CVE-2023-52440

ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()

Published: 2/21/2024 Last updated: 5/11/2026 Reserved: 2/20/2024

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.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (4)

Product	Vendor	Version
Linux	Linux	<= 1.2.0.1000
Linux	Linux	LDAP Server in QTS 4.2.6 build 20171208, QTS 4.3.3 build 20180402, QTS 4.3.4 build 20180413 and their earlier versions
Linux	Linux	4.8.5
Linux	Linux	n/a

CVE-2023-52440

ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()

Opam packages affected (29)

Products affected (4)

References (20)