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ubuntucveUbuntu.comUB:CVE-2022-2977
HistorySep 14, 2022 - 12:00 a.m.

CVE-2022-2977

2022-09-1400:00:00
ubuntu.com
ubuntu.com
22

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

4.3 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

0.0004 Low

EPSS

Percentile

5.3%

JSON

A flaw was found in the Linux kernel implementation of proxied virtualized
TPM devices. On a system where virtualized TPM devices are configured (this
is not the default) a local attacker can create a use-after-free and create
a situation where it may be possible to escalate privileges on the system.

Bugs

Notes

Author Note
sbeattie unclear if fb5abce6b2bb (“tpm: use try_get_ops() in tpm-space.c”) is related or a separate issue.
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-117.132UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-35.36UNKNOWN
ubuntu18.04noarchlinux< 4.15.0-189.200UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1137.148UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1078.84UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1009.11UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1078.84~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1137.148~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1083.87UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1008.9UNKNOWN
Rows per page:
1-10 of 551

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2022-09-19 00:00:00

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

4.3 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

0.0004 Low

EPSS

Percentile

5.3%

JSON
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