Ubuntu.comUB:CVE-2023-38432CVE-2023-38432
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
0.001 Low
EPSS
Percentile
45.9%
An issue was discovered in the Linux kernel before 6.3.10.
fs/smb/server/smb2misc.c in ksmbd does not validate the relationship
between the command payload size and the RFC1002 length specification,
leading to an out-of-bounds read.
Bugs
Notes
| Author | Note |
|---|---|
| rodrigo-zaiden | needs ksmbd-tools installed to enable the service, which is not installed by default. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | linux-hwe-5.15 | < 5.15.0-86.96~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-kvm | < 5.15.0-1044.49 | UNKNOWN |
| ubuntu | 23.04 | noarch | linux-kvm | < 6.2.0-1016.16 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws-5.15 | < 5.15.0-1047.52~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure | < 5.15.0-1049.56 | UNKNOWN |
| ubuntu | 23.04 | noarch | linux-azure | < 6.2.0-1016.16 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-5.15 | < 5.15.0-1049.56~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-fde | < 5.15.0-1049.56 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-fde-5.15 | < 5.15.0-1049.56~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-bluefield | < 5.15.0-1027.29 | UNKNOWN |
References
cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.10
git.kernel.org/linus/2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d (6.4)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d
launchpad.net/bugs/cve/CVE-2023-38432
nvd.nist.gov/vuln/detail/CVE-2023-38432
security-tracker.debian.org/tracker/CVE-2023-38432
ubuntu.com/security/notices/USN-6285-1
ubuntu.com/security/notices/USN-6416-1
ubuntu.com/security/notices/USN-6416-2
ubuntu.com/security/notices/USN-6416-3
ubuntu.com/security/notices/USN-6445-1
ubuntu.com/security/notices/USN-6445-2
ubuntu.com/security/notices/USN-6464-1
ubuntu.com/security/notices/USN-6466-1
ubuntu.com/security/notices/USN-6520-1
www.cve.org/CVERecord?id=CVE-2023-38432
Related
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
0.001 Low
EPSS
Percentile
45.9%