CVE-2023-52440Critical· 9.8▾ AbyssalPoC availableIn 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…
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 53.9 · likelihood 4.5 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Aug 4.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
22%
1 GitHub repo
22% → 22%
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.
linux_kernel >= 5.17.0, < 6.1.52linux_kernel >= 6.2.0, < 6.4.15linux_kernel >= 6.5.0, < 6.5.2Upgrade past the affected range:
linux_kernel 6.5.2Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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