CVE-2023-54203 ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr

🗓️ 30 Dec 2025 12:09:07Reported by GoogleType

osv

osv🔗 osv.dev👁 2 Views

ksmbd fixes slab-out-of-bounds in init_smb2_rsp_hdr during smb1 negotiate by adding smb1 server operations.

Reporter	Title	Published	Views	Family All 14
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux-5.15	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	30 Dec 202500:00	–	cnnvd
CVE	CVE-2023-54203	30 Dec 202512:09	–	cve
Cvelist	CVE-2023-54203 ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr	30 Dec 202512:09	–	cvelist
Debian CVE	CVE-2023-54203	30 Dec 202512:09	–	debiancve
EUVD	EUVD-2023-60438	30 Dec 202515:30	–	euvd
NVD	CVE-2023-54203	30 Dec 202513:16	–	nvd
OSV	BELL-CVE-2023-54203 CVE-2023-54203 does not affect BellSoft software	7 Jan 202606:07	–	osv
OSV	UBUNTU-CVE-2023-54203	30 Dec 202513:16	–	osv
Positive Technologies	PT-2025-54032	30 Dec 202500:00	–	ptsecurity

Source	Link
git	www.git.kernel.org/stable/c/921536046bd165efeb07beef5630aff35cd6a489
git	www.git.kernel.org/stable/c/99a51c673b1d2d0b5a972353401b77612d9cc713
git	www.git.kernel.org/stable/c/a8334a0c535d0f0b4d64926c8fe0922ed98f7d43
git	www.git.kernel.org/stable/c/dc8289f912387c3bcfbc5d2db29c8947fa207c11
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54203.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2023-54203
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

02 Apr 2026 09:43Current

6.4Medium risk

Vulners AI Score6.4

EPSS0.00021

init_smb2_rsp_hdr out of bounds smb1 negotiate smb2 server operations kasan detection