cve-2024-42235
Vulnerability from cvelistv5
Published
2024-08-07 15:14
Modified
2025-05-04 09:24
Severity ?
EPSS score ?
Summary
s390/mm: Add NULL pointer check to crst_table_free() base_crst_free()
References
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Since crst_table_free() can be called with a NULL pointer\n(error handling in crst_table_upgrade() add an explicit check.\n\nAlso add the same check to base_crst_free() for consistency reasons.\n\nIn real life this should not happen, since order two GFP_KERNEL\nallocations will not fail, unless FAIL_PAGE_ALLOC is enabled and used." } ], "providerMetadata": { "dateUpdated": "2025-05-04T09:24:45.510Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/794fa52b94637d6b2e8c9474fbe3983af5c9f046" }, { "url": "https://git.kernel.org/stable/c/f80bd8bb6f380bc265834c46058d38b34174813e" }, { "url": "https://git.kernel.org/stable/c/b5efb63acf7bddaf20eacfcac654c25c446eabe8" } ], "title": "s390/mm: Add NULL pointer check to crst_table_free() base_crst_free()", "x_generator": { "engine": "bippy-1.2.0" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2024-42235", "datePublished": "2024-08-07T15:14:25.070Z", "dateReserved": "2024-07-30T07:40:12.252Z", "dateUpdated": "2025-05-04T09:24:45.510Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-42235\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-07T16:15:46.460\",\"lastModified\":\"2024-08-08T14:55:16.533\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ns390/mm: Add NULL pointer check to crst_table_free() base_crst_free()\\n\\ncrst_table_free() used to work with NULL pointers before the conversion\\nto ptdescs. Since crst_table_free() can be called with a NULL pointer\\n(error handling in crst_table_upgrade() add an explicit check.\\n\\nAlso add the same check to base_crst_free() for consistency reasons.\\n\\nIn real life this should not happen, since order two GFP_KERNEL\\nallocations will not fail, unless FAIL_PAGE_ALLOC is enabled and used.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: s390/mm: agregue verificaci\u00f3n de puntero NULL a crst_table_free() base_crst_free() crst_table_free() sol\u00eda trabajar con punteros NULL antes de la conversi\u00f3n a ptdescs. Dado que crst_table_free() se puede llamar con un puntero NULL (el manejo de errores en crst_table_upgrade() agrega una verificaci\u00f3n expl\u00edcita. Tambi\u00e9n agregue la misma verificaci\u00f3n a base_crst_free() por razones de coherencia. En la vida real, esto no deber\u00eda suceder, ya que ordenar dos asignaciones GFP_KERNEL no falla, a menos que FAIL_PAGE_ALLOC est\u00e9 habilitado y utilizado.\"}],\"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\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"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\":\"6.6\",\"versionEndExcluding\":\"6.6.41\",\"matchCriteriaId\":\"BBD7DB8F-6881-4008-B9ED-5588CD8061D9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.10\",\"matchCriteriaId\":\"AB2E8DEC-CFD5-4C2B-981D-E7E45A36C352\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/794fa52b94637d6b2e8c9474fbe3983af5c9f046\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b5efb63acf7bddaf20eacfcac654c25c446eabe8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f80bd8bb6f380bc265834c46058d38b34174813e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.