github - ghsa-qg8q-9c83-3485

ghsa-qg8q-9c83-3485

Vulnerability from github

Published

2024-06-20 12:31

Modified

2024-08-20 15:32

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, the following vulnerability has been resolved:

rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()

While looking at one unrelated syzbot bug, I found the replay logic in __rtnl_newlink() to potentially trigger use-after-free.

It is better to clear master_dev and m_ops inside the loop, in case we have to replay it.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2022-48742"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-20T12:15:12Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nrtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()\n\nWhile looking at one unrelated syzbot bug, I found the replay logic\nin __rtnl_newlink() to potentially trigger use-after-free.\n\nIt is better to clear master_dev and m_ops inside the loop,\nin case we have to replay it.",
  "id": "GHSA-qg8q-9c83-3485",
  "modified": "2024-08-20T15:32:11Z",
  "published": "2024-06-20T12:31:21Z",
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-48742"
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}

cve-2022-48742

Vulnerability from cvelistv5

Published

2024-06-20 11:13

Modified

2024-12-19 08:06

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink() While looking at one unrelated syzbot bug, I found the replay logic in __rtnl_newlink() to potentially trigger use-after-free. It is better to clear master_dev and m_ops inside the loop, in case we have to replay it.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/2cf180360d66bd657e606c1217e0e668e6faa303
	https://git.kernel.org/stable/c/7d9211678c0f0624f74cdff36117ab8316697bb8
	https://git.kernel.org/stable/c/a01e60a1ec6bef9be471fb7182a33c6d6f124e93
	https://git.kernel.org/stable/c/bd43771ee9759dd9dfae946bff190e2c5a120de5
	https://git.kernel.org/stable/c/3bbe2019dd12b8d13671ee6cda055d49637b4c39
	https://git.kernel.org/stable/c/def5e7070079b2a214b3b1a2fbec623e6fbfe34a
	https://git.kernel.org/stable/c/36a9a0aee881940476b254e0352581401b23f210
	https://git.kernel.org/stable/c/c6f6f2444bdbe0079e41914a35081530d0409963

Impacted products

Vendor

Product

Version

▼

Linux

Version: ba7d49b1f0f8e5f24294a880ed576964059af5ef
Version: ba7d49b1f0f8e5f24294a880ed576964059af5ef
Version: ba7d49b1f0f8e5f24294a880ed576964059af5ef
Version: ba7d49b1f0f8e5f24294a880ed576964059af5ef
Version: ba7d49b1f0f8e5f24294a880ed576964059af5ef
Version: ba7d49b1f0f8e5f24294a880ed576964059af5ef
Version: ba7d49b1f0f8e5f24294a880ed576964059af5ef
Version: ba7d49b1f0f8e5f24294a880ed576964059af5ef

Linux

Version: 3.14

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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