imPC@ndo IT

Tracker / CVE-2023-52440

CVE-2023-52440

Critical 9.8

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.

Affected products and versions

linux linux_kernel · 5.17.0 → 6.1.52
linux linux_kernel · 6.2.0 → 6.4.15
linux linux_kernel · 6.5.0 → 6.5.2

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References