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ubuntucveUbuntu.comUB:CVE-2021-27365
HistoryMar 07, 2021 - 12:00 a.m.

CVE-2021-27365

2021-03-0700:00:00
ubuntu.com
ubuntu.com
13

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

38.2%

JSON

An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI
data structures do not have appropriate length constraints or checks, and
can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink
message that is associated with iSCSI, and has a length up to the maximum
length of a Netlink message.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux-aws< 5.4.0-1041.43UNKNOWN
ubuntu20.10noarchlinux-aws< 5.8.0-1027.29UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1096.103UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1088.92) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1124.138UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1041.43~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1096.103~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1043.45UNKNOWN
ubuntu20.10noarchlinux-azure< 5.8.0-1026.28UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1110.122~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
Rows per page:
1-10 of 601

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CVE-2021-27365 affecting package kernel 5.10.78.1-1
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

38.2%

JSON
Related for UB:CVE-2021-27365
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