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FKIE_CVE-2024-35819

Vulnerability from fkie_nvd - Published: 2024-05-17 14:15 - Updated: 2026-06-17 07:35
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2b3fede8225133671ce837c0d284804aa3bc7a02Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/32edca2f03a6cc42c650ddc3ad83d086e3f365d1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/54d26adf64c04f186098b39dba86b86037084baaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a3ca8292ce9fdcce122706c28c3f07bc857fe5ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cd53a8ae5aacb4ecd25088486dea1cd02e74b506Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f39d36b7540cf0088ed7ce2de2794f2aa237f6dfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fbec4e7fed89b579f2483041fabf9650fb0dd6bcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ff50716b7d5b7985979a5b21163cd79fb3d21d59Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2b3fede8225133671ce837c0d284804aa3bc7a02Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/32edca2f03a6cc42c650ddc3ad83d086e3f365d1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/54d26adf64c04f186098b39dba86b86037084baaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9a3ca8292ce9fdcce122706c28c3f07bc857fe5ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cd53a8ae5aacb4ecd25088486dea1cd02e74b506Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f39d36b7540cf0088ed7ce2de2794f2aa237f6dfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/fbec4e7fed89b579f2483041fabf9650fb0dd6bcPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ff50716b7d5b7985979a5b21163cd79fb3d21d59Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlThird Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 4.16
linux linux_kernel 4.16
debian debian_linux 10.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: fsl: qbman: Use raw spinlock for cgr_lock\n\nsmp_call_function always runs its callback in hard IRQ context, even on\nPREEMPT_RT, where spinlocks can sleep. 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."
    },
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      "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 baja."
    }
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  "id": "CVE-2024-35819",
  "lastModified": "2026-06-17T07:35:28.637",
  "metrics": {
    "cvssMetricV31": [
      {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-17T17:39:14.512560Z",
          "version": "2.0.3"
        }
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    ]
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  "published": "2024-05-17T14:15:16.907",
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        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Tags
Taxonomy of the tags.





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.