CVE-2023-54264

🗓️ 30 Dec 2025 12:15:56Reported by LinuxType

Linux kernel fix for fs/sysv null pointer dereference when sb_getblk returns null while locking.

Reporter	Title	Published	Views	Family All 313
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	30 Dec 202500:00	–	cnnvd
Cvelist	CVE-2023-54264 fs/sysv: Null check to prevent null-ptr-deref bug	30 Dec 202512:15	–	cvelist
Debian CVE	CVE-2023-54264	30 Dec 202512:15	–	debiancve
EUVD	EUVD-2023-60377	30 Dec 202515:30	–	euvd
NVD	CVE-2023-54264	30 Dec 202513:16	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:0316-1)	30 Jan 202600:00	–	openvas
OSV	BELL-CVE-2023-54264	1 Jan 202606:06	–	osv
OSV	CVE-2023-54264 fs/sysv: Null check to prevent null-ptr-deref bug	30 Dec 202512:15	–	osv
OSV	DEBIAN-CVE-2023-54264	30 Dec 202513:16	–	osv

Vulners

CNA

Node

linux linux_kernelRange2.6.19–4.14.322

linux linux_kernelRange4.15.0–4.19.291

linux linux_kernelRange4.20.0–5.4.253

linux linux_kernelRange5.5.0–5.10.190

linux linux_kernelRange5.11.0–5.15.126

linux linux_kernelRange5.16.0–6.1.45

linux linux_kernelRange6.2.0–6.4.10

linux linux_kernelRange6.5.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/sysv/itree.c"
    ],
    "versions": [
      {
        "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
        "lessThan": "e976988bc245ec3768cc0f76bed7d05488a7dd0f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
        "lessThan": "baa60c66a310c50785289b0ede6fdce8ec3219c7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
        "lessThan": "0a44ceba77c3267f8505dda102a59367dc24caee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
        "lessThan": "7f740bc696d4617f8ee44565e8ac0d36278a1e91",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
        "lessThan": "afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
        "lessThan": "1416eebaad80bdc85ad9f97f27242011b031e2a9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
        "lessThan": "e28f376dd8dfcc4e880ac101184132bc08703f6e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e5657933863f43cc6bb76a54d659303dafaa9e58",
        "lessThan": "ea2b62f305893992156a798f665847e0663c9f41",
        "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/sysv/itree.c"
    ],
    "versions": [
      {
        "version": "2.6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.322",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.291",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.253",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.190",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.126",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.45",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.10",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635
git	www.git.kernel.org/stable/c/ea2b62f305893992156a798f665847e0663c9f41
git	www.git.kernel.org/stable/c/1416eebaad80bdc85ad9f97f27242011b031e2a9
git	www.git.kernel.org/stable/c/7f740bc696d4617f8ee44565e8ac0d36278a1e91
git	www.git.kernel.org/stable/c/0a44ceba77c3267f8505dda102a59367dc24caee
git	www.git.kernel.org/stable/c/baa60c66a310c50785289b0ede6fdce8ec3219c7
git	www.git.kernel.org/stable/c/e28f376dd8dfcc4e880ac101184132bc08703f6e
git	www.git.kernel.org/stable/c/e976988bc245ec3768cc0f76bed7d05488a7dd0f

11 May 2026 19:58Current

6Medium risk

Vulners AI Score6

EPSS0.00034