{"cve":"CVE-2025-40023","nvd":{"published":"2025-10-24T13:15:47.510","modified":"2026-10-19T21:10:00.160","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/vf: Don't expose sysfs attributes not applicable for VFs\n\nVFs can't read BMG_PCIE_CAP(0x138340) register nor access PCODE\n(already guarded by the info.skip_pcode flag) so we shouldn't\nexpose attributes that require any of them to avoid errors like:\n\n [] xe 0000:03:00.1: [drm] Tile0: GT0: VF is trying to read an \\\n                     inaccessible register 0x138340+0x0\n [] RIP: 0010:xe_gt_sriov_vf_read32+0x6c2/0x9a0 [xe]\n [] Call Trace:\n []  xe_mmio_read32+0x110/0x280 [xe]\n []  auto_link_downgrade_capable_show+0x2e/0x70 [xe]\n []  dev_attr_show+0x1a/0x70\n []  sysfs_kf_seq_show+0xaa/0x120\n []  kernfs_seq_show+0x41/0x60\n\n(cherry picked from commit a2d6223d224f333f705ed8495bf8bebfbc585c35)","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/500dad428e5b0de4c1bdfa893822a6e06ddad0b5","https://git.kernel.org/stable/c/bacbadedbba737da8ae6e0464bc0971c30cda4cb"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-40023","score":0.00184,"percentile":0.07954,"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."]}