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CVE-2024-26775 (GCVE-0-2024-26775)

Vulnerability from cvelistv5 – Published: 2024-04-03 17:01 – Updated: 2026-05-11 20:03
VLAI
Title
aoe: avoid potential deadlock at set_capacity
Summary
In the Linux kernel, the following vulnerability has been resolved: aoe: avoid potential deadlock at set_capacity Move set_capacity() outside of the section procected by (&d->lock). To avoid possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- [1] lock(&bdev->bd_size_lock); local_irq_disable(); [2] lock(&d->lock); [3] lock(&bdev->bd_size_lock); <Interrupt> [4] lock(&d->lock); *** DEADLOCK *** Where [1](&bdev->bd_size_lock) hold by zram_add()->set_capacity(). [2]lock(&d->lock) hold by aoeblk_gdalloc(). And aoeblk_gdalloc() is trying to acquire [3](&bdev->bd_size_lock) at set_capacity() call. In this situation an attempt to acquire [4]lock(&d->lock) from aoecmd_cfg_rsp() will lead to deadlock. So the simplest solution is breaking lock dependency [2](&d->lock) -> [3](&bdev->bd_size_lock) by moving set_capacity() outside.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:51 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a782483cc1f875355690625d8253a232f2581418 , < 2499fa286fb010ceb289950050199f33c26667b9 (git)
Affected: a782483cc1f875355690625d8253a232f2581418 , < 2d623c94fbba3554f4446ba6f3c764994e8b0d26 (git)
Affected: a782483cc1f875355690625d8253a232f2581418 , < 673629018ba04906899dcb631beec34d871f709c (git)
Affected: a782483cc1f875355690625d8253a232f2581418 , < 19a77b27163820f793b4d022979ffdca8f659b77 (git)
Affected: a782483cc1f875355690625d8253a232f2581418 , < e169bd4fb2b36c4b2bee63c35c740c85daeb2e86 (git)
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Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.189 , ≤ 5.15.* (semver)
Unaffected: 6.1.80 , ≤ 6.1.* (semver)
Unaffected: 6.6.19 , ≤ 6.6.* (semver)
Unaffected: 6.7.7 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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Para evitar una posible interrupci\u00f3n en un escenario de bloqueo inseguro: CPU0 CPU1 ---- ---- [1] lock(\u0026amp;bdev-\u0026gt;bd_size_lock); local_irq_disable(); [2] bloquear(\u0026amp;d-\u0026gt;bloquear); [3] bloquear(\u0026amp;bdev-\u0026gt;bd_size_lock);  [4] bloqueo(\u0026amp;d-\u0026gt;bloqueo); *** DEADLOCK *** Donde [1](\u0026amp;bdev-\u0026gt;bd_size_lock) mantenido por zram_add()-\u0026gt;set_capacity(). [2]bloqueo(\u0026amp;d-\u0026gt;bloqueo) retenido por aoeblk_gdalloc(). Y aoeblk_gdalloc() est\u00e1 intentando adquirir [3](\u0026amp;bdev-\u0026gt;bd_size_lock) en la llamada set_capacity(). En esta situaci\u00f3n, un intento de adquirir [4]lock(\u0026amp;d-\u0026gt;lock) de aoecmd_cfg_rsp() provocar\u00e1 un punto muerto. Entonces, la soluci\u00f3n m\u00e1s simple es romper la dependencia del bloqueo [2](\u0026amp;d-\u0026gt;lock) -\u0026gt; [3](\u0026amp;bdev-\u0026gt;bd_size_lock) moviendo set_capacity() 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T11:06:24+00:00",
      "cve": "CVE-2024-26775",
      "id": "CVE-2024-26775",
      "initial_release_date": "2024-04-03T00:00:00+00:00",
      "product_status:known_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: aoe: avoid potential deadlock at set_capacity",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-26775.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T01:34:10Z",
      "cve": "CVE-2024-26775",
      "id": "CVE-2024-26775",
      "initial_release_date": "2024-04-11T02:30:57Z",
      "product_status:known_affected": "662",
      "product_status:recommended": "671",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-26775",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-26775.json",
      "version": "85"
    },
    "vulnrichment": {
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And aoeblk_gdalloc()\\nis trying to acquire [3](\u0026bdev-\u003ebd_size_lock) at set_capacity() call.\\nIn this situation an attempt to acquire [4]lock(\u0026d-\u003elock) from\\naoecmd_cfg_rsp() will lead to deadlock.\\n\\nSo the simplest solution is breaking lock dependency\\n[2](\u0026d-\u003elock) -\u003e [3](\u0026bdev-\u003ebd_size_lock) by moving set_capacity()\\noutside.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.189\", \"versionStartIncluding\": \"5.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.80\", \"versionStartIncluding\": \"5.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.19\", \"versionStartIncluding\": \"5.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.7\", \"versionStartIncluding\": \"5.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"5.11\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:03:56.208Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26775\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:03:56.208Z\", \"dateReserved\": \"2024-02-19T14:20:24.176Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-03T17:01:01.299Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

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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.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.