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Ubuntu.comUB:CVE-2022-47941HistoryDec 23, 2022 - 12:00 a.m.
CVE-2022-47941
2022-12-2300:00:00
ubuntu.com
ubuntu.com
31
cve-2022-47941 linux kernel 5.15-5.19.2
memory leak
ksmbd-tools
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.004 Low
EPSS
Percentile
73.2%
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19
before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain
smb2_handle_negotiate error conditions, aka a memory leak.
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 |
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Linux Kernel ksmbd Memory Exhaustion Denial-of-Service Vulnerability
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7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.004 Low
EPSS
Percentile
73.2%
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