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osvGoogleOSV:ALSA-2022:8100
HistoryNov 15, 2022 - 12:00 a.m.

Low: swtpm security and bug fix update

2022-11-1500:00:00
Google
osv.dev
10
swtpm
security update
bug fix
libtpms
qemu vms
cve-2022-23645
almalinux release notes

CVSS2

2.1

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

CVSS3

6.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0

Percentile

14.2%

SWTPM is a TPM emulator built on libtpms providing TPM functionality for QEMU VMs.

Security Fix(es):

  • swtpm: Unchecked header size indicator against expected size (CVE-2022-23645)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

CVSS2

2.1

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

CVSS3

6.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0

Percentile

14.2%