cve-2024-38667
Vulnerability from cvelistv5
Published
2024-06-24 13:52
Modified
2024-11-05 09:31
Severity ?
EPSS score ?
Summary
riscv: prevent pt_regs corruption for secondary idle threads
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-02T04:12:26.094Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/ea22d4195cca13d5fdbc4d6555a2dfb8a7867a9e" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/3090c06d50eaa91317f84bf3eac4c265e6cb8d44" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/0c1f28c32a194303da630fca89481334b9547b80" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/a638b0461b58aa3205cd9d5f14d6f703d795b4af" } ], "title": "CVE Program Container" }, { "metrics": [ { "other": { "content": { "id": "CVE-2024-38667", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-09-10T17:08:46.656306Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-09-11T17:34:43.880Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "arch/riscv/kernel/cpu_ops_sbi.c", "arch/riscv/kernel/cpu_ops_spinwait.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "ea22d4195cca", "status": "affected", "version": "2875fe056156", "versionType": "git" }, { "lessThan": "3090c06d50ea", "status": "affected", "version": "2875fe056156", "versionType": "git" }, { "lessThan": "0c1f28c32a19", "status": "affected", "version": "2875fe056156", "versionType": "git" }, { "lessThan": "a638b0461b58", "status": "affected", "version": "2875fe056156", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "arch/riscv/kernel/cpu_ops_sbi.c", "arch/riscv/kernel/cpu_ops_spinwait.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "5.7" }, { "lessThan": "5.7", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.93", "versionType": "semver" }, { "lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.33", "versionType": "semver" }, { "lessThanOrEqual": "6.9.*", "status": "unaffected", "version": "6.9.4", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: prevent pt_regs corruption for secondary idle threads\n\nTop of the kernel thread stack should be reserved for pt_regs. However\nthis is not the case for the idle threads of the secondary boot harts.\nTheir stacks overlap with their pt_regs, so both may get corrupted.\n\nSimilar issue has been fixed for the primary hart, see c7cdd96eca28\n(\"riscv: prevent stack corruption by reserving task_pt_regs(p) early\").\nHowever that fix was not propagated to the secondary harts. The problem\nhas been noticed in some CPU hotplug tests with V enabled. The function\nsmp_callin stored several registers on stack, corrupting top of pt_regs\nstructure including status field. As a result, kernel attempted to save\nor restore inexistent V context." } ], "providerMetadata": { "dateUpdated": "2024-11-05T09:31:32.574Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/ea22d4195cca13d5fdbc4d6555a2dfb8a7867a9e" }, { "url": "https://git.kernel.org/stable/c/3090c06d50eaa91317f84bf3eac4c265e6cb8d44" }, { "url": "https://git.kernel.org/stable/c/0c1f28c32a194303da630fca89481334b9547b80" }, { "url": "https://git.kernel.org/stable/c/a638b0461b58aa3205cd9d5f14d6f703d795b4af" } ], "title": "riscv: prevent pt_regs corruption for secondary idle threads", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2024-38667", "datePublished": "2024-06-24T13:52:25.399Z", "dateReserved": "2024-06-21T11:16:40.598Z", "dateUpdated": "2024-11-05T09:31:32.574Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-38667\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-24T14:15:12.790\",\"lastModified\":\"2024-06-26T13:53:56.883\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nriscv: prevent pt_regs corruption for secondary idle threads\\n\\nTop of the kernel thread stack should be reserved for pt_regs. However\\nthis is not the case for the idle threads of the secondary boot harts.\\nTheir stacks overlap with their pt_regs, so both may get corrupted.\\n\\nSimilar issue has been fixed for the primary hart, see c7cdd96eca28\\n(\\\"riscv: prevent stack corruption by reserving task_pt_regs(p) early\\\").\\nHowever that fix was not propagated to the secondary harts. The problem\\nhas been noticed in some CPU hotplug tests with V enabled. The function\\nsmp_callin stored several registers on stack, corrupting top of pt_regs\\nstructure including status field. As a result, kernel attempted to save\\nor restore inexistent V context.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: riscv: evita la corrupci\u00f3n de pt_regs para subprocesos inactivos secundarios La parte superior de la pila de subprocesos del kernel debe reservarse para pt_regs. Sin embargo, este no es el caso de los subprocesos inactivos de los corazones de arranque secundarios. Sus pilas se superponen con sus pt_regs, por lo que ambos pueden corromperse. Se ha solucionado un problema similar para el coraz\u00f3n principal; consulte c7cdd96eca28 (\\\"riscv: evite la corrupci\u00f3n de la pila reservando task_pt_regs(p) anticipadamente\\\"). Sin embargo, esa soluci\u00f3n no se propag\u00f3 a los corazones secundarios. El problema se ha observado en algunas pruebas de conexi\u00f3n en caliente de CPU con V habilitado. La funci\u00f3n smp_callin almacen\u00f3 varios registros en la pila, corrompiendo la parte superior de la estructura pt_regs, incluido el campo de estado. Como resultado, el kernel intent\u00f3 guardar o restaurar el contexto V inexistente.\"}],\"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:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.7\",\"matchCriteriaId\":\"C3821E00-CCBB-4CD4-AD2C-D47DFF2F5A34\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1\",\"versionEndExcluding\":\"6.1.93\",\"matchCriteriaId\":\"7446FC33-DC4F-4D31-94B5-FB577CFA66F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6\",\"versionEndExcluding\":\"6.6.33\",\"matchCriteriaId\":\"53BC60D9-65A5-4D8F-96C8-149F09214DBD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.9\",\"versionEndExcluding\":\"6.9.4\",\"matchCriteriaId\":\"A500F935-F0ED-4DC7-AD02-9D7C365D13AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"C40DD2D9-90E3-4E95-9F1A-E7C680F11F2A\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0c1f28c32a194303da630fca89481334b9547b80\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3090c06d50eaa91317f84bf3eac4c265e6cb8d44\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a638b0461b58aa3205cd9d5f14d6f703d795b4af\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ea22d4195cca13d5fdbc4d6555a2dfb8a7867a9e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Mailing List\",\"Patch\"]}]}}" } }
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Sightings
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