Vulnerability-Lookup

GHSA-XX3R-74M7-RJG4

Vulnerability from github – Published: 2024-05-17 15:31 – Updated: 2025-09-19 18:31

Details

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

md/dm-raid: don't call md_reap_sync_thread() directly

Currently md_reap_sync_thread() is called from raid_message() directly without holding 'reconfig_mutex', this is definitely unsafe because md_reap_sync_thread() can change many fields that is protected by 'reconfig_mutex'.

However, hold 'reconfig_mutex' here is still problematic because this will cause deadlock, for example, commit 130443d60b1b ("md: refactor idle/frozen_sync_thread() to fix deadlock").

Fix this problem by using stop_sync_thread() to unregister sync_thread, like md/raid did.

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-2024-35808"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-667"
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    "nvd_published_at": "2024-05-17T14:15:14Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/dm-raid: don\u0027t call md_reap_sync_thread() directly\n\nCurrently md_reap_sync_thread() is called from raid_message() directly\nwithout holding \u0027reconfig_mutex\u0027, this is definitely unsafe because\nmd_reap_sync_thread() can change many fields that is protected by\n\u0027reconfig_mutex\u0027.\n\nHowever, hold \u0027reconfig_mutex\u0027 here is still problematic because this\nwill cause deadlock, for example, commit 130443d60b1b (\"md: refactor\nidle/frozen_sync_thread() to fix deadlock\").\n\nFix this problem by using stop_sync_thread() to unregister sync_thread,\nlike md/raid did.",
  "id": "GHSA-xx3r-74m7-rjg4",
  "modified": "2025-09-19T18:31:17Z",
  "published": "2024-05-17T15:31:09Z",
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35808"
    },
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    },
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}

CVE-2024-35808 (GCVE-0-2024-35808)

Vulnerability from cvelistv5 – Published: 2024-05-17 13:23 – Updated: 2026-05-11 20:11

Title

md/dm-raid: don't call md_reap_sync_thread() directly

Summary

In the Linux kernel, the following vulnerability has been resolved: md/dm-raid: don't call md_reap_sync_thread() directly Currently md_reap_sync_thread() is called from raid_message() directly without holding 'reconfig_mutex', this is definitely unsafe because md_reap_sync_thread() can change many fields that is protected by 'reconfig_mutex'. However, hold 'reconfig_mutex' here is still problematic because this will cause deadlock, for example, commit 130443d60b1b ("md: refactor idle/frozen_sync_thread() to fix deadlock"). Fix this problem by using stop_sync_thread() to unregister sync_thread, like md/raid did.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/347dcdc15a1706f61…
https://git.kernel.org/stable/c/9e59b8d76ff511505…
https://git.kernel.org/stable/c/cd32b27a66db8776d…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: be83651f0050ca8621d58d35dad558e9c45cb18f , < 347dcdc15a1706f61aa545ae498ededdf31aeebc (git) Affected: be83651f0050ca8621d58d35dad558e9c45cb18f , < 9e59b8d76ff511505eb0dd1478329f09e0f04669 (git) Affected: be83651f0050ca8621d58d35dad558e9c45cb18f , < cd32b27a66db8776d8b8e82ec7d7dde97a8693b0 (git)
Linux	Linux	Affected: 3.10 Unaffected: 0 , < 3.10 (semver) Unaffected: 6.7.12 , ≤ 6.7.* (semver) Unaffected: 6.8.3 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date	Other

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-XX3R-74M7-RJG4

CVE-2024-35808 (GCVE-0-2024-35808)

Tags

Sightings

Nomenclature