CVE-2023-52441CWE-119

CVE-2023-52441

Critical · published February 21, 2024

CVSS v3.1
9.1
EPSS
1%
Percentile
51.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00679 · 51.8th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2024-02-21T13:15Z
Affected products (3)
ProductVersionsFixed in
linux/linux_kernel≥ 5.15.0, < 5.15.1455.15.145
linux/linux_kernel≥ 5.16.0, < 6.1.536.1.53
linux/linux_kernel≥ 6.2.0, < 6.4.166.4.16
References (8)
EPSS history
Timeline
  • 21 FEB 07:21Z
    ksmbd: fix out of bounds in init_smb2_rsp_hdr()
    cvelistv5