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 (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2c1164ad927e62f122b151493bb183bc11dab8f8 , < 4154e767354140db7804207117e7238fb337b0e7 (git)
Affected: 1229ce1c4acd36f5af97c996420defc43daca635 , < 997ca415384612c8df76d99d9a768e0b3f42b325 (git)
Affected: 755182e1e8667272a082506a2a20b4cdd78ab4c2 , < f6df761182fc953907b18aba5049fc2a044ecb45 (git)
Affected: b1b9f7a494400c0c39f8cd83de3aaa6111c55087 , < ac3e0384073b2408d6cb0d972fee9fcc3776053d (git)
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)
Create a notification for this product.
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\"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-35824\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-05-31T18:40:44.476426Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-31T18:40:48.848Z\"}}], \"cna\": {\"title\": \"misc: lis3lv02d_i2c: Fix regulators getting en-/dis-abled twice on suspend/resume\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2c1164ad927e62f122b151493bb183bc11dab8f8\", \"lessThan\": \"4154e767354140db7804207117e7238fb337b0e7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1229ce1c4acd36f5af97c996420defc43daca635\", \"lessThan\": \"997ca415384612c8df76d99d9a768e0b3f42b325\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"755182e1e8667272a082506a2a20b4cdd78ab4c2\", \"lessThan\": \"f6df761182fc953907b18aba5049fc2a044ecb45\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b1b9f7a494400c0c39f8cd83de3aaa6111c55087\", \"lessThan\": \"ac3e0384073b2408d6cb0d972fee9fcc3776053d\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/misc/lis3lv02d/lis3lv02d_i2c.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.1.77\", \"lessThan\": \"6.1.84\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.6.16\", \"lessThan\": \"6.6.24\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.7.4\", \"lessThan\": \"6.7.12\", \"versionType\": \"semver\"}], \"programFiles\": [\"drivers/misc/lis3lv02d/lis3lv02d_i2c.c\"], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/4154e767354140db7804207117e7238fb337b0e7\"}, {\"url\": \"https://git.kernel.org/stable/c/997ca415384612c8df76d99d9a768e0b3f42b325\"}, {\"url\": \"https://git.kernel.org/stable/c/f6df761182fc953907b18aba5049fc2a044ecb45\"}, {\"url\": \"https://git.kernel.org/stable/c/ac3e0384073b2408d6cb0d972fee9fcc3776053d\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmisc: lis3lv02d_i2c: Fix regulators 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",
      "dataVersion": "5.1"
    }
  }
}


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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.