cnvd - cnvd-2022-20179

cnvd-2022-20179

Vulnerability from cnvd

Title: Linux kernel授权问题漏洞

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，该漏洞源于软件对用权限限制存在问题。攻击者可利用该漏洞通过Cgroups Release Agent绕过Linux内核的限制，以升级他的权限。

Severity: 中

Patch Name: Linux kernel授权问题漏洞的补丁

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，该漏洞源于软件对用权限限制存在问题。攻击者可利用该漏洞通过Cgroups Release Agent绕过Linux内核的限制，以升级他的权限。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://access.redhat.com/security/cve/cve-2022-0492

Reference: https://vigilance.fr/vulnerability/Linux-kernel-privilege-escalation-via-Cgroups-Release-agent-37462

Impacted products

Name
Linux Linux kernel <5.17

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-0492"
    }
  },
  "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\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5bf9\u7528\u6743\u9650\u9650\u5236\u5b58\u5728\u95ee\u9898\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7Cgroups Release Agent\u7ed5\u8fc7Linux\u5185\u6838\u7684\u9650\u5236\uff0c\u4ee5\u5347\u7ea7\u4ed6\u7684\u6743\u9650\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://access.redhat.com/security/cve/cve-2022-0492",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-20179",
  "openTime": "2022-03-17",
  "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\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5bf9\u7528\u6743\u9650\u9650\u5236\u5b58\u5728\u95ee\u9898\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7Cgroups Release Agent\u7ed5\u8fc7Linux\u5185\u6838\u7684\u9650\u5236\uff0c\u4ee5\u5347\u7ea7\u4ed6\u7684\u6743\u9650\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\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux  Linux kernel \u003c5.17"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/Linux-kernel-privilege-escalation-via-Cgroups-Release-agent-37462",
  "serverity": "\u4e2d",
  "submitTime": "2022-02-09",
  "title": "Linux kernel\u6388\u6743\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2022-0492 (GCVE-0-2022-0492)

Vulnerability from cvelistv5

Published

2022-03-03 00:00

Modified

2024-08-02 23:32

Severity ?

CWE

CWE-287

Summary

A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=2051505
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af
	https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html	mailing-list
	https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html	mailing-list
	https://www.debian.org/security/2022/dsa-5095	vendor-advisory
	https://www.debian.org/security/2022/dsa-5096	vendor-advisory
	http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html
	https://security.netapp.com/advisory/ntap-20220419-0002/
	http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
	http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: kernel 5.17 rc3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T23:32:45.292Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2051505"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af"
          },
          {
            "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
          },
          {
            "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
          },
          {
            "name": "DSA-5095",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5095"
          },
          {
            "name": "DSA-5096",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5096"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20220419-0002/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "kernel 5.17 rc3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in the Linux kernel\u2019s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly."
        }
      ],
      "problemTypes": [
        {
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              "lang": "en",
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      ],
      "providerMetadata": {
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        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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      },
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2051505"
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        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af"
        },
        {
          "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update",
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        },
        {
          "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
        },
        {
          "name": "DSA-5095",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2022/dsa-5095"
        },
        {
          "name": "DSA-5096",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2022/dsa-5096"
        },
        {
          "url": "http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20220419-0002/"
        },
        {
          "url": "http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html"
        },
        {
          "url": "http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2022-0492",
    "datePublished": "2022-03-03T00:00:00",
    "dateReserved": "2022-02-04T00:00:00",
    "dateUpdated": "2024-08-02T23:32:45.292Z",
    "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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