CVE-2024-44968

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://git.kernel.org/stable/c/f54abf332a2bc0413cfa8bd6a8511f7aa99faea0", "name": "https://git.kernel.org/stable/c/f54abf332a2bc0413cfa8bd6a8511f7aa99faea0", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/f91fb47ecacc178a83a77eeebd25cbaec18c01d6", "name": "https://git.kernel.org/stable/c/f91fb47ecacc178a83a77eeebd25cbaec18c01d6", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/668c6c4a7e9e9f081c06b70f30104fb7013437ed", "name": "https://git.kernel.org/stable/c/668c6c4a7e9e9f081c06b70f30104fb7013437ed", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/541a900d245536d4809cb1aa322c3fcc2cdb58a6", "name": "https://git.kernel.org/stable/c/541a900d245536d4809cb1aa322c3fcc2cdb58a6", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/7b3ec186ba93e333e9efe7254e7e31c1828e5d2d", "name": "https://git.kernel.org/stable/c/7b3ec186ba93e333e9efe7254e7e31c1828e5d2d", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/b9d604933d5fd72dd37f24e1dc35f778297d745a", "name": "https://git.kernel.org/stable/c/b9d604933d5fd72dd37f24e1dc35f778297d745a", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/7dd12f85f150010ef7518201c63fa7e395f5c3e9", "name": "https://git.kernel.org/stable/c/7dd12f85f150010ef7518201c63fa7e395f5c3e9", "tags": ["Patch"], "refsource": ""}, {"url": "https://git.kernel.org/stable/c/6881e75237a84093d0986f56223db3724619f26e", "name": "https://git.kernel.org/stable/c/6881e75237a84093d0986f56223db3724619f26e", "tags": ["Patch"], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntick/broadcast: Move per CPU pointer access into the atomic section\n\nThe recent fix for making the take over of the broadcast timer more\nreliable retrieves a per CPU pointer in preemptible context.\n\nThis went unnoticed as compilers hoist the access into the non-preemptible\nregion where the pointer is actually used. But of course it's valid that\nthe compiler keeps it at the place where the code puts it which rightfully\ntriggers:\n\n BUG: using smp_processor_id() in preemptible [00000000] code:\n caller is hotplug_cpu__broadcast_tick_pull+0x1c/0xc0\n\nMove it to the actual usage site which is in a non-preemptible region."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2024-44968", "ASSIGNER": "cve@kernel.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2024-09-04T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.10.5", "versionStartIncluding": "6.10.3"}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.6.46", "versionStartIncluding": "6.6.44"}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.1.105", "versionStartIncluding": "6.1.103"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2024-10-03T18:04Z"}