fkie_cve-2024-41036
Vulnerability from fkie_nvd
Published
2024-07-29 15:15
Modified
2025-11-03 22:17
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: net: ks8851: Fix deadlock with the SPI chip variant When SMP is enabled and spinlocks are actually functional then there is a deadlock with the 'statelock' spinlock between ks8851_start_xmit_spi and ks8851_irq: watchdog: BUG: soft lockup - CPU#0 stuck for 27s! call trace: queued_spin_lock_slowpath+0x100/0x284 do_raw_spin_lock+0x34/0x44 ks8851_start_xmit_spi+0x30/0xb8 ks8851_start_xmit+0x14/0x20 netdev_start_xmit+0x40/0x6c dev_hard_start_xmit+0x6c/0xbc sch_direct_xmit+0xa4/0x22c __qdisc_run+0x138/0x3fc qdisc_run+0x24/0x3c net_tx_action+0xf8/0x130 handle_softirqs+0x1ac/0x1f0 __do_softirq+0x14/0x20 ____do_softirq+0x10/0x1c call_on_irq_stack+0x3c/0x58 do_softirq_own_stack+0x1c/0x28 __irq_exit_rcu+0x54/0x9c irq_exit_rcu+0x10/0x1c el1_interrupt+0x38/0x50 el1h_64_irq_handler+0x18/0x24 el1h_64_irq+0x64/0x68 __netif_schedule+0x6c/0x80 netif_tx_wake_queue+0x38/0x48 ks8851_irq+0xb8/0x2c8 irq_thread_fn+0x2c/0x74 irq_thread+0x10c/0x1b0 kthread+0xc8/0xd8 ret_from_fork+0x10/0x20 This issue has not been identified earlier because tests were done on a device with SMP disabled and so spinlocks were actually NOPs. Now use spin_(un)lock_bh for TX queue related locking to avoid execution of softirq work synchronously that would lead to a deadlock.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0913ec336a6c0c4a2b296bd9f74f8e41c4c83c8cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10fec0cd0e8f56ff06c46bb24254c7d8f8f2bbf0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/80ece00137300d74642f2038c8fe5440deaf9f05Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a0c69c492f4a8fad52f0a97565241c926160c9a4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0913ec336a6c0c4a2b296bd9f74f8e41c4c83c8cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/10fec0cd0e8f56ff06c46bb24254c7d8f8f2bbf0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/80ece00137300d74642f2038c8fe5440deaf9f05Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a0c69c492f4a8fad52f0a97565241c926160c9a4Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10


To clipboard 

{
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              "versionEndExcluding": "6.1.100",
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          "negate": false,
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ks8851: Fix deadlock with the SPI chip variant\n\nWhen SMP is enabled and spinlocks are actually functional then there is\na deadlock with the \u0027statelock\u0027 spinlock between ks8851_start_xmit_spi\nand ks8851_irq:\n\n    watchdog: BUG: soft lockup - CPU#0 stuck for 27s!\n    call trace:\n      queued_spin_lock_slowpath+0x100/0x284\n      do_raw_spin_lock+0x34/0x44\n      ks8851_start_xmit_spi+0x30/0xb8\n      ks8851_start_xmit+0x14/0x20\n      netdev_start_xmit+0x40/0x6c\n      dev_hard_start_xmit+0x6c/0xbc\n      sch_direct_xmit+0xa4/0x22c\n      __qdisc_run+0x138/0x3fc\n      qdisc_run+0x24/0x3c\n      net_tx_action+0xf8/0x130\n      handle_softirqs+0x1ac/0x1f0\n      __do_softirq+0x14/0x20\n      ____do_softirq+0x10/0x1c\n      call_on_irq_stack+0x3c/0x58\n      do_softirq_own_stack+0x1c/0x28\n      __irq_exit_rcu+0x54/0x9c\n      irq_exit_rcu+0x10/0x1c\n      el1_interrupt+0x38/0x50\n      el1h_64_irq_handler+0x18/0x24\n      el1h_64_irq+0x64/0x68\n      __netif_schedule+0x6c/0x80\n      netif_tx_wake_queue+0x38/0x48\n      ks8851_irq+0xb8/0x2c8\n      irq_thread_fn+0x2c/0x74\n      irq_thread+0x10c/0x1b0\n      kthread+0xc8/0xd8\n      ret_from_fork+0x10/0x20\n\nThis issue has not been identified earlier because tests were done on\na device with SMP disabled and so spinlocks were actually NOPs.\n\nNow use spin_(un)lock_bh for TX queue related locking to avoid execution\nof softirq work synchronously that would lead to a deadlock."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ks8851: Se corrige el interbloqueo con la variante del chip SPI Cuando SMP est\u00e1 habilitado y los spinlocks son realmente funcionales, entonces hay un interbloqueo con el spinlock \u0027statelock\u0027 entre ks8851_start_xmit_spi y ks8851_irq: watchdog: ERROR: bloqueo suave: \u00a1CPU n.\u00b0 0 se atasc\u00f3 durante 27 segundos! seguimiento de llamadas: queued_spin_lock_slowpath+0x100/0x284 do_raw_spin_lock+0x34/0x44 ks8851_start_xmit_spi+0x30/0xb8 ks8851_start_xmit+0x14/0x20 netdev_start_xmit+0x40/0x6c 0xbc sch_direct_xmit+0xa4/0x22c __qdisc_run+0x138/0x3fc qdisc_run+0x24/0x3c net_tx_action+ 0xf8/0x130 handle_softirqs+0x1ac/0x1f0 __do_softirq+0x14/0x20 ____do_softirq+0x10/0x1c call_on_irq_stack+0x3c/0x58 do_softirq_own_stack+0x1c/0x28 __irq_exit_rcu+0x54/0x9c _exit_rcu+0x10/0x1c el1_interrupt+0x38/0x50 el1h_64_irq_handler+0x18/0x24 el1h_64_irq+ 0x64/0x68 __netif_schedule+0x6c/0x80 netif_tx_wake_queue+0x38/0x48 ks8851_irq+0xb8/0x2c8 irq_thread_fn+0x2c/0x74 irq_thread+0x10c/0x1b0 kthread+0xc8/0xd8 k+0x10/0x20 Este problema no se identific\u00f3 anteriormente porque se realizaron pruebas en un dispositivo con SMP deshabilitado y, por lo tanto, los spinlocks eran en realidad NOP. Ahora use spin_(un)lock_bh para el bloqueo relacionado con la cola TX para evitar la ejecuci\u00f3n del trabajo de softirq de forma sincr\u00f3nica que conducir\u00eda a un punto muerto."
    }
  ],
  "id": "CVE-2024-41036",
  "lastModified": "2025-11-03T22:17:25.807",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
      }
    ]
  },
  "published": "2024-07-29T15:15:12.170",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0913ec336a6c0c4a2b296bd9f74f8e41c4c83c8c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "tags": [
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/a0c69c492f4a8fad52f0a97565241c926160c9a4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://git.kernel.org/stable/c/0913ec336a6c0c4a2b296bd9f74f8e41c4c83c8c"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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