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ubuntucveUbuntu.comUB:CVE-2022-2588
HistoryAug 09, 2022 - 12:00 a.m.

CVE-2022-2588

2022-08-0900:00:00
ubuntu.com
ubuntu.com
39

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

7.2 High

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

19.5%

It was discovered that the cls_route filter implementation in the Linux
kernel would not remove an old filter from the hashtable before freeing it
if its handle had the value 0.

Notes

Author Note
sbeattie ZDI-CAN-17440
eslerm CWE-416
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-124.140UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-46.49UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-191.242) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux< 4.4.0-231.265) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux< 4.15.0-191.202UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1139.150UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1083.90UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1017.21UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1111.117) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1147.162) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
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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

7.2 High

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

19.5%

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