github - ghsa-c47c-mr8f-8fgf

GHSA-C47C-MR8F-8FGF

Vulnerability from github – Published: 2025-01-11 15:30 – Updated: 2025-10-15 21:31

Details

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

sched/fair: Fix NEXT_BUDDY

Adam reports that enabling NEXT_BUDDY insta triggers a WARN in pick_next_entity().

Moving clear_buddies() up before the delayed dequeue bits ensures no ->next buddy becomes delayed. Further ensure no new ->next buddy ever starts as delayed.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2024-49573"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-11T13:15:24Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/fair: Fix NEXT_BUDDY\n\nAdam reports that enabling NEXT_BUDDY insta triggers a WARN in\npick_next_entity().\n\nMoving clear_buddies() up before the delayed dequeue bits ensures\nno -\u003enext buddy becomes delayed. Further ensure no new -\u003enext buddy\never starts as delayed.",
  "id": "GHSA-c47c-mr8f-8fgf",
  "modified": "2025-10-15T21:31:38Z",
  "published": "2025-01-11T15:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49573"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/493afbd187c4c9cc1642792c0d9ba400c3d6d90d"
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5dbe6816c49197677a5ecce749bd99929da147da"
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-49573 (GCVE-0-2024-49573)

Vulnerability from cvelistv5 – Published: 2025-01-11 12:35 – Updated: 2025-05-04 09:39

Summary

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix NEXT_BUDDY Adam reports that enabling NEXT_BUDDY insta triggers a WARN in pick_next_entity(). Moving clear_buddies() up before the delayed dequeue bits ensures no ->next buddy becomes delayed. Further ensure no new ->next buddy ever starts as delayed.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/5dbe6816c49197677…
	https://git.kernel.org/stable/c/493afbd187c4c9cc1…

Impacted products

Vendor

Product

Version

Linux

Affected: 152e11f6df293e816a6a37c69757033cdc72667d , < 5dbe6816c49197677a5ecce749bd99929da147da (git)
Affected: 152e11f6df293e816a6a37c69757033cdc72667d , < 493afbd187c4c9cc1642792c0d9ba400c3d6d90d (git)

Linux

Affected: 6.12
Unaffected: 0 , < 6.12 (semver)
Unaffected: 6.12.7 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)

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JSON

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  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/sched/fair.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5dbe6816c49197677a5ecce749bd99929da147da",
              "status": "affected",
              "version": "152e11f6df293e816a6a37c69757033cdc72667d",
              "versionType": "git"
            },
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              "status": "affected",
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            },
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              "version": "6.12.7",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
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                }
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        }
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:39:29.429Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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        },
        {
          "url": "https://git.kernel.org/stable/c/493afbd187c4c9cc1642792c0d9ba400c3d6d90d"
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      ],
      "title": "sched/fair: Fix NEXT_BUDDY",
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        "engine": "bippy-1.2.0"
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    "cveId": "CVE-2024-49573",
    "datePublished": "2025-01-11T12:35:37.625Z",
    "dateReserved": "2025-01-11T12:32:49.536Z",
    "dateUpdated": "2025-05-04T09:39:29.429Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-C47C-MR8F-8FGF

CVE-2024-49573 (GCVE-0-2024-49573)

Tags

Sightings

Nomenclature