github - ghsa-3qpw-8jg3-xjrh

ghsa-3qpw-8jg3-xjrh

Vulnerability from github

Published

2022-05-24 19:02

Modified

2022-05-24 19:02

Severity ?

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

Details

In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2021-33034"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-14T23:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.",
  "id": "GHSA-3qpw-8jg3-xjrh",
  "modified": "2022-05-24T19:02:31Z",
  "published": "2022-05-24T19:02:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33034"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c4c8c9544099bb9043a10a5318130a943e32fc3"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW"
    },
    {
      "type": "WEB",
      "url": "https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-hci_send_acl"
    },
    {
      "type": "WEB",
      "url": "https://syzkaller.appspot.com/bug?id=2e1943a94647f7732dd6fc60368642d6e8dc91b1"
    }
  ],
  "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-2021-33034

Vulnerability from cvelistv5

Published

2021-05-14 22:57

Modified

2024-08-03 23:42

Severity ?

Summary

In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.

References

▼	URL	Tags
	https://syzkaller.appspot.com/bug?id=2e1943a94647f7732dd6fc60368642d6e8dc91b1	x_refsource_MISC
	https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-hci_send_acl	x_refsource_MISC
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c4c8c9544099bb9043a10a5318130a943e32fc3	x_refsource_MISC
	https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
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            "url": "https://syzkaller.appspot.com/bug?id=2e1943a94647f7732dd6fc60368642d6e8dc91b1"
          },
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            "url": "https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-hci_send_acl"
          },
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          },
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            "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"
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    "cna": {
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          "url": "https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-hci_send_acl"
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        },
        {
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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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