Vulnerability-Lookup

GHSA-MPVX-HGX6-JW78

Vulnerability from github – Published: 2025-09-18 18:30 – Updated: 2025-12-11 15:30

Details

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

ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr()

Here is a BUG report from syzbot:

BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 Read of size 1 at addr ffff888021acaf3d by task syz-executor128/3632

Call Trace: ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x293/0x2d0 fs/xattr.c:804

Fix the logic of ea_all iteration. When the ea->name_len is 0, return immediately, or Add2Ptr() would visit invalid memory in the next loop.

[almaz.alexandrovich@paragon-software.com: lines of the patch have changed]

Severity

7.1 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53420"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-18T16:15:45Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr()\n\nHere is a BUG report from syzbot:\n\nBUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]\nBUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710\nRead of size 1 at addr ffff888021acaf3d by task syz-executor128/3632\n\nCall Trace:\n ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]\n ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710\n vfs_listxattr fs/xattr.c:457 [inline]\n listxattr+0x293/0x2d0 fs/xattr.c:804\n\nFix the logic of ea_all iteration. When the ea-\u003ename_len is 0,\nreturn immediately, or Add2Ptr() would visit invalid memory\nin the next loop.\n\n[almaz.alexandrovich@paragon-software.com: lines of the patch have changed]",
  "id": "GHSA-mpvx-hgx6-jw78",
  "modified": "2025-12-11T15:30:30Z",
  "published": "2025-09-18T18:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53420"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/721b75ea2dfce53a8890dff92ae01afca8e74f88"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c86a2517df6c9304db8fb12b77136ec7a5d85994"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3380d895e28a32632eb3609f5bd515adee4e5a1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-53420 (GCVE-0-2023-53420)

Vulnerability from cvelistv5 – Published: 2025-09-18 16:04 – Updated: 2026-08-05 09:14

Title

ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr()

Summary

In the Linux kernel, the following vulnerability has been resolved: ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr() Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 Read of size 1 at addr ffff888021acaf3d by task syz-executor128/3632 Call Trace: ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x293/0x2d0 fs/xattr.c:804 Fix the logic of ea_all iteration. When the ea->name_len is 0, return immediately, or Add2Ptr() would visit invalid memory in the next loop. [almaz.alexandrovich@paragon-software.com: lines of the patch have changed]

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-14 19:11 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/f3380d895e28a3263…
https://git.kernel.org/stable/c/c86a2517df6c9304d…
https://git.kernel.org/stable/c/721b75ea2dfce53a8…
https://git.kernel.org/stable/c/3c675ddffb17a8b1e…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: be71b5cba2e6485e8959da7a9f9a44461a1bb074 , < f3380d895e28a32632eb3609f5bd515adee4e5a1 (git) Affected: be71b5cba2e6485e8959da7a9f9a44461a1bb074 , < c86a2517df6c9304db8fb12b77136ec7a5d85994 (git) Affected: be71b5cba2e6485e8959da7a9f9a44461a1bb074 , < 721b75ea2dfce53a8890dff92ae01afca8e74f88 (git) Affected: be71b5cba2e6485e8959da7a9f9a44461a1bb074 , < 3c675ddffb17a8b1e32efad5c983254af18b12c2 (git)
Linux	Linux	Affected: 5.15 Unaffected: 0 , < 5.15 (semver) Unaffected: 5.15.121 , ≤ 5.15.* (semver) Unaffected: 6.1.39 , ≤ 6.1.* (semver) Unaffected: 6.4.4 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.1,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-53420",
                "options": [
                  {
                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-14T19:11:54.225188Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-125",
                "description": "CWE-125 Out-of-bounds Read",
                "lang": "en",
                "type": "CWE"
              }
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-14T19:13:10.492Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/xattr.c"
          ],
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            {
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              "status": "affected",
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              "versionType": "git"
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            {
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              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "3c675ddffb17a8b1e32efad5c983254af18b12c2",
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          "versions": [
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              "status": "unaffected",
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              "versionType": "semver"
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              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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                  "versionEndExcluding": "5.15.121",
                  "versionStartIncluding": "5.15",
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                {
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr()\n\nHere is a BUG report from syzbot:\n\nBUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]\nBUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710\nRead of size 1 at addr ffff888021acaf3d by task syz-executor128/3632\n\nCall Trace:\n ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]\n ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710\n vfs_listxattr fs/xattr.c:457 [inline]\n listxattr+0x293/0x2d0 fs/xattr.c:804\n\nFix the logic of ea_all iteration. When the ea-\u003ename_len is 0,\nreturn immediately, or Add2Ptr() would visit invalid memory\nin the next loop.\n\n[almaz.alexandrovich@paragon-software.com: lines of the patch have changed]"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.1,
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          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The bug is in ntfs3 on-disk EA parsing reached via the listxattr syscall (ntfs_listxattr \u2192 ntfs_list_ea) on a mounted NTFS volume; malicious ATTR_EA data comes from the filesystem image, not from network protocol input.\nAC:L - A crafted NTFS image with a zero name_len EA reliably triggers the out-of-bounds read on listxattr with no race or other conditions outside the attacker\u2019s control.\nPR:L - vfs_listxattr does not require MAY_READ\u2014only path traversal and LSM listxattr hooks\u2014so an unprivileged local user who can reach a file on a mounted NTFS volume can invoke the vulnerable path.\nUI:N - Once an NTFS volume is mounted (common for removable/dual-boot/shared storage), the attacker triggers the bug solely by calling listxattr; no further victim interaction is required.\nS:U - Impact is confined to the local kernel\u2019s memory/availability authority; this is standard kernel memory-safety impact with no VM, IOMMU, or other security-authority boundary crossed.\nC:H - The slab OOB read in ntfs_list_ea can read past the kmalloc\u2019d EA buffer and, on continued iteration, memcpy attacker-influenced lengths of adjacent slab memory into the listxattr buffer that is copied to userspace.\nI:N - The defect is an out-of-bounds read only; memcpy destinations are the legitimate list buffer under a size check, with no OOB write or other kernel integrity corruption primitive.\nA:H - The OOB access causes KASAN reports and can oops/panic the kernel when invalid EA iteration touches unmapped or poisoned slab memory, enabling denial of service."
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        {
          "url": "https://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2"
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    "datePublished": "2025-09-18T16:04:03.754Z",
    "dateReserved": "2025-09-17T14:54:09.741Z",
    "dateUpdated": "2026-08-05T09:14:02.648Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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