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CVE-2024-56745 (GCVE-0-2024-56745)

Vulnerability from cvelistv5 – Published: 2024-12-29 11:30 – Updated: 2026-05-11 20:58
VLAI
Title
PCI: Fix reset_method_store() memory leak
Summary
In the Linux kernel, the following vulnerability has been resolved: PCI: Fix reset_method_store() memory leak In reset_method_store(), a string is allocated via kstrndup() and assigned to the local "options". options is then used in with strsep() to find spaces: while ((name = strsep(&options, " ")) != NULL) { If there are no remaining spaces, then options is set to NULL by strsep(), so the subsequent kfree(options) doesn't free the memory allocated via kstrndup(). Fix by using a separate tmp_options to iterate with strsep() so options is preserved.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-17 20:10 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d88f521da3efd698e36d0d504a2abba6ac4f5ef8 , < 403efb4457c0c8f8f51e904cc57d39193780c6bd (git)
Affected: d88f521da3efd698e36d0d504a2abba6ac4f5ef8 , < 931d07ccffcc3614f20aaf602b31e89754e21c59 (git)
Affected: d88f521da3efd698e36d0d504a2abba6ac4f5ef8 , < 8e098baf6bc3f3a6aefc383509aba07e202f7ee0 (git)
Affected: d88f521da3efd698e36d0d504a2abba6ac4f5ef8 , < 543d0eb40e45c6a51f1bff02f417b602e54472d5 (git)
Affected: d88f521da3efd698e36d0d504a2abba6ac4f5ef8 , < fe6fae61f3b993160aef5fe2b7141a83872c144f (git)
Affected: d88f521da3efd698e36d0d504a2abba6ac4f5ef8 , < 2985b1844f3f3447f2d938eff1ef6762592065a5 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.174 , ≤ 5.15.* (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.11.11 , ≤ 6.11.* (semver)
Unaffected: 6.12.2 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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Luego, se usa options con strsep() para buscar espacios: while ((name = strsep(\u0026amp;options, \\\" \\\")) != NULL) { Si no quedan espacios, strsep() establece options en NULL, por lo que el kfree(options) posterior no libera la memoria asignada a trav\u00e9s de kstrndup(). Se soluciona utilizando un tmp_options separado para iterar con strsep() de modo que se preserve options.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/pci/pci.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\",\"lessThan\":\"403efb4457c0c8f8f51e904cc57d39193780c6bd\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\",\"lessThan\":\"931d07ccffcc3614f20aaf602b31e89754e21c59\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\",\"lessThan\":\"8e098baf6bc3f3a6aefc383509aba07e202f7ee0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\",\"lessThan\":\"543d0eb40e45c6a51f1bff02f417b602e54472d5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\",\"lessThan\":\"fe6fae61f3b993160aef5fe2b7141a83872c144f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\",\"lessThan\":\"2985b1844f3f3447f2d938eff1ef6762592065a5\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/pci/pci.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.15\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.15\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.174\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.120\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.64\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.11\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.2\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":3.3,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":1.8,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-04-17T20:10:17.735129Z\",\"id\":\"CVE-2024-56745\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15\",\"versionEndExcluding\":\"5.15.174\",\"matchCriteriaId\":\"005C9407-09BA-46F6-A8A9-A04EED9F948E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.120\",\"matchCriteriaId\":\"09AC6122-E2A4-40FE-9D33-268A1B2EC265\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.64\",\"matchCriteriaId\":\"CA16DEE3-ABEC-4449-9F4A-7A3DC4FC36C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.11\",\"matchCriteriaId\":\"21434379-192D-472F-9B54-D45E3650E893\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12\",\"versionEndExcluding\":\"6.12.2\",\"matchCriteriaId\":\"D8882B1B-2ABC-4838-AC1D-DBDBB5764776\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2985b1844f3f3447f2d938eff1ef6762592065a5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/403efb4457c0c8f8f51e904cc57d39193780c6bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/543d0eb40e45c6a51f1bff02f417b602e54472d5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8e098baf6bc3f3a6aefc383509aba07e202f7ee0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/931d07ccffcc3614f20aaf602b31e89754e21c59\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fe6fae61f3b993160aef5fe2b7141a83872c144f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T13:56:14+00:00",
