cnvd - cnvd-2021-24272

cnvd-2021-24272

Vulnerability from cnvd

Title: Linux kernel存在未明漏洞（CNVD-2021-24272）

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 5.11.8及之前版本存在安全漏洞，该漏洞允许用户空间直接将数据写入内核堆栈框架。目前没有详细的漏洞细节提供。

Severity: 高

Patch Name: Linux kernel存在未明漏洞（CNVD-2021-24272）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 5.11.8及之前版本存在安全漏洞，该漏洞允许用户空间直接将数据写入内核堆栈框架。目前没有详细的漏洞细节提供。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/?id=cc7a0bb058b85ea03db87169c60c7cfdd5d34678

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-28972

Impacted products

Name
Linux Linux kernel <=5.11.8

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-28972",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-28972"
    }
  },
  "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 5.11.8\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5141\u8bb8\u7528\u6237\u7a7a\u95f4\u76f4\u63a5\u5c06\u6570\u636e\u5199\u5165\u5185\u6838\u5806\u6808\u6846\u67b6\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/?id=cc7a0bb058b85ea03db87169c60c7cfdd5d34678",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-24272",
  "openTime": "2021-04-01",
  "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 5.11.8\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5141\u8bb8\u7528\u6237\u7a7a\u95f4\u76f4\u63a5\u5c06\u6570\u636e\u5199\u5165\u5185\u6838\u5806\u6808\u6846\u67b6\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-24272\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux  Linux kernel \u003c=5.11.8"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-28972",
  "serverity": "\u9ad8",
  "submitTime": "2021-03-26",
  "title": "Linux kernel\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-24272\uff09"
}

CVE-2021-28972 (GCVE-0-2021-28972)

Vulnerability from cvelistv5

Published

2021-03-22 16:53

Modified

2024-08-03 21:55

Severity ?

CWE

Summary

In drivers/pci/hotplug/rpadlpar_sysfs.c in the Linux kernel through 5.11.8, the RPA PCI Hotplug driver has a user-tolerable buffer overflow when writing a new device name to the driver from userspace, allowing userspace to write data to the kernel stack frame directly. This occurs because add_slot_store and remove_slot_store mishandle drc_name '\0' termination, aka CID-cc7a0bb058b8.

References

▼	URL	Tags
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cc7a0bb058b85ea03db87169c60c7cfdd5d34678	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/	vendor-advisory, x_refsource_FEDORA
	https://security.netapp.com/advisory/ntap-20210430-0003/	x_refsource_CONFIRM

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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