github - ghsa-q35c-jr5r-prg7

ghsa-q35c-jr5r-prg7

Vulnerability from github

Published

2024-06-24 15:31

Modified

2024-07-03 18:46

Severity ?

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

Details

In the Linux kernel, the following vulnerability has been resolved:

blk-cgroup: fix list corruption from reorder of WRITE ->lqueued

__blkcg_rstat_flush() can be run anytime, especially when blk_cgroup_bio_start is being executed.

If WRITE of ->lqueued is re-ordered with READ of 'bisc->lnode.next' in the loop of __blkcg_rstat_flush(), next_bisc can be assigned with one stat instance being added in blk_cgroup_bio_start(), then the local list in __blkcg_rstat_flush() could be corrupted.

Fix the issue by adding one barrier.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2024-38384"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-24T14:15:12Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-cgroup: fix list corruption from reorder of WRITE -\u003elqueued\n\n__blkcg_rstat_flush() can be run anytime, especially when blk_cgroup_bio_start\nis being executed.\n\nIf WRITE of `-\u003elqueued` is re-ordered with READ of \u0027bisc-\u003elnode.next\u0027 in\nthe loop of __blkcg_rstat_flush(), `next_bisc` can be assigned with one\nstat instance being added in blk_cgroup_bio_start(), then the local\nlist in __blkcg_rstat_flush() could be corrupted.\n\nFix the issue by adding one barrier.",
  "id": "GHSA-q35c-jr5r-prg7",
  "modified": "2024-07-03T18:46:25Z",
  "published": "2024-06-24T15:31:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38384"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/714e59b5456e4d6e4295a9968c564abe193f461c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/785298ab6b802afa75089239266b6bbea590809c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0aac2363549e12cc79b8e285f13d5a9f42fd08e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2024-38384

Vulnerability from cvelistv5

Published

2024-06-24 13:50

Modified

2024-12-19 09:03

Severity ?

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

Summary

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix list corruption from reorder of WRITE ->lqueued __blkcg_rstat_flush() can be run anytime, especially when blk_cgroup_bio_start is being executed. If WRITE of `->lqueued` is re-ordered with READ of 'bisc->lnode.next' in the loop of __blkcg_rstat_flush(), `next_bisc` can be assigned with one stat instance being added in blk_cgroup_bio_start(), then the local list in __blkcg_rstat_flush() could be corrupted. Fix the issue by adding one barrier.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/714e59b5456e4d6e4295a9968c564abe193f461c
	https://git.kernel.org/stable/c/785298ab6b802afa75089239266b6bbea590809c
	https://git.kernel.org/stable/c/d0aac2363549e12cc79b8e285f13d5a9f42fd08e

Impacted products

Vendor

Product

Version

▼

Linux

Version: 3b8cc6298724021da845f2f9fd7dd4b6829a6817
Version: 3b8cc6298724021da845f2f9fd7dd4b6829a6817
Version: 3b8cc6298724021da845f2f9fd7dd4b6829a6817

Linux

Version: 6.2

Show details on NVD website

JSON

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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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