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ubuntucveUbuntu.comUB:CVE-2021-3743
HistoryAug 25, 2021 - 12:00 a.m.

CVE-2021-3743

2021-08-2500:00:00
ubuntu.com
ubuntu.com
22
vulnerability
qualcomm
linux kernel
oob memory read
system crash
kernel information leak
system availability
unix

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0

Percentile

9.8%

JSON

An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC
router protocol in the Linux kernel. A missing sanity check allows a local
attacker to gain access to out-of-bounds memory, leading to a system crash
or a leak of internal kernel information. The highest threat from this
vulnerability is to system availability.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-162.170UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-90.101UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-38.42UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1115.122UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1059.62UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1020.21UNKNOWN
ubuntu20.04noarchlinux-aws-5.11< 5.11.0-1020.21~20.04.2UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1059.62~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1115.122~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1063.66UNKNOWN
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CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0

Percentile

9.8%

JSON
Related for UB:CVE-2021-3743
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