5.5

CVE-2023-4130

ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()

There are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request
from client. ksmbd find next smb2_ea_info using ->NextEntryOffset of
current smb2_ea_info. ksmbd need to validate buffer length Before
accessing the next ea. ksmbd should check buffer length using buf_len,
not next variable. next is the start offset of current ea that got from
previous ea.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.15 < 5.15.127
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.46
Linux ≫ Linux Kernel Version >= 6.2 < 6.4.11
Linux ≫ Linux Kernel Version6.5 Updaterc1
Linux ≫ Linux Kernel Version6.5 Updaterc2
Linux ≫ Linux Kernel Version6.5 Updaterc3
Linux ≫ Linux Kernel Version6.5 Updaterc4
Linux ≫ Linux Kernel Version6.5 Updaterc5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.127
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/aeb974907642be095e38ecb1a400ca583958b2b0
Patch
https://git.kernel.org/stable/c/f339d76a3a972601d0738b881b099d49ebbdc3a2
Patch
https://git.kernel.org/stable/c/4bf629262f9118ee91b1c3a518ebf2b3bcb22180
Patch
https://git.kernel.org/stable/c/79ed288cef201f1f212dfb934bcaac75572fb8f6
Patch