cnvd - cnvd-2019-44555

cnvd-2019-44555

Vulnerability from cnvd

Title: Linux kernel本地拒绝服务漏洞（CNVD-2019-44555）

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 5.4.1及之前版本中的kernel/relay.c文件的relay_open存在安全漏洞。本地攻击者可利用该漏洞造成拒绝服务。

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://www.kernel.org/

Reference: https://lore.kernel.org/lkml/20191129013745.7168-1-dja@axtens.net/ https://syzkaller.appspot.com/bug?id=e4265490d26d6c01cd9bc79dc915ef0a1bf15046

Impacted products

Name
Linux Linux kernel <=5.4.1

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-19462"
    }
  },
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-44555",
  "openTime": "2019-12-10",
  "products": {
    "product": "Linux Linux kernel \u003c=5.4.1"
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  "serverity": "\u4f4e",
  "submitTime": "2019-12-02",
  "title": "Linux kernel\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-44555\uff09"
}

CVE-2019-19462 (GCVE-0-2019-19462)

Vulnerability from cvelistv5

Published

2019-11-30 00:57

Modified

2024-08-05 02:16

Severity ?

CWE

Summary

relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.

References

▼	URL	Tags
	https://syzkaller-ppc64.appspot.com/bug?id=1c09906c83a8ea811a9e318c2a4f8e243becc6f8	x_refsource_MISC
	https://syzkaller-ppc64.appspot.com/bug?id=b05b4d005191cc375cdf848c3d4d980308d50531	x_refsource_MISC
	https://syzkaller.appspot.com/bug?id=e4265490d26d6c01cd9bc79dc915ef0a1bf15046	x_refsource_MISC
	https://syzkaller.appspot.com/bug?id=f4d1cb4330bd3ddf4a628332b4285407b2eedd7b	x_refsource_MISC
	https://lore.kernel.org/lkml/20191129013745.7168-1-dja%40axtens.net/	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2020/dsa-4698	vendor-advisory, x_refsource_DEBIAN
	https://www.debian.org/security/2020/dsa-4699	vendor-advisory, x_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html	vendor-advisory, x_refsource_SUSE
	https://usn.ubuntu.com/4414-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4425-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4439-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4440-1/	vendor-advisory, x_refsource_UBUNTU
	https://security.netapp.com/advisory/ntap-20210129-0004/	x_refsource_CONFIRM

Impacted products

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

Show details on NVD website

JSON

To clipboard

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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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