github - ghsa-vrgf-cf4x-v6w6

GHSA-VRGF-CF4X-V6W6

Vulnerability from github – Published: 2025-12-30 15:30 – Updated: 2025-12-30 15:30

Details

In the Linux kernel, the following vulnerability has been resolved:

fs/sysv: Null check to prevent null-ptr-deref bug

sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-54264"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-30T13:16:15Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/sysv: Null check to prevent null-ptr-deref bug\n\nsb_getblk(inode-\u003ei_sb, parent) return a null ptr and taking lock on\nthat leads to the null-ptr-deref bug.",
  "id": "GHSA-vrgf-cf4x-v6w6",
  "modified": "2025-12-30T15:30:34Z",
  "published": "2025-12-30T15:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-54264"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a44ceba77c3267f8505dda102a59367dc24caee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1416eebaad80bdc85ad9f97f27242011b031e2a9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7f740bc696d4617f8ee44565e8ac0d36278a1e91"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/baa60c66a310c50785289b0ede6fdce8ec3219c7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e28f376dd8dfcc4e880ac101184132bc08703f6e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e976988bc245ec3768cc0f76bed7d05488a7dd0f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea2b62f305893992156a798f665847e0663c9f41"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2023-54264 (GCVE-0-2023-54264)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:15 – Updated: 2025-12-30 12:15

Title

fs/sysv: Null check to prevent null-ptr-deref bug

Summary

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e976988bc245ec376…
	https://git.kernel.org/stable/c/baa60c66a310c5078…
	https://git.kernel.org/stable/c/0a44ceba77c3267f8…
	https://git.kernel.org/stable/c/7f740bc696d4617f8…
	https://git.kernel.org/stable/c/afd9a31b5aa4b3747…
	https://git.kernel.org/stable/c/1416eebaad80bdc85…
	https://git.kernel.org/stable/c/e28f376dd8dfcc4e8…
	https://git.kernel.org/stable/c/ea2b62f3058939921…

Impacted products

Vendor

Product

Version

Linux

Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e976988bc245ec3768cc0f76bed7d05488a7dd0f (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < baa60c66a310c50785289b0ede6fdce8ec3219c7 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 0a44ceba77c3267f8505dda102a59367dc24caee (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7f740bc696d4617f8ee44565e8ac0d36278a1e91 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1416eebaad80bdc85ad9f97f27242011b031e2a9 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e28f376dd8dfcc4e880ac101184132bc08703f6e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ea2b62f305893992156a798f665847e0663c9f41 (git)

Linux

Unaffected: 4.14.322 , ≤ 4.14.* (semver)
Unaffected: 4.19.291 , ≤ 4.19.* (semver)
Unaffected: 5.4.253 , ≤ 5.4.* (semver)
Unaffected: 5.10.190 , ≤ 5.10.* (semver)
Unaffected: 5.15.126 , ≤ 5.15.* (semver)
Unaffected: 6.1.45 , ≤ 6.1.* (semver)
Unaffected: 6.4.10 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)

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{
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/sysv/itree.c"
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          "vendor": "Linux",
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              "status": "unaffected",
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.15.126",
              "versionType": "semver"
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              "status": "unaffected",
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              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.322",
                  "vulnerable": true
                },
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:15:56.893Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2025-12-30T12:15:56.893Z",
    "dateReserved": "2025-12-30T12:06:44.517Z",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-VRGF-CF4X-V6W6

CVE-2023-54264 (GCVE-0-2023-54264)

Tags

Sightings

Nomenclature