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ubuntuUbuntuUSN-5493-2
HistoryJul 01, 2022 - 12:00 a.m.

Linux kernel (HWE) vulnerability

2022-07-0100:00:00
ubuntu.com
46

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.3%

JSON

Releases

  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • linux-hwe-5.13 - Linux hardware enablement (HWE) kernel
  • linux-hwe-5.4 - Linux hardware enablement (HWE) kernel

Details

It was discovered that the 8 Devices USB2CAN interface implementation in
the Linux kernel did not properly handle certain error conditions, leading
to a double-free. A local attacker could possibly use this to cause a
denial of service (system crash).

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchlinux-image-5.13.0-52-generic-64k< 5.13.0-52.59~20.04.1UNKNOWN
Ubuntu20.04noarchkernel-signed-image-5.13.0-52-generic-di< 5.13.0-52.59~20.04.1UNKNOWN
Ubuntu20.04noarchlinux-image-5.13.0-52-generic< 5.13.0-52.59~20.04.1UNKNOWN
Ubuntu20.04noarchlinux-image-5.13.0-52-generic-dbgsym< 5.13.0-52.59~20.04.1UNKNOWN
Ubuntu20.04noarchlinux-image-5.13.0-52-lowlatency< 5.13.0-52.59~20.04.1UNKNOWN
Ubuntu20.04noarchlinux-image-5.13.0-52-lowlatency-dbgsym< 5.13.0-52.59~20.04.1UNKNOWN
Ubuntu20.04noarchlinux-image-generic-hwe-20.04< 5.13.0.52.59~20.04.31UNKNOWN
Ubuntu20.04noarchlinux-cloud-tools-generic-hwe-20.04< 5.13.0.52.59~20.04.31UNKNOWN
Ubuntu20.04noarchlinux-cloud-tools-lowlatency-hwe-20.04< 5.13.0.52.59~20.04.31UNKNOWN
Ubuntu20.04noarchlinux-cloud-tools-virtual-hwe-20.04< 5.13.0.52.59~20.04.31UNKNOWN
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1-10 of 1881

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2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.3%

JSON
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