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CVE-2024-35819 (GCVE-0-2024-35819)

Vulnerability from cvelistv5 – Published: 2024-05-17 13:23 – Updated: 2026-05-23 15:43
VLAI
Title
soc: fsl: qbman: Use raw spinlock for cgr_lock
Summary
In the Linux kernel, the following vulnerability has been resolved: soc: fsl: qbman: Use raw spinlock for cgr_lock smp_call_function always runs its callback in hard IRQ context, even on PREEMPT_RT, where spinlocks can sleep. So we need to use a raw spinlock for cgr_lock to ensure we aren't waiting on a sleeping task. Although this bug has existed for a while, it was not apparent until commit ef2a8d5478b9 ("net: dpaa: Adjust queue depth on rate change") which invokes smp_call_function_single via qman_update_cgr_safe every time a link goes up or down.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-17 17:39 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < 2b3fede8225133671ce837c0d284804aa3bc7a02 (git)
Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < ff50716b7d5b7985979a5b21163cd79fb3d21d59 (git)
Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < 32edca2f03a6cc42c650ddc3ad83d086e3f365d1 (git)
Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < 9a3ca8292ce9fdcce122706c28c3f07bc857fe5e (git)
Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14 (git)
Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < 54d26adf64c04f186098b39dba86b86037084baa (git)
Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < f39d36b7540cf0088ed7ce2de2794f2aa237f6df (git)
Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < cd53a8ae5aacb4ecd25088486dea1cd02e74b506 (git)
Affected: 96f413f47677366e0ae03797409bfcc4151dbf9e , < fbec4e7fed89b579f2483041fabf9650fb0dd6bc (git)
Affected: a85c525bbff4d7467d7f0ab6fed8e2f787b073d6 (git)
Affected: 29cd9c2d1f428c281962135ea046a9d7bda88d14 (git)
Affected: 5b10a404419f0532ef3ba990c12bebe118adb6d7 (git)
Affected: 4.9.92 , < 4.10 (semver)
Affected: 4.14.32 , < 4.15 (semver)
Affected: 4.15.15 , < 4.16 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 4.16
Unaffected: 0 , < 4.16 (semver)
Unaffected: 4.19.312 , ≤ 4.19.* (semver)
Unaffected: 5.4.274 , ≤ 5.4.* (semver)
Unaffected: 5.10.215 , ≤ 5.10.* (semver)
Unaffected: 5.15.154 , ≤ 5.15.* (semver)
Unaffected: 6.1.84 , ≤ 6.1.* (semver)
Unaffected: 6.6.24 , ≤ 6.6.* (semver)
Unaffected: 6.7.12 , ≤ 6.7.* (semver)
Unaffected: 6.8.3 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Awaiting Analysis"
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So we need to use a raw spinlock\\nfor cgr_lock to ensure we aren\u0027t waiting on a sleeping task.\\n\\nAlthough this bug has existed for a while, it was not apparent until\\ncommit ef2a8d5478b9 (\\\"net: dpaa: Adjust queue depth on rate change\\\")\\nwhich invokes smp_call_function_single via qman_update_cgr_safe every\\ntime a link goes up or down.\"},{\"lang\":\"es\",\"value\":\" En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: soc: fsl: qbman: use spinlock sin formato para cgr_lock smp_call_function siempre ejecuta su devoluci\u00f3n de llamada en un contexto IRQ duro, incluso en PREEMPT_RT, donde los spinlocks pueden dormir. Por lo tanto, necesitamos usar un spinlock sin formato para cgr_lock para asegurarnos de que no estamos esperando una tarea inactiva. Aunque este error ha existido por un tiempo, no fue evidente hasta la confirmaci\u00f3n ef2a8d5478b9 (\\\"net: dpaa: Ajustar la profundidad de la cola al cambiar la velocidad\\\") que invoca smp_call_function_single a trav\u00e9s de qman_update_cgr_safe cada vez que un enlace sube o 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      "id": "CVE-2024-35819",
      "initial_release_date": "2024-05-17T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: soc: fsl: qbman: Use raw spinlock for cgr_lock",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-35819.json",
      "version": "3"
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      "current_release_date": "2026-08-31T00:40:45Z",
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      "id": "CVE-2024-35819",
      "initial_release_date": "2024-05-21T02:00:08Z",
      "product_status:known_affected": "363",
      "product_status:known_not_affected": "121",
      "product_status:recommended": "726",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-35819",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-35819.json",
      "version": "115"
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}



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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

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.


Related by attack behaviour

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.