by Kastro
Paper/Archive/CVE-2023-3867

CVE-2023-3867

Linux Linux — ksmbd: fix out of bounds read in smb2_sess_setup

EPSS 6%CVSS 9.1
critical.is priorityof 100
46
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 93.4.934 × 2018.7No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds read in smb2_sess_setup ksmbd does not consider the case of that smb2 session setup is in compound request. If this is the second payload of the compound, OOB read issue occurs while processing the first payload in the smb2_sess_setup().

Affected

ProductAffectedFixed inSource
Linuxe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – < 676392184785ace61e939831e7ca44a03d438c3b676392184785ace61e939831e7ca44a03d438c3bCNA
Linuxe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – < ef572ffa8eb44111eed2925fbb2adca78bdcbf61ef572ffa8eb44111eed2925fbb2adca78bdcbf61CNA
Linuxe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – < 2ba03cecb12ac7ac9e0170e251543c56832d99592ba03cecb12ac7ac9e0170e251543c56832d9959CNA
Linuxe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – < 98422bdd4cb3ca4d08844046f6507d7ec2c2b8d898422bdd4cb3ca4d08844046f6507d7ec2c2b8d8CNA
Linux5.155.15.145CNA

Scores by source

Linux (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

refgit.kernel.org/stable/c/ef572ffa8eb44111eed2925fbb2adca78bdcbf61refgit.kernel.org/stable/c/2ba03cecb12ac7ac9e0170e251543c56832d9959refgit.kernel.org/stable/c/98422bdd4cb3ca4d08844046f6507d7ec2c2b8d8refgit.kernel.org/stable/c/676392184785ace61e939831e7ca44a03d438c3b