cnvd - cnvd-2021-39772

cnvd-2021-39772

Vulnerability from cnvd

Title: QEMU拒绝服务漏洞（CNVD-2021-39772）

Description:

QEMU是一套模拟处理器软件。

QEMU 存在安全漏洞。攻击者可利用该漏洞通过QEMU的e1000e空包描述符触发过载，以触发主机系统上的拒绝服务。

Severity: 低

Formal description:

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://git.qemu.org/?p=qemu.git;a=commitdiff;h=c2cb511634012344e3d0fe49a037a33b12d8a98a

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-28916

Impacted products

Name
Qemu QEMU 5.0.0

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-28916",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-28916"
    }
  },
  "description": "QEMU\u662f\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\n\nQEMU \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7QEMU\u7684e1000e\u7a7a\u5305\u63cf\u8ff0\u7b26\u89e6\u53d1\u8fc7\u8f7d\uff0c\u4ee5\u89e6\u53d1\u4e3b\u673a\u7cfb\u7edf\u4e0a\u7684\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://git.qemu.org/?p=qemu.git;a=commitdiff;h=c2cb511634012344e3d0fe49a037a33b12d8a98a",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-39772",
  "openTime": "2021-06-06",
  "products": {
    "product": "Qemu QEMU 5.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-28916",
  "serverity": "\u4f4e",
  "submitTime": "2020-12-02",
  "title": "QEMU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-39772\uff09"
}

CVE-2020-28916 (GCVE-0-2020-28916)

Vulnerability from cvelistv5

Published

2020-12-04 06:22

Modified

2024-08-04 16:41

Severity ?

CWE

Summary

hw/net/e1000e_core.c in QEMU 5.0.0 has an infinite loop via an RX descriptor with a NULL buffer address.

References

▼	URL	Tags
	https://lists.nongnu.org/archive/html/qemu-devel/2020-11/msg03185.html	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2020/12/01/2	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html	mailing-list, x_refsource_MLIST

Impacted products

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

Show details on NVD website

JSON

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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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