CVE-2024-41055 (GCVE-0-2024-41055)

Vulnerability from cvelistv5 – Published: 2024-07-29 14:32 – Updated: 2026-05-23 15:51
VLAI
Title
mm: prevent derefencing NULL ptr in pfn_section_valid()
Summary
In the Linux kernel, the following vulnerability has been resolved: mm: prevent derefencing NULL ptr in pfn_section_valid() Commit 5ec8e8ea8b77 ("mm/sparsemem: fix race in accessing memory_section->usage") changed pfn_section_valid() to add a READ_ONCE() call around "ms->usage" to fix a race with section_deactivate() where ms->usage can be cleared. The READ_ONCE() call, by itself, is not enough to prevent NULL pointer dereference. We need to check its value before dereferencing it.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 90ad17575d26874287271127d43ef3c2af876cea , < 0100aeb8a12d51950418e685f879cc80cb8e5982 (git)
Affected: b448de2459b6d62a53892487ab18b7d823ff0529 , < bc17f2377818dca643a74499c3f5333500c90503 (git)
Affected: 68ed9e33324021e9d6b798e9db00ca3093d2012a , < 941e816185661bf2b44b488565d09444ae316509 (git)
Affected: 70064241f2229f7ba7b9599a98f68d9142e81a97 , < 797323d1cf92d09b7a017cfec576d9babf99cde7 (git)
Affected: 5ec8e8ea8b7783fab150cf86404fc38cb4db8800 , < adccdf702b4ea913ded5ff512239e382d7473b63 (git)
Affected: 5ec8e8ea8b7783fab150cf86404fc38cb4db8800 , < 82f0b6f041fad768c28b4ad05a683065412c226e (git)
Affected: 3a01daace71b521563c38bbbf874e14c3e58adb7 (git)
Affected: 5.10.210 , < 5.10.222 (semver)
Affected: 5.15.149 , < 5.15.163 (semver)
Affected: 6.1.76 , < 6.1.100 (semver)
Affected: 6.6.15 , < 6.6.41 (semver)
Affected: 6.7.3 , < 6.8 (semver)
Create a notification for this product.
Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 5.10.222 , ≤ 5.10.* (semver)
Unaffected: 5.15.163 , ≤ 5.15.* (semver)
Unaffected: 6.1.100 , ≤ 6.1.* (semver)
Unaffected: 6.6.41 , ≤ 6.6.* (semver)
Unaffected: 6.9.10 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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We need to check its value before\\ndereferencing it.\"},{\"lang\":\"es\",\"value\":\" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm: evita la eliminaci\u00f3n de la referencia NULL ptr en pfn_section_valid() La confirmaci\u00f3n 5ec8e8ea8b77 (\\\"mm/sparsemem: corrige la ejecuci\u00f3n al acceder a la secci\u00f3n_memoria-\u0026gt;uso\\\") cambi\u00f3 pfn_section_valid() para agregar un READ_ONCE() llame a \\\"ms-\u0026gt;usage\\\" para arreglar una ejecuci\u00f3n con section_deactivate() donde se puede borrar ms-\u0026gt;usage. La llamada READ_ONCE(), por s\u00ed sola, no es suficiente para evitar la desreferencia al puntero NULL. Necesitamos comprobar su valor antes de desreferenciarlo.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.219\",\"versionEndExcluding\":\"5.10.222\",\"matchCriteriaId\":\"138634FF-1840-4C45-8CDE-6174B6F50352\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.149\",\"versionEndExcluding\":\"5.15.163\",\"matchCriteriaId\":\"0720413E-F29A-4C0A-9B57-5158A778C4A2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.76\",\"versionEndExcluding\":\"6.1.100\",\"matchCriteriaId\":\"6BFB68AD-DB7E-4C4C-B598-274D83D12C4B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.15\",\"versionEndExcluding\":\"6.6.41\",\"matchCriteriaId\":\"9D8E9231-015C-48A6-BBDD-9DCEA3145858\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8\",\"versionEndExcluding\":\"6.9.10\",\"matchCriteriaId\":\"6FAC1A24-181A-4DB7-801D-4BDF1B4E4116\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0100aeb8a12d51950418e685f879cc80cb8e5982\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/797323d1cf92d09b7a017cfec576d9babf99cde7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/82f0b6f041fad768c28b4ad05a683065412c226e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/941e816185661bf2b44b488565d09444ae316509\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/adccdf702b4ea913ded5ff512239e382d7473b63\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bc17f2377818dca643a74499c3f5333500c90503\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0100aeb8a12d51950418e685f879cc80cb8e5982\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/797323d1cf92d09b7a017cfec576d9babf99cde7\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/82f0b6f041fad768c28b4ad05a683065412c226e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/941e816185661bf2b44b488565d09444ae316509\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/adccdf702b4ea913ded5ff512239e382d7473b63\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bc17f2377818dca643a74499c3f5333500c90503\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
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The READ_ONCE() call, by itself, is not enough\\nto prevent NULL pointer dereference.  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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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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.