cnvd - cnvd-2020-00262

cnvd-2020-00262

Vulnerability from cnvd

Title: Linux kernel slab越界写访问漏洞（CNVD-2020-00262）

Description:

Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。

Linux kernel 5.0.21存在slab越界写访问漏洞。该漏洞源于对数据条带数值1处理不当。攻击者可利用该漏洞导致越界写访问。

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.kernel.org/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-19816

Impacted products

Name
Linux Linux kernel 5.0.21

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2019-19816",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-19816"
    }
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  "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.kernel.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-00262",
  "openTime": "2020-01-03",
  "products": {
    "product": "Linux Linux kernel 5.0.21"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-19816",
  "serverity": "\u9ad8",
  "submitTime": "2019-12-17",
  "title": "Linux kernel slab\u8d8a\u754c\u5199\u8bbf\u95ee\u6f0f\u6d1e\uff08CNVD-2020-00262\uff09"
}

CVE-2019-19816 (GCVE-0-2019-19816)

Vulnerability from cvelistv5

Published

2019-12-17 05:58

Modified

2024-08-05 02:25

Severity ?

CWE

Summary

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in __btrfs_map_block in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled.

References

▼	URL	Tags
	https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19816	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20200103-0001/	x_refsource_CONFIRM
	https://usn.ubuntu.com/4414-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html	mailing-list, x_refsource_MLIST

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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