      "cve": "CVE-2024-56745",
      "id": "CVE-2024-56745",
      "initial_release_date": "2024-12-29T00:00:00+00:00",
      "product_status:known_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: PCI: Fix reset_method_store() memory leak",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-56745.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T16:40:46Z",
      "cve": "CVE-2024-56745",
      "id": "CVE-2024-56745",
      "initial_release_date": "2024-12-30T03:48:15Z",
      "product_status:known_affected": "431",
      "product_status:known_not_affected": "338",
      "product_status:recommended": "459",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-56745",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-56745.json",
      "version": "66"
    },
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-01-20T06:27:16.240Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nPCI: Fix reset_method_store() memory leak\\n\\nIn reset_method_store(), a string is allocated via kstrndup() and assigned\\nto the local \\\"options\\\". options is then used in with strsep() to find\\nspaces:\\n\\n  while ((name = strsep(\u0026options, \\\" \\\")) != NULL) {\\n\\nIf there are no remaining spaces, then options is set to NULL by strsep(),\\nso the subsequent kfree(options) doesn\u0027t free the memory allocated via\\nkstrndup().\\n\\nFix by using a separate tmp_options to iterate with strsep() so options is\\npreserved.\"}], \"affected\": [{\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"unaffected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"drivers/pci/pci.c\"], \"versions\": [{\"version\": \"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\", \"lessThan\": \"403efb4457c0c8f8f51e904cc57d39193780c6bd\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\", \"lessThan\": \"931d07ccffcc3614f20aaf602b31e89754e21c59\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\", \"lessThan\": \"8e098baf6bc3f3a6aefc383509aba07e202f7ee0\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\", \"lessThan\": \"543d0eb40e45c6a51f1bff02f417b602e54472d5\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\", \"lessThan\": \"fe6fae61f3b993160aef5fe2b7141a83872c144f\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"d88f521da3efd698e36d0d504a2abba6ac4f5ef8\", \"lessThan\": \"2985b1844f3f3447f2d938eff1ef6762592065a5\", \"status\": \"affected\", \"versionType\": \"git\"}]}, {\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"affected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"drivers/pci/pci.c\"], \"versions\": [{\"version\": \"5.15\", \"status\": \"affected\"}, {\"version\": \"0\", \"lessThan\": \"5.15\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.15.174\", \"lessThanOrEqual\": \"5.15.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.1.120\", \"lessThanOrEqual\": \"6.1.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.6.64\", \"lessThanOrEqual\": \"6.6.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.11.11\", \"lessThanOrEqual\": \"6.11.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.12.2\", \"lessThanOrEqual\": \"6.12.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.13\", \"lessThanOrEqual\": \"*\", \"status\": \"unaffected\", \"versionType\": \"original_commit_for_fix\"}]}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/403efb4457c0c8f8f51e904cc57d39193780c6bd\"}, {\"url\": \"https://git.kernel.org/stable/c/931d07ccffcc3614f20aaf602b31e89754e21c59\"}, {\"url\": \"https://git.kernel.org/stable/c/8e098baf6bc3f3a6aefc383509aba07e202f7ee0\"}, {\"url\": \"https://git.kernel.org/stable/c/543d0eb40e45c6a51f1bff02f417b602e54472d5\"}, {\"url\": \"https://git.kernel.org/stable/c/fe6fae61f3b993160aef5fe2b7141a83872c144f\"}, {\"url\": \"https://git.kernel.org/stable/c/2985b1844f3f3447f2d938eff1ef6762592065a5\"}], \"title\": \"PCI: Fix reset_method_store() memory leak\", \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}}, \"adp\": [{\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 3.3, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-56745\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-17T20:10:17.735129Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2025-04-17T20:10:19.323Z\"}, \"title\": \"CISA ADP Vulnrichment\"}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-56745\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2024-12-29T11:26:39.758Z\", \"datePublished\": \"2024-12-29T11:30:12.434Z\", \"dateUpdated\": \"2025-01-20T06:27:16.240Z\"}",
      "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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.