cnvd - cnvd-2021-19428

cnvd-2021-19428

Vulnerability from cnvd

Title: Linux kernel资源管理错误漏洞（CNVD-2021-19428）

Description:

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。

Linux kernel infiniband hfi1 driver 5.10-rc6之前版本存在安全漏洞，本地攻击者可以利用该漏洞使系统崩溃。

Severity: 中

Patch Name: Linux kernel资源管理错误漏洞（CNVD-2021-19428）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。

Linux kernel infiniband hfi1 driver 5.10-rc6之前版本存在安全漏洞，本地攻击者可以利用该漏洞使系统崩溃。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/infiniband/hw/hfi1/mmu_rb.c?id=3d2a9d642512c21a12d19b9250e7a835dcb41a79

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1901709

Impacted products

Name
Linux Linux kernel <5.10-rc6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-27835",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-27835"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel infiniband hfi1 driver 5.10-rc6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7cfb\u7edf\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1ahttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/infiniband/hw/hfi1/mmu_rb.c?id=3d2a9d642512c21a12d19b9250e7a835dcb41a79",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-19428",
  "openTime": "2021-03-19",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel infiniband hfi1 driver 5.10-rc6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7cfb\u7edf\u5d29\u6e83\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\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-19428\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux  Linux kernel \u003c5.10-rc6"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1901709",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-13",
  "title": "Linux kernel\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-19428\uff09"
}

CVE-2020-27835 (GCVE-0-2020-27835)

Vulnerability from cvelistv5

Published

2021-01-07 17:24

Modified

2024-08-04 16:25

Severity ?

CWE

CWE-416

Summary

A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1901709	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: kernel versions prior to 5.10-rc6

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T16:25:43.607Z",
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901709"
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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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