{"cve":"CVE-2026-99003","nvd":{"published":"2026-10-23T13:17:22.670","modified":"2026-10-23T13:17:22.670","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panthor: validate userspace queue count against initialized firmware slot count\n\nIn panthor_drv.c:panthor_ioctl_group_create(),\nthe queue count is validated against the hardcoded maximum:\n\n\tif (!args->queues.count || args->queues.count > MAX_CS_PER_CSG)\n\t\treturn -EINVAL;\n\nHowever, if the firmware reports fewer slots than MAX_CS_PER_CSG,\npanthor_fw_init_ifaces() will only initialize that smaller number of\nstream interfaces.\n\nIf unprivileged userspace requests more queues than the firmware reported\n(but no more than MAX_CS_PER_CSG), cs_slot_prog_locked() fetches an\nuninitialized stream interface and may crash when dereferencing\ncs_iface->input->ringbuf_base.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/4487cf79bf173f2b426a02d102076f8a20d23b96","https://git.kernel.org/stable/c/9be126be5f78bc331a930295af97c9b1f9158f06","https://git.kernel.org/stable/c/ec86c43dcfff68eab4db9bdafcd3e2b16e342e18","https://git.kernel.org/stable/c/fdee3570b282a6c8699aea63fa5694355e010ec9"],"products":[],"source":"nvd","synced_at":"2026-10-23T16:39:28.036610720+00:00"},"epss":{"cve":"CVE-2026-99003","score":0.00168,"percentile":0.06106,"date":"2026-10-25"},"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."]}