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ubuntucveUbuntu.comUB:CVE-2020-10751
HistoryMay 26, 2020 - 12:00 a.m.

CVE-2020-10751

2020-05-2600:00:00
ubuntu.com
ubuntu.com
30

6.1 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

18.0%

A flaw was found in the Linux kernels SELinux LSM hook implementation
before version 5.7, where it incorrectly assumed that an skb would only
contain a single netlink message. The hook would incorrectly only validate
the first netlink message in the skb and allow or deny the rest of the
messages within the skb with the granted permission without further
processing.

Notes

Author Note
sbeattie SELinux specific, not the default LSM in Ubuntu.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-106.107UNKNOWN
ubuntu19.10noarchlinux< 5.3.0-62.56UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-37.41UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-184.214UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1073.77UNKNOWN
ubuntu19.10noarchlinux-aws< 5.3.0-1030.32UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1015.15UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1073.77) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1109.120UNKNOWN
ubuntu18.04noarchlinux-aws-5.3< 5.3.0-1030.32~18.04.1UNKNOWN
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6.1 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

18.0%