cnvd - cnvd-2020-60721

cnvd-2020-60721

Vulnerability from cnvd

Title: Linux kernel资源管理错误漏洞（CNVD-2020-60721）

Description:

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。

Linux kernel 5.9.1及之前版本存在资源管理错误漏洞，该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。目前没有详细漏洞细节提供。

Severity: 低

Patch Name: Linux kernel资源管理错误漏洞（CNVD-2020-60721）的补丁

Patch Description:

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。

Linux kernel 5.9.1及之前版本存在资源管理错误漏洞，该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。目前没有详细漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://xenbits.xen.org/xsa/advisory-332.html

Reference: https://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070

Impacted products

Name
Linux Linux kernel <=5.9.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-27673",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-27673"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel 5.9.1\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5bf9\u7cfb\u7edf\u8d44\u6e90\uff08\u5982\u5185\u5b58\u3001\u78c1\u76d8\u7a7a\u95f4\u3001\u6587\u4ef6\u7b49\uff09\u7684\u7ba1\u7406\u4e0d\u5f53\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://xenbits.xen.org/xsa/advisory-332.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-60721",
  "openTime": "2020-11-05",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 5.9.1\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5bf9\u7cfb\u7edf\u8d44\u6e90\uff08\u5982\u5185\u5b58\u3001\u78c1\u76d8\u7a7a\u95f4\u3001\u6587\u4ef6\u7b49\uff09\u7684\u7ba1\u7406\u4e0d\u5f53\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kernel\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-60721\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c=5.9.1"
  },
  "referenceLink": "https://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070",
  "serverity": "\u4f4e",
  "submitTime": "2020-11-04",
  "title": "Linux kernel\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-60721\uff09"
}

CVE-2020-27673 (GCVE-0-2020-27673)

Vulnerability from cvelistv5

Published

2020-10-22 20:33

Modified

2024-08-04 16:18

Severity ?

CWE

Summary

An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271.

References

▼	URL	Tags
	https://xenbits.xen.org/xsa/advisory-332.html	x_refsource_MISC
	https://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070	x_refsource_MISC
	https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e99502f76271d6bc4e374fe368c50c67a1fd3070	x_refsource_MISC
	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202011-06	vendor-advisory, x_refsource_GENTOO
	https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2021/01/19/6	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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          },
          {
            "name": "GLSA-202011-06",
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          },
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            ],
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          },
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          },
          {
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        ],
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    "cna": {
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        },
        {
          "name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update",
          "tags": [
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          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
        },
        {
          "name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
        },
        {
          "name": "[oss-security] 20210119 Xen Security Advisory 332 v4 (CVE-2020-27673) - Rogue guests can cause DoS of Dom0 via high frequency events",
          "tags": [
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            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/01/19/6"
        }
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      "x_legacyV4Record": {
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          "ID": "CVE-2020-27673",
          "STATE": "PUBLIC"
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        "affects": {
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    "assignerShortName": "mitre",
    "cveId": "CVE-2020-27673",
    "datePublished": "2020-10-22T20:33:26",
    "dateReserved": "2020-10-22T00:00:00",
    "dateUpdated": "2024-08-04T16:18:45.526Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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