cnvd - cnvd-2020-64300

cnvd-2020-64300

Vulnerability from cnvd

Title: Linux kernel perf_event_parse_addr_filter()代码问题漏洞

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存在安全漏洞，攻击者可利用该漏洞可以通过perf_event_parse_addr_filter()来创建内存泄漏，从而触发拒绝服务。

Severity: 高

Formal description:

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.linux.org/

Reference: https://vigilance.fr/vulnerability/Linux-kernel-memory-leak-via-perf-event-parse-addr-filter-33853

Impacted products

Name
Linux Linux kernel perf_event_parse_addr_filter()

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-25704",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-25704"
    }
  },
  "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\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u901a\u8fc7perf_event_parse_addr_filter()\u6765\u521b\u5efa\u5185\u5b58\u6cc4\u6f0f\uff0c\u4ece\u800c\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.linux.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-64300",
  "openTime": "2020-11-19",
  "products": {
    "product": "Linux Linux kernel perf_event_parse_addr_filter()"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/Linux-kernel-memory-leak-via-perf-event-parse-addr-filter-33853",
  "serverity": "\u9ad8",
  "submitTime": "2020-11-10",
  "title": "Linux kernel perf_event_parse_addr_filter()\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-25704 (GCVE-0-2020-25704)

Vulnerability from cvelistv5

Published

2020-12-02 00:00

Modified

2024-08-04 15:40

Severity ?

CWE

CWE-401

Summary

A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1895961
	https://www.openwall.com/lists/oss-security/2020/11/09/1
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00
	https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	mailing-list
	https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html	mailing-list
	https://www.starwindsoftware.com/security/sw-20220802-0003/

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: kernel 5.10-rc3

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:40:36.653Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1895961"
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            "url": "https://www.openwall.com/lists/oss-security/2020/11/09/1"
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            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7bdb157cdebbf95a1cd94ed2e01b338714075d00"
          },
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            "tags": [
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            ],
            "url": "https://www.starwindsoftware.com/security/sw-20220802-0003/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "kernel",
          "vendor": "n/a",
          "versions": [
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            }
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        },
        {
          "name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update",
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    "assignerShortName": "redhat",
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    "datePublished": "2020-12-02T00:00:00",
    "dateReserved": "2020-09-16T00:00:00",
    "dateUpdated": "2024-08-04T15:40:36.653Z",
    "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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