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Ubuntu.comUB:CVE-2022-47942HistoryDec 23, 2022 - 12:00 a.m.
CVE-2022-47942
2022-12-2300:00:00
ubuntu.com
ubuntu.com
28
cve-2022-47942
ksmbd
smb2_query_info_he
set_ntacl_dacl
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.006 Low
EPSS
Percentile
77.9%
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19
before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl,
related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE
command.
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 | < 5.15.0-1024.30.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-fde-5.15 | < 5.15.0-1029.36~20.04.1.1 | 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
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CBL Mariner 2.0 Security Update: kernel (CVE-2022-47942)
2023-03-20 00:00:00
Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel kmsbd multiple vulnerabilities
2023-01-11 00:00:00
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CVE-2022-47942 affecting package kernel for versions less than 5.15.86.1-1
2023-01-17 16:47:16
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2022-12-23 16:15:12
prion
prion
Heap overflow
2022-12-23 16:15:00
debiancve
debiancve
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2022-12-23 16:15:12
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.006 Low
EPSS
Percentile
77.9%
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