{"cve":"CVE-2024-44968","nvd":{"published":"2024-09-04T19:15:31.173","modified":"2026-06-17T07:53:19.660","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/541a900d245536d4809cb1aa322c3fcc2cdb58a6","https://git.kernel.org/stable/c/668c6c4a7e9e9f081c06b70f30104fb7013437ed","https://git.kernel.org/stable/c/6881e75237a84093d0986f56223db3724619f26e","https://git.kernel.org/stable/c/7b3ec186ba93e333e9efe7254e7e31c1828e5d2d","https://git.kernel.org/stable/c/7dd12f85f150010ef7518201c63fa7e395f5c3e9"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:54:16.205165117+00:00"},"epss":{"cve":"CVE-2024-44968","score":0.00223,"percentile":0.12959,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}