL

Attack 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

CVSS3

5.5

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

EPSS

0

Percentile

5.1%

JSON
Related for UB:CVE-2021-3428
cvelist1prion1debiancve1nvd1cve1redhatcve1veracode1oraclelinux2nessus30openvas26ubuntu6osv8cloudfoundry1debian2ibm1suse4redhat2