github - ghsa-73pg-2qfc-2cfm

ghsa-73pg-2qfc-2cfm

Vulnerability from github

Published

2022-05-24 19:11

Modified

2023-07-02 15:30

Severity ?

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

Details

A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-3573"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-08-13T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5.",
  "id": "GHSA-73pg-2qfc-2cfm",
  "modified": "2023-07-02T15:30:14Z",
  "published": "2022-05-24T19:11:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3573"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1966578"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2021/06/08/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2023/07/02/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-3573

Vulnerability from cvelistv5

Published

2021-08-13 00:00

Modified

2024-08-03 17:01

Severity ?

Summary

A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1966578
	https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e305509e678b3a4af2b3cfd410f409f7cdaabb52
	https://www.openwall.com/lists/oss-security/2021/06/08/2
	http://www.openwall.com/lists/oss-security/2023/07/02/1	mailing-list

Impacted products

▼	Vendor	Product
	n/a	kernel

Show details on NVD website

To clipboard

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        "providerMetadata": {
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