github - ghsa-5cqf-vv6j-6f4g

ghsa-5cqf-vv6j-6f4g

Vulnerability from github

Published

2022-05-24 19:15

Modified

2022-05-24 19:15

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

loop_rw_iter in fs/io_uring.c in the Linux kernel through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc//maps for exploitation.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-41073"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-09-19T17:15:00Z",
    "severity": "HIGH"
  },
  "details": "loop_rw_iter in fs/io_uring.c in the Linux kernel through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/\u003cpid\u003e/maps for exploitation.",
  "id": "GHSA-5cqf-vv6j-6f4g",
  "modified": "2022-05-24T19:15:01Z",
  "published": "2022-05-24T19:15:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41073"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20211014-0003"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-4978"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/09/18/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2022/06/04/4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-41073

Vulnerability from cvelistv5

Published

2021-09-19 16:02

Modified

2024-08-04 02:59

Severity ?

Summary

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

References

▼	URL	Tags
	http://www.openwall.com/lists/oss-security/2021/09/18/2	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2021/09/18/2	x_refsource_MISC
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc	x_refsource_MISC
	https://www.debian.org/security/2021/dsa-4978	vendor-advisory, x_refsource_DEBIAN
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/	vendor-advisory, x_refsource_FEDORA
	https://security.netapp.com/advisory/ntap-20211014-0003/	x_refsource_CONFIRM
	http://www.openwall.com/lists/oss-security/2022/06/04/4	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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