cnvd - cnvd-2021-60524

cnvd-2021-60524

Vulnerability from cnvd

Title: Linux kernel信息泄露漏洞（CNVD-2021-60524）

Description:

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

Linux kernel存在安全漏洞，攻击者可以利用此漏洞获取任何网络命名空间中更改的信息，并使用此信息对受影响的系统发起进一步攻击。

Severity: 低

Patch Name: Linux kernel信息泄露漏洞（CNVD-2021-60524）的补丁

Patch Description:

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

Linux kernel存在安全漏洞，攻击者可以利用此漏洞获取任何网络命名空间中更改的信息，并使用此信息对受影响的系统发起进一步攻击。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，详情请关注厂商主页： https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.2

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-38209

Impacted products

Name
Linux Linux kernel <5.12.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-38209"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u83b7\u53d6\u4efb\u4f55\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u4e2d\u66f4\u6539\u7684\u4fe1\u606f\uff0c\u5e76\u4f7f\u7528\u6b64\u4fe1\u606f\u5bf9\u53d7\u5f71\u54cd\u7684\u7cfb\u7edf\u53d1\u8d77\u8fdb\u4e00\u6b65\u653b\u51fb\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-60524",
  "openTime": "2021-08-10",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u83b7\u53d6\u4efb\u4f55\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u4e2d\u66f4\u6539\u7684\u4fe1\u606f\uff0c\u5e76\u4f7f\u7528\u6b64\u4fe1\u606f\u5bf9\u53d7\u5f71\u54cd\u7684\u7cfb\u7edf\u53d1\u8d77\u8fdb\u4e00\u6b65\u653b\u51fb\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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-60524\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c5.12.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-38209",
  "serverity": "\u4f4e",
  "submitTime": "2021-08-10",
  "title": "Linux kernel\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-60524\uff09"
}

CVE-2021-38209 (GCVE-0-2021-38209)

Vulnerability from cvelistv5

Published

2021-08-08 19:21

Modified

2024-08-04 01:37

Severity ?

CWE

Summary

net/netfilter/nf_conntrack_standalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes are leaked into all other net namespaces. This is related to the NF_SYSCTL_CT_MAX, NF_SYSCTL_CT_EXPECT_MAX, and NF_SYSCTL_CT_BUCKETS sysctls.

References

▼	URL	Tags
	https://github.com/torvalds/linux/commit/2671fa4dc0109d3fb581bc3078fdf17b5d9080f6	x_refsource_MISC
	https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.2	x_refsource_MISC

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
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          "dateUpdated": "2024-08-04T01:37:16.479Z",
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            ],
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "versions": [
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        }
      ],
      "problemTypes": [
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            }
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      "providerMetadata": {
        "dateUpdated": "2021-08-08T19:21:00",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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        },
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          ],
          "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.2"
        }
      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2021-38209",
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  "cveMetadata": {
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}

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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