{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-44968", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "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": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "dfe19aa91378", "version_value": "f54abf332a2b" }, { "version_affected": "<", "version_name": "457a1c87d454", "version_value": "f91fb47ecacc" }, { "version_affected": "<", "version_name": "9ef719022814", "version_value": "668c6c4a7e9e" }, { "version_affected": "<", "version_name": "d3b165c10473", "version_value": "541a900d2455" }, { "version_affected": "<", "version_name": "408bfb6b0a7f", "version_value": "7b3ec186ba93" }, { "version_affected": "<", "version_name": "3a58c590f6bd", "version_value": "b9d604933d5f" }, { "version_affected": "<", "version_name": "2cdab4b4bf77", "version_value": "7dd12f85f150" }, { "version_affected": "<", "version_name": "f7d43dd206e7", "version_value": "6881e75237a8" }, { "version_affected": "<", "version_name": "6.1.103", "version_value": "6.1.105" }, { "version_affected": "<", "version_name": "6.6.44", "version_value": "6.6.46" }, { "version_affected": "<", "version_name": "6.10.3", "version_value": "6.10.5" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/f54abf332a2bc0413cfa8bd6a8511f7aa99faea0", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f54abf332a2bc0413cfa8bd6a8511f7aa99faea0" }, { "url": "https://git.kernel.org/stable/c/f91fb47ecacc178a83a77eeebd25cbaec18c01d6", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f91fb47ecacc178a83a77eeebd25cbaec18c01d6" }, { "url": "https://git.kernel.org/stable/c/668c6c4a7e9e9f081c06b70f30104fb7013437ed", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/668c6c4a7e9e9f081c06b70f30104fb7013437ed" }, { "url": "https://git.kernel.org/stable/c/541a900d245536d4809cb1aa322c3fcc2cdb58a6", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/541a900d245536d4809cb1aa322c3fcc2cdb58a6" }, { "url": "https://git.kernel.org/stable/c/7b3ec186ba93e333e9efe7254e7e31c1828e5d2d", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7b3ec186ba93e333e9efe7254e7e31c1828e5d2d" }, { "url": "https://git.kernel.org/stable/c/b9d604933d5fd72dd37f24e1dc35f778297d745a", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/b9d604933d5fd72dd37f24e1dc35f778297d745a" }, { "url": "https://git.kernel.org/stable/c/7dd12f85f150010ef7518201c63fa7e395f5c3e9", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7dd12f85f150010ef7518201c63fa7e395f5c3e9" }, { "url": "https://git.kernel.org/stable/c/6881e75237a84093d0986f56223db3724619f26e", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/6881e75237a84093d0986f56223db3724619f26e" } ] }, "generator": { "engine": "bippy-9e1c9544281a" } }