cnvd - cnvd-2022-36963

cnvd-2022-36963

Vulnerability from cnvd

Title: Linux kernel资源管理错误漏洞（CNVD-2022-36963）

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 kernel5.17.3 之前版本存在安全漏洞，该漏洞源于io_uring 超时中的竞争条件，fs/io_uring.c具有use-after-free。目前没有详细的漏洞细节提供。

Severity: 中

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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646

Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-29582

Impacted products

Name
Linux kernel <5.17.3

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-29582"
    }
  },
  "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 kernel5.17.3 \u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eio_uring \u8d85\u65f6\u4e2d\u7684\u7ade\u4e89\u6761\u4ef6\uff0cfs/io_uring.c\u5177\u6709use-after-free\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-36963",
  "openTime": "2022-05-13",
  "products": {
    "product": "Linux kernel \u003c5.17.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-29582",
  "serverity": "\u4e2d",
  "submitTime": "2022-04-25",
  "title": "Linux kernel\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2022-36963\uff09"
}

CVE-2022-29582 (GCVE-0-2022-29582)

Vulnerability from cvelistv5

Published

2022-04-22 00:00

Modified

2024-08-03 06:26

Severity ?

CWE

Summary

In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently.

References

▼	URL	Tags
	https://www.openwall.com/lists/oss-security/2022/04/22/3
	https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646
	https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646
	https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3
	http://www.openwall.com/lists/oss-security/2022/04/22/4	mailing-list
	https://www.debian.org/security/2022/dsa-5127	vendor-advisory
	http://www.openwall.com/lists/oss-security/2022/08/08/3	mailing-list
	https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/
	https://github.com/Ruia-ruia/CVE-2022-29582-Exploit
	http://www.openwall.com/lists/oss-security/2024/04/24/3	mailing-list

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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