7.8

CVE-2023-52441

ksmbd: fix out of bounds in init_smb2_rsp_hdr()

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.15.0 < 5.15.145
Linux ≫ Linux Kernel Version >= 5.16.0 < 6.1.53
Linux ≫ Linux Kernel Version >= 6.2.0 < 6.4.16
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.38% 0.293
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc
Patch
https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b
Patch
https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b
Patch
https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f
Patch