{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47006", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.952Z", "datePublished": "2024-02-28T08:13:26.541Z", "dateUpdated": "2026-05-11T13:46:08.152Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:46:08.152Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook\n\nThe commit 1879445dfa7b (\"perf/core: Set event's default\n::overflow_handler()\") set a default event->overflow_handler in\nperf_event_alloc(), and replace the check event->overflow_handler with\nis_default_overflow_handler(), but one is missing.\n\nCurrently, the bp->overflow_handler can not be NULL. As a result,\nenable_single_step() is always not invoked.\n\nComments from Zhen Lei:\n\n https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210207105934.2001-1-thunder.leizhen@huawei.com/" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/arm/kernel/hw_breakpoint.c" ], "versions": [ { "version": "1879445dfa7bbd6fe21b09c5cc72f4934798afed", "lessThan": "555a70f7fff03bd669123487905c47ae27dbdaac", "status": "affected", "versionType": "git" }, { "version": "1879445dfa7bbd6fe21b09c5cc72f4934798afed", "lessThan": "ed1f67465327cec4457bb988775245b199da86e6", "status": "affected", "versionType": "git" }, { "version": "1879445dfa7bbd6fe21b09c5cc72f4934798afed", "lessThan": "a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb", "status": "affected", "versionType": "git" }, { "version": "1879445dfa7bbd6fe21b09c5cc72f4934798afed", "lessThan": "3ed8832aeaa9a37b0fc386bb72ff604352567c80", "status": "affected", "versionType": "git" }, { "version": "1879445dfa7bbd6fe21b09c5cc72f4934798afed", "lessThan": "630146203108bf6b8934eec0dfdb3e46dcb917de", "status": "affected", "versionType": "git" }, { "version": "1879445dfa7bbd6fe21b09c5cc72f4934798afed", "lessThan": "7eeacc6728c5478e3c01bc82a1f08958eaa12366", "status": "affected", "versionType": "git" }, { "version": "1879445dfa7bbd6fe21b09c5cc72f4934798afed", "lessThan": "dabe299425b1a53a69461fed7ac8922ea6733a25", "status": "affected", "versionType": "git" }, { "version": "1879445dfa7bbd6fe21b09c5cc72f4934798afed", "lessThan": "a506bd5756290821a4314f502b4bafc2afcf5260", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/arm/kernel/hw_breakpoint.c" ], "versions": [ { "version": "4.7", "status": "affected" }, { "version": "0", "lessThan": "4.7", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.269", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.233", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.191", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.120", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.38", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.11.22", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.5", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "4.9.269" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "4.14.233" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "4.19.191" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "5.4.120" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "5.10.38" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "5.11.22" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "5.12.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/555a70f7fff03bd669123487905c47ae27dbdaac" }, { "url": "https://git.kernel.org/stable/c/ed1f67465327cec4457bb988775245b199da86e6" }, { "url": "https://git.kernel.org/stable/c/a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb" }, { "url": "https://git.kernel.org/stable/c/3ed8832aeaa9a37b0fc386bb72ff604352567c80" }, { "url": "https://git.kernel.org/stable/c/630146203108bf6b8934eec0dfdb3e46dcb917de" }, { "url": "https://git.kernel.org/stable/c/7eeacc6728c5478e3c01bc82a1f08958eaa12366" }, { "url": "https://git.kernel.org/stable/c/dabe299425b1a53a69461fed7ac8922ea6733a25" }, { "url": "https://git.kernel.org/stable/c/a506bd5756290821a4314f502b4bafc2afcf5260" } ], "title": "ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information" } ] } ], "metrics": [ { "cvssV3_1": { "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" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2024-02-28T18:46:26.616879Z", "id": "CVE-2021-47006", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-07T15:32:26.528Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.819Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/555a70f7fff03bd669123487905c47ae27dbdaac", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/ed1f67465327cec4457bb988775245b199da86e6", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3ed8832aeaa9a37b0fc386bb72ff604352567c80", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/630146203108bf6b8934eec0dfdb3e46dcb917de", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/7eeacc6728c5478e3c01bc82a1f08958eaa12366", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/dabe299425b1a53a69461fed7ac8922ea6733a25", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/a506bd5756290821a4314f502b4bafc2afcf5260", "tags": [ "x_transferred" ] } ] } ] } }