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CVE-2023-53513 nbd: fix incomplete validation of ioctl arg

🗓️ 01 Oct 2025 11:46:01Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Patch fixes incomplete validation of nbd ioctl arg to prevent overflow and oversized sizes.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-228)
28 Jun 202300:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-021 (ALASKERNEL-5.15-2023-021)
29 Jun 202300:00
–nessus
nessus
Tenable Nessus
AlmaLinux 8 : kernel-rt (ALSA-2025:22387)
5 Dec 202500:00
–nessus
nessus
Tenable Nessus
AlmaLinux 8 : kernel (ALSA-2025:22388)
5 Dec 202500:00
–nessus
nessus
Tenable Nessus
Rocky Linux 8.6 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (ciqsa-2026_1190)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (ciqsa-2026_0637)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2025_22387)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2025_22388)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_0393)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ciqsa-2026_0619)
1 Oct 202600:00
–nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/nbd.c"
    ],
    "versions": [
      {
        "version": "b9c495bb6d8edc719fd23af2ac67de8303cfc1e8",
        "lessThan": "52851d0c3354b397c11d31dfeb8b2a2fc85a0002",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9c495bb6d8edc719fd23af2ac67de8303cfc1e8",
        "lessThan": "fab766c8a1aff715bce7075aab40e780266f8e1a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9c495bb6d8edc719fd23af2ac67de8303cfc1e8",
        "lessThan": "ffb75ffaa68723276365d0f9d00b03362b750657",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9c495bb6d8edc719fd23af2ac67de8303cfc1e8",
        "lessThan": "55793ea54d77719a071b1ccc05a05056e3b5e009",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/nbd.c"
    ],
    "versions": [
      {
        "version": "4.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.113",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.30",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3.4",
        "lessThanOrEqual": "6.3.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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