github - ghsa-hxpr-87wq-jwf8

ghsa-hxpr-87wq-jwf8

Vulnerability from github

Published

2023-09-06 15:30

Modified

2023-11-29 15:30

Severity ?

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

Details

A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation.

The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free.

We recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2023-4622"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-09-06T14:15:12Z",
    "severity": "HIGH"
  },
  "details": "A use-after-free vulnerability in the Linux kernel\u0027s af_unix component can be exploited to achieve local privilege escalation.\n\nThe unix_stream_sendpage() function tries to add data to the last skb in the peer\u0027s recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free.\n\nWe recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c.\n\n",
  "id": "GHSA-hxpr-87wq-jwf8",
  "modified": "2023-11-29T15:30:20Z",
  "published": "2023-09-06T15:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4622"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.1.y\u0026id=790c2f9d15b594350ae9bca7b236f2b1859de02c"
    },
    {
      "type": "WEB",
      "url": "https://kernel.dance/790c2f9d15b594350ae9bca7b236f2b1859de02c"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5492"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"
    }
  ],
  "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-2023-4622

Vulnerability from cvelistv5

Published

2023-09-06 13:56

Modified

2024-08-02 07:31

Severity ?

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

Summary

A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation. The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free. We recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c.

References

▼	URL	Tags
	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.1.y&id=790c2f9d15b594350ae9bca7b236f2b1859de02c	patch
	https://kernel.dance/790c2f9d15b594350ae9bca7b236f2b1859de02c
	https://www.debian.org/security/2023/dsa-5492
	https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
	http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
	https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html

Impacted products

Vendor

Product

Version

▼

Linux

Kernel

Version: 4.2 < 6.1.47

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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          "dateUpdated": "2024-08-02T07:31:06.586Z",
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            "url": "https://kernel.dance/790c2f9d15b594350ae9bca7b236f2b1859de02c"
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            "url": "https://www.debian.org/security/2023/dsa-5492"
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            "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
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    "cna": {
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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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