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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2023-52441
HistoryFeb 21, 2024 - 8:15 a.m.

CVE-2023-52441

2024-02-2108:15:45
CWE-119
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
1
linux kernel
ksmbd
out of bounds vulnerability
smb2
smb1
patch

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

8 High

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.

Affected configurations

NVD
Node
linuxlinux_kernelRange5.15.05.15.145
OR
linuxlinux_kernelRange5.16.06.1.53
OR
linuxlinux_kernelRange6.2.06.4.16

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

8 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

16.1%