CVE-2026-43010

{"id": "CVE-2026-43010", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43010", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T15:25:43.868903Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "c2b5e13dee9cc83e664daf4c13077dcc618a44e9", "versionType": "git"}, {"status": "affected", "version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "89327ed787746a7aa4db3c97f91d2e294228932b", "versionType": "git"}, {"status": "affected", "version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "d97b19fe5265f7901b2c862f88a4eb1b129a0b61", "versionType": "git"}, {"status": "affected", "version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "dc9a060d76c12b23c5f378ee115d5e5d03d8bbf3", "versionType": "git"}, {"status": "affected", "version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "f952157e695fd434bdc05af63a703bb082a78717", "versionType": "git"}, {"status": "affected", "version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "eb7024bfcc5f68ed11ed9dd4891a3073c15f04a8", "versionType": "git"}], "programFiles": ["kernel/trace/bpf_trace.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.18"}, {"status": "unaffected", "version": "0", "lessThan": "5.18", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.191", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.144", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.95", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.22", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.12", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["kernel/trace/bpf_trace.c"], "defaultStatus": "affected"}]}], "published": "2026-05-01T15:16:44.887", "references": [{"url": "https://git.kernel.org/stable/c/89327ed787746a7aa4db3c97f91d2e294228932b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c2b5e13dee9cc83e664daf4c13077dcc618a44e9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d97b19fe5265f7901b2c862f88a4eb1b129a0b61", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dc9a060d76c12b23c5f378ee115d5e5d03d8bbf3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/eb7024bfcc5f68ed11ed9dd4891a3073c15f04a8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f952157e695fd434bdc05af63a703bb082a78717", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Reject sleepable kprobe_multi programs at attach time\n\nkprobe.multi programs run in atomic/RCU context and cannot sleep.\nHowever, bpf_kprobe_multi_link_attach() did not validate whether the\nprogram being attached had the sleepable flag set, allowing sleepable\nhelpers such as bpf_copy_from_user() to be invoked from a non-sleepable\ncontext.\n\nThis causes a \"sleeping function called from invalid context\" splat:\n\n BUG: sleeping function called from invalid context at ./include/linux/uaccess.h:169\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1787, name: sudo\n preempt_count: 1, expected: 0\n RCU nest depth: 2, expected: 0\n\nFix this by rejecting sleepable programs early in\nbpf_kprobe_multi_link_attach(), before any further processing."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nbpf: Rechazar programas kprobe_multi que pueden dormir en el momento de la conexi\u00f3n\n\nLos programas kprobe.multi se ejecutan en un contexto at\u00f3mico/RCU y no pueden dormir. Sin embargo, bpf_kprobe_multi_link_attach() no validaba si el programa que se estaba adjuntando ten\u00eda la bandera \u2019que pueden dormir\u2019 establecida, permitiendo que ayudantes que pueden dormir como bpf_copy_from_user() fueran invocados desde un contexto que no puede dormir.\n\nEsto causa un volcado de error de \u201cfunci\u00f3n que duerme llamada desde un contexto inv\u00e1lido\u201d:\n\nBUG: funci\u00f3n que duerme llamada desde un contexto inv\u00e1lido en ./include/linux/uaccess.h:169\nin_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1787, name: sudo\npreempt_count: 1, expected: 0\nRCU nest depth: 2, expected: 0\n\nEsto se soluciona rechazando programas que pueden dormir tempranamente en bpf_kprobe_multi_link_attach(), antes de cualquier procesamiento adicional."}], "lastModified": "2026-11-11T23:10:00.263", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA7097DC-C5FE-499E-96CD-3752ACD6E318", "versionEndExcluding": "6.18.22", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A2B9540-02D5-41B4-B16A-82AF66FD4F36", "versionEndExcluding": "6.19.12", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "02259FDA-961B-47BC-AE7F-93D7EC6E90C2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D2315C0-D46F-4F85-9754-F9E5E11374A6"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}