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EUVD-2026-320635
European Vulnerability Database identifier assigned by ENISAReserved
2026-10-02 07:41
Assigner
ENISA
Alias of
a CVE record, shown under related vulnerabilities.
This identifier carries no description, severity or references of its own:
they belong to that CVE.
{
"assigner": "ENISA",
"date_reserved": "2026-10-02T07:41:55.021261+00:00",
"id": "EUVD-2026-320635"
}
CVE-2024-39476 (GCVE-0-2024-39476)
Vulnerability from cvelistv5 – Published: 2024-07-05 06:55 – Updated: 2026-05-23 15:50
VLAI
EPSS
VEX
Title
md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING
Summary
In the Linux kernel, the following vulnerability has been resolved:
md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING
Xiao reported that lvm2 test lvconvert-raid-takeover.sh can hang with
small possibility, the root cause is exactly the same as commit
bed9e27baf52 ("Revert "md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d"")
However, Dan reported another hang after that, and junxiao investigated
the problem and found out that this is caused by plugged bio can't issue
from raid5d().
Current implementation in raid5d() has a weird dependence:
1) md_check_recovery() from raid5d() must hold 'reconfig_mutex' to clear
MD_SB_CHANGE_PENDING;
2) raid5d() handles IO in a deadloop, until all IO are issued;
3) IO from raid5d() must wait for MD_SB_CHANGE_PENDING to be cleared;
This behaviour is introduce before v2.6, and for consequence, if other
context hold 'reconfig_mutex', and md_check_recovery() can't update
super_block, then raid5d() will waste one cpu 100% by the deadloop, until
'reconfig_mutex' is released.
Refer to the implementation from raid1 and raid10, fix this problem by
skipping issue IO if MD_SB_CHANGE_PENDING is still set after
md_check_recovery(), daemon thread will be woken up when 'reconfig_mutex'
is released. Meanwhile, the hang problem will be fixed as well.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-08 15:14 UTC
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f3d55bd5b7b928ad82f8075d89c908702f3593ab , < b32aa95843cac6b12c2c014d40fca18aef24a347
(git)
Affected: 1c00bb624cd084e2006520ad0edacaff0fb941c4 , < 634ba3c97ec413cb10681c7b196db43ee461ecf4 (git) Affected: 782b3e71c957991ac8ae53318bc369049d49bb53 , < aa64464c8f4d2ab92f6d0b959a1e0767b829d787 (git) Affected: 9e86dffd0b02594d2e7c60c6db9e889c0395414b , < 098d54934814dd876963abfe751c3b1cf7fbe56a (git) Affected: 5e2cf333b7bd5d3e62595a44d598a254c697cd74 , < 3f8d5e802d4cedd445f9a89be8c3fd2d0e99024b (git) Affected: 5e2cf333b7bd5d3e62595a44d598a254c697cd74 , < cd2538e5af495b3c747e503db346470fc1ffc447 (git) Affected: 5e2cf333b7bd5d3e62595a44d598a254c697cd74 , < e332a12f65d8fed8cf63bedb4e9317bb872b9ac7 (git) Affected: 5e2cf333b7bd5d3e62595a44d598a254c697cd74 , < 151f66bb618d1fd0eeb84acb61b4a9fa5d8bb0fa (git) Affected: 7d808fe6af8409cf9f46ed2b10840e5788985e9b (git) Affected: 2cab058f2b147e0b7c01546ba00445e5701861f5 (git) Affected: 91962e40ec3d26e291db230cd45b302da2aff200 (git) Affected: 4.19.262 , < 4.19.316 (semver) Affected: 5.4.220 , < 5.4.278 (semver) Affected: 5.10.150 , < 5.10.219 (semver) Affected: 5.15.75 , < 5.15.161 (semver) Affected: 4.14.296 , < 4.15 (semver) Affected: 5.19.17 , < 5.20 (semver) Affected: 6.0.3 , < 6.1 (semver) |
|
| Linux | Linux |
Affected:
6.1
Unaffected: 0 , < 6.1 (semver) Unaffected: 4.19.316 , ≤ 4.19.* (semver) Unaffected: 5.4.278 , ≤ 5.4.* (semver) Unaffected: 5.10.219 , ≤ 5.10.* (semver) Unaffected: 5.15.161 , ≤ 5.15.* (semver) Unaffected: 6.1.94 , ≤ 6.1.* (semver) Unaffected: 6.6.34 , ≤ 6.6.* (semver) Unaffected: 6.9.5 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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Trend slope:
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(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
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They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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