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LinuxVULNRICHMENT:CVE-2023-52440HistoryFeb 21, 2024 - 7:21 a.m.
CVE-2023-52440 ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()
2024-02-2107:21:00
Linux
github.com
linux kernel
vulnerability
resolved
ksmbd
slub overflow
key exchange codes
cve
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()
If authblob->SessionKey.Length is bigger than session key
size(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes.
cifs_arc4_crypt copy to session key array from SessionKey from client.
References
git.kernel.org/stable/c/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254
git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809
git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
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AI Score
7.1
Confidence
Low
SSVC
Exploitation
none
Automatable
no
Technical Impact
partial
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