{"id":"CVE-2025-40023","summary":"drm/xe/vf: Don't expose sysfs attributes not applicable for VFs","details":"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)","modified":"2026-08-12T03:51:09.542076592Z","published":"2025-10-24T12:24:58.554Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40023.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/500dad428e5b0de4c1bdfa893822a6e06ddad0b5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bacbadedbba737da8ae6e0464bc0971c30cda4cb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40023.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40023"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0e414bf7ad012e55c8a0aa4e91f68cb1cf5801ff"},{"fixed":"bacbadedbba737da8ae6e0464bc0971c30cda4cb"},{"fixed":"500dad428e5b0de4c1bdfa893822a6e06ddad0b5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40023.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.16.0"},{"fixed":"6.16.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40023.json"}}],"schema_version":"1.9.0"}