cnvd - cnvd-2025-19251

cnvd-2025-19251

Vulnerability from cnvd

Title

GNU GRUB空指针解引用漏洞

Description

GNU GRUB是GNU社区的一款Linux系统引导程序。 GNU GRUB存在空指针解引用漏洞，该漏洞源于HFS+grub挂载失败时未正确设置ERRNO，会导致空指针访问。攻击者可利用该漏洞通过绕过安全机制，执行恶意操作。

Severity

中

Formal description

厂商尚未发布漏洞修复程序，请及时关注更新： https://bugzilla.redhat.com/show_bug.cgi?id=2345863

Reference

https://nvd.nist.gov/vuln/detail/CVE-2024-45783

Impacted products

Name
GNU GRUB

Show details on source website

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-45783",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-45783"
    }
  },
  "description": "GNU GRUB\u662fGNU\u793e\u533a\u7684\u4e00\u6b3eLinux\u7cfb\u7edf\u5f15\u5bfc\u7a0b\u5e8f\u3002\n\nGNU GRUB\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eHFS+grub\u6302\u8f7d\u5931\u8d25\u65f6\u672a\u6b63\u786e\u8bbe\u7f6eERRNO\uff0c\u4f1a\u5bfc\u81f4\u7a7a\u6307\u9488\u8bbf\u95ee\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7ed5\u8fc7\u5b89\u5168\u673a\u5236\uff0c\u6267\u884c\u6076\u610f\u64cd\u4f5c\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2345863",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-19251",
  "openTime": "2025-08-22",
  "products": {
    "product": "GNU GRUB"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2024-45783",
  "serverity": "\u4e2d",
  "submitTime": "2025-08-20",
  "title": "GNU GRUB\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2024-45783 (GCVE-0-2024-45783)

Vulnerability from cvelistv5

Published

2025-02-18 19:26

Modified

2025-07-29 09:41

Severity ?

4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-911 - Improper Update of Reference Count

Summary

A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn't properly set an ERRNO value. This issue may lead to a NULL pointer access.

References

URL

Tags

	https://access.redhat.com/errata/RHSA-2025:6990	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/security/cve/CVE-2024-45783	vdb-entry, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2345863	issue-tracking, x_refsource_REDHAT

Impacted products

Vendor

Product

Version

Version: 0 ≤ 2.12

	Red Hat	Red Hat Enterprise Linux 9	Unaffected: 1:2.06-104.el9_6 < * cpe:/o:redhat:enterprise_linux:9::baseos
	Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
	Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
	Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
	Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4

Show details on NVD website

To clipboard

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            "other": {
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                "id": "CVE-2024-45783",
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                  },
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                  },
                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-19T14:42:27.841966Z",
                "version": "2.0.3"
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "defaultStatus": "unaffected",
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          "time": "2025-02-18T18:00:00+00:00",
          "value": "Made public."
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      ],
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    "dateReserved": "2024-09-08T01:57:12.948Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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