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CVE-2024-35824 (GCVE-0-2024-35824)

Vulnerability from cvelistv5 – Published: 2024-05-17 13:27 – Updated: 2026-05-11 20:11
VLAI
Title
misc: lis3lv02d_i2c: Fix regulators getting en-/dis-abled twice on suspend/resume
Summary
In the Linux kernel, the following vulnerability has been resolved: misc: lis3lv02d_i2c: Fix regulators getting en-/dis-abled twice on suspend/resume When not configured for wakeup lis3lv02d_i2c_suspend() will call lis3lv02d_poweroff() even if the device has already been turned off by the runtime-suspend handler and if configured for wakeup and the device is runtime-suspended at this point then it is not turned back on to serve as a wakeup source. Before commit b1b9f7a49440 ("misc: lis3lv02d_i2c: Add missing setting of the reg_ctrl callback"), lis3lv02d_poweroff() failed to disable the regulators which as a side effect made calling poweroff() twice ok. Now that poweroff() correctly disables the regulators, doing this twice triggers a WARN() in the regulator core: unbalanced disables for regulator-dummy WARNING: CPU: 1 PID: 92 at drivers/regulator/core.c:2999 _regulator_disable ... Fix lis3lv02d_i2c_suspend() to not call poweroff() a second time if already runtime-suspended and add a poweron() call when necessary to make wakeup work. lis3lv02d_i2c_resume() has similar issues, with an added weirness that it always powers on the device if it is runtime suspended, after which the first runtime-resume will call poweron() again, causing the enabled count for the regulator to increase by 1 every suspend/resume. These unbalanced regulator_enable() calls cause the regulator to never be turned off and trigger the following WARN() on driver unbind: WARNING: CPU: 1 PID: 1724 at drivers/regulator/core.c:2396 _regulator_put Fix this by making lis3lv02d_i2c_resume() mirror the new suspend().
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-31 18:40 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 2c1164ad927e62f122b151493bb183bc11dab8f8 , < 4154e767354140db7804207117e7238fb337b0e7 (git)
Affected: 1229ce1c4acd36f5af97c996420defc43daca635 , < 997ca415384612c8df76d99d9a768e0b3f42b325 (git)
Affected: 755182e1e8667272a082506a2a20b4cdd78ab4c2 , < f6df761182fc953907b18aba5049fc2a044ecb45 (git)
Affected: b1b9f7a494400c0c39f8cd83de3aaa6111c55087 , < ac3e0384073b2408d6cb0d972fee9fcc3776053d (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.1.77 , < 6.1.84 (semver)
Affected: 6.6.16 , < 6.6.24 (semver)
Affected: 6.7.4 , < 6.7.12 (semver)
guessed Create a notification for this product.
Show details on NVD website
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Corrija lis3lv02d_i2c_suspend() para que no llame a poweroff() una segunda vez si ya est\u00e1 suspendido el tiempo de ejecuci\u00f3n y agregue una llamada a poweron() cuando sea necesario para que la reactivaci\u00f3n funcione. lis3lv02d_i2c_resume() tiene problemas similares, con el inconveniente adicional de que siempre enciende el dispositivo si el tiempo de ejecuci\u00f3n est\u00e1 suspendido, despu\u00e9s de lo cual la primera reanudaci\u00f3n del tiempo de ejecuci\u00f3n llamar\u00e1 a poweron() nuevamente, lo que provocar\u00e1 que el recuento habilitado para el regulador aumente en 1 cada suspender/reanudar. Estas llamadas desequilibradas regulator_enable() hacen que el regulador nunca se apague y activan la siguiente ADVERTENCIA() al desvincular el controlador: ADVERTENCIA: CPU: 1 PID: 1724 en drivers/regulator/core.c:2396 _regulator_put Solucione esto haciendo lis3lv02d_i2c_resume( ) refleja la nueva 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T10:58:58+00:00",
      "cve": "CVE-2024-35824",
      "id": "CVE-2024-35824",
      "initial_release_date": "2024-05-17T00:00:00+00:00",
      "product_status:fixed": "679",
      "product_status:known_affected": "80",
      "product_status:known_not_affected": "8",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: misc: lis3lv02d_i2c: Fix regulators getting en-/dis-abled twice on suspend/resume",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-35824.json",
      "version": "3"
    },
    "vulnrichment": {
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getting en-/dis-abled twice on suspend/resume\\n\\nWhen not configured for wakeup lis3lv02d_i2c_suspend() will call\\nlis3lv02d_poweroff() even if the device has already been turned off\\nby the runtime-suspend handler and if configured for wakeup and\\nthe device is runtime-suspended at this point then it is not turned\\nback on to serve as a wakeup source.\\n\\nBefore commit b1b9f7a49440 (\\\"misc: lis3lv02d_i2c: Add missing setting\\nof the reg_ctrl callback\\\"), lis3lv02d_poweroff() failed to disable\\nthe regulators which as a side effect made calling poweroff() twice ok.\\n\\nNow that poweroff() correctly disables the regulators, doing this twice\\ntriggers a WARN() in the regulator core:\\n\\nunbalanced disables for regulator-dummy\\nWARNING: CPU: 1 PID: 92 at drivers/regulator/core.c:2999 _regulator_disable\\n...\\n\\nFix lis3lv02d_i2c_suspend() to not call poweroff() a second time if\\nalready runtime-suspended and add a poweron() call when necessary to\\nmake wakeup work.\\n\\nlis3lv02d_i2c_resume() has similar issues, with an added weirness that\\nit always powers on the device if it is runtime suspended, after which\\nthe first runtime-resume will call poweron() again, causing the enabled\\ncount for the regulator to increase by 1 every suspend/resume. These\\nunbalanced regulator_enable() calls cause the regulator to never\\nbe turned off and trigger the following WARN() on driver unbind:\\n\\nWARNING: CPU: 1 PID: 1724 at drivers/regulator/core.c:2396 _regulator_put\\n\\nFix this by making lis3lv02d_i2c_resume() mirror the new suspend().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.84\", \"versionStartIncluding\": \"6.1.77\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.24\", \"versionStartIncluding\": \"6.6.16\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.12\", \"versionStartIncluding\": \"6.7.4\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:06:12.860Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35824\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:06:12.860Z\", \"dateReserved\": \"2024-05-17T12:19:12.346Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T13:27:25.357Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
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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

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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.