CVE-2023-52440
7.8
HIGH
CVSS 3.1
EPSS 36.7%
Description
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.
How to fix CVE-2023-52440
To remediate CVE-2023-52440, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 6.1.52-1 or later
Is CVE-2023-52440 being exploited?
Moderate — EPSS is 36.7%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 6.1.52-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |