cnvd - cnvd-2022-69204

cnvd-2022-69204

Vulnerability from cnvd

Title: Linux kernel权限提升漏洞（CNVD-2022-69204）

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存在权限提升漏洞，该漏洞源于 watch_queue 触发 Linux 内核的内存损坏，攻击者可利用此漏洞获得提升的权限或在系统上造成拒绝服务情况。

Severity: 高

Patch Name: Linux kernel权限提升漏洞（CNVD-2022-69204）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存在权限提升漏洞，该漏洞源于 watch_queue 触发 Linux 内核的内存损坏，攻击者可利用此漏洞获得提升的权限或在系统上造成拒绝服务情况。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb

Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-0995

Impacted products

Name
Linux Linux kernel <5.16

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-0995",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-0995"
    }
  },
  "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\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e watch_queue \u89e6\u53d1 Linux \u5185\u6838\u7684\u5185\u5b58\u635f\u574f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u83b7\u5f97\u63d0\u5347\u7684\u6743\u9650\u6216\u5728\u7cfb\u7edf\u4e0a\u9020\u6210\u62d2\u7edd\u670d\u52a1\u60c5\u51b5\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-69204",
  "openTime": "2022-10-17",
  "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\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e watch_queue \u89e6\u53d1 Linux \u5185\u6838\u7684\u5185\u5b58\u635f\u574f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u83b7\u5f97\u63d0\u5347\u7684\u6743\u9650\u6216\u5728\u7cfb\u7edf\u4e0a\u9020\u6210\u62d2\u7edd\u670d\u52a1\u60c5\u51b5\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\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2022-69204\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c5.16"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-0995",
  "serverity": "\u9ad8",
  "submitTime": "2022-03-22",
  "title": "Linux kernel\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2022-69204\uff09"
}

CVE-2022-0995 (GCVE-0-2022-0995)

Vulnerability from cvelistv5

Published

2022-03-25 18:03

Modified

2024-08-02 23:47

Severity ?

CWE

CWE-787

Summary

An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=2063786	x_refsource_MISC
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb	x_refsource_MISC
	http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html	x_refsource_MISC
	http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20220429-0001/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: kernel 5.17 rc8

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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