Ubuntu.comUB:CVE-2023-1193CVE-2023-1193
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.4 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
19.1%
A use-after-free flaw was found in setup_async_work in the KSMBD
implementation of the in-kernel samba server and CIFS in the Linux kernel.
This issue could allow an attacker to crash the system by accessing freed
work.
Bugs
- <https://bugzilla.redhat.com/show_bug.cgi?id=2154177>
- <https://bugzilla.suse.com/show_bug.cgi?id=1208972>
Notes
| Author | Note |
|---|---|
| sbeattie | this affects the KSMBD subsystem, which generally should not be used, userspace samba is the safer choice. marking the introduction of the cifsd/ksmbd config option as the break commit |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 22.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | linux | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws-5.15 | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws-6.5 | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | linux-azure | < any | UNKNOWN |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.4 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
19.1%