Ubuntu.comUB:CVE-2023-52441CVE-2023-52441
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
16.1%
In the Linux kernel, the following vulnerability has been resolved: ksmbd:
fix out of bounds in init_smb2_rsp_hdr() If client send smb2 negotiate
request and then send smb1 negotiate request, init_smb2_rsp_hdr is called
for smb1 negotiate request since need_neg is set to false. This patch
ignore smb1 packets after ->need_neg is set to false.
Bugs
Notes
| Author | Note |
|---|---|
| sbeattie | ZDI-CAN-21541 |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 22.04 | noarch | linux | < 5.15.0-102.112 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < 5.15.0-1057.63 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws-5.15 | < 5.15.0-1057.63~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure | < 5.15.0-1060.69 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-5.15 | < 5.15.0-1060.69~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-fde | < 5.15.0-1060.69.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-fde-5.15 | < 5.15.0-1060.69~20.04.1.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-bluefield | < 5.15.0-1040.42 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gcp | < 5.15.0-1055.63 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gcp-5.15 | < 5.15.0-1055.63~20.04.1 | UNKNOWN |
References
git.kernel.org/linus/536bb492d39bb6c080c92f31e8a55fe9934f452b (6.5-rc4)
git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc
git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b
git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b
git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f
launchpad.net/bugs/cve/CVE-2023-52441
nvd.nist.gov/vuln/detail/CVE-2023-52441
security-tracker.debian.org/tracker/CVE-2023-52441
ubuntu.com/security/notices/USN-6725-1
ubuntu.com/security/notices/USN-6725-2
www.cve.org/CVERecord?id=CVE-2023-52441
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
16.1%