CVE-2023-54250

🗓️ 30 Dec 2025 12:15:47Reported by LinuxType

ksmbd fixes out-of-bounds in decode_preauth_ctxt for CVE-2023-54250 by validating HashAlgorithms in the SMB request.

Reporter	Title	Published	Views	Family All 16
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux-5.15	3 May 202623:59	–	astralinux
Circl	CVE-2023-54250	30 Dec 202513:59	–	circl
CNNVD	Linux kernel 安全漏洞	30 Dec 202500:00	–	cnnvd
Cvelist	CVE-2023-54250 ksmbd: avoid out of bounds access in decode_preauth_ctxt()	30 Dec 202512:15	–	cvelist
Debian CVE	CVE-2023-54250	30 Dec 202512:15	–	debiancve
EUVD	EUVD-2023-60391	30 Dec 202515:30	–	euvd
NVD	CVE-2023-54250	30 Dec 202513:16	–	nvd
OSV	BELL-CVE-2023-54250	7 Jan 202606:07	–	osv
OSV	CVE-2023-54250 ksmbd: avoid out of bounds access in decode_preauth_ctxt()	30 Dec 202512:15	–	osv
OSV	DEBIAN-CVE-2023-54250	30 Dec 202513:16	–	osv

Vulners

CNA

Node

linux linux_kernelRange5.15–5.15.145

linux linux_kernelRange5.16.0–6.1.25

linux linux_kernelRange6.2.0–6.2.12

linux linux_kernelRange6.3.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ksmbd/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "39f5b4b313b445c980a2a295bed28228c29228ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "a2f6ded41bec1d3be643c80a5eb97f1680309001",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "f02edb9debbd36f44efa7567031485892c7df60d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "e7067a446264a7514fa1cfaa4052cdb6803bc6a2",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ksmbd/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.145",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.25",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.12",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/39f5b4b313b445c980a2a295bed28228c29228ed
git	www.git.kernel.org/stable/c/a2f6ded41bec1d3be643c80a5eb97f1680309001
git	www.git.kernel.org/stable/c/e7067a446264a7514fa1cfaa4052cdb6803bc6a2
git	www.git.kernel.org/stable/c/f02edb9debbd36f44efa7567031485892c7df60d

11 May 2026 19:58Current

6.2Medium risk

Vulners AI Score6.2

EPSS0.00024