cnvd - cnvd-2022-79426

cnvd-2022-79426

Vulnerability from cnvd

Title: Linux kernel信息泄露漏洞（CNVD-2022-79426）

Description:

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。KVM是其中的一个基于内核的虚拟机。

Linux kernel存在信息泄露漏洞，该漏洞源于网络系统或产品在运行过程中存在配置等错误。攻击者可利用该漏洞获取敏感信息。

Severity: 低

Patch Name: Linux kernel信息泄露漏洞（CNVD-2022-79426）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。KVM是其中的一个基于内核的虚拟机。

Linux kernel存在信息泄露漏洞，该漏洞源于网络系统或产品在运行过程中存在配置等错误。攻击者可利用该漏洞获取敏感信息。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13

Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-0854

Impacted products

Name
Linux Linux kernel >5.16

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-0854",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-0854"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002KVM\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u57fa\u4e8e\u5185\u6838\u7684\u865a\u62df\u673a\u3002\n\nLinux kernel\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u5b58\u5728\u914d\u7f6e\u7b49\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8\u0026id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-79426",
  "openTime": "2022-11-23",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002KVM\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u57fa\u4e8e\u5185\u6838\u7684\u865a\u62df\u673a\u3002\r\n\r\nLinux kernel\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u5b58\u5728\u914d\u7f6e\u7b49\u9519\u8bef\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\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-2022-79426\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003e5.16"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-0854",
  "serverity": "\u4f4e",
  "submitTime": "2022-03-25",
  "title": "Linux kernel\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2022-79426\uff09"
}

CVE-2022-0854 (GCVE-0-2022-0854)

Vulnerability from cvelistv5

Published

2022-03-23 19:46

Modified

2024-08-02 23:40

Severity ?

CWE

CWE-200

Summary

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

References

▼	URL	Tags
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13	x_refsource_MISC
	https://www.debian.org/security/2022/dsa-5161	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2022/dsa-5173	vendor-advisory, x_refsource_DEBIAN

Impacted products

	Vendor	Product	Version
	n/a	Kernel	Version: Linux kernel 5.17-rc8

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{
  "containers": {
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          "dateUpdated": "2024-08-02T23:40:04.528Z",
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          },
          {
            "name": "DSA-5161",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
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            ],
            "url": "https://www.debian.org/security/2022/dsa-5161"
          },
          {
            "name": "[debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update",
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            ],
            "url": "https://www.debian.org/security/2022/dsa-5173"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "Kernel",
          "vendor": "n/a",
          "versions": [
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      "providerMetadata": {
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    "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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