Ubuntu.comUB:CVE-2022-47939CVE-2022-47939
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
80.7%
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19
before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for
SMB2_TREE_DISCONNECT.
Notes
| Author | Note |
|---|---|
| sbeattie | needs ksmbd-tools installed to enable the service, which is not installed by default. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 22.04 | noarch | linux | < 5.15.0-53.59 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < 5.15.0-1023.27 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws-5.15 | < 5.15.0-1023.27~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure | < 5.15.0-1023.29 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-5.15 | < 5.15.0-1023.29~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-fde | < 5.15.0-1023.29 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-fde-5.15 | < 5.15.0-1023.29~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gcp | < 5.15.0-1022.29 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gcp-5.15 | < 5.15.0-1022.29~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gke | < 5.15.0-1020.25 | UNKNOWN |
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
80.7%