CVE-2025-40023

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/xe/vf: Don&amp;#39;t expose sysfs attributes not applicable for VFs<br /> <br /> VFs can&amp;#39;t read BMG_PCIE_CAP(0x138340) register nor access PCODE<br /> (already guarded by the info.skip_pcode flag) so we shouldn&amp;#39;t<br /> expose attributes that require any of them to avoid errors like:<br /> <br /> [] xe 0000:03:00.1: [drm] Tile0: GT0: VF is trying to read an \<br /> inaccessible register 0x138340+0x0<br /> [] RIP: 0010:xe_gt_sriov_vf_read32+0x6c2/0x9a0 [xe]<br /> [] Call Trace:<br /> [] xe_mmio_read32+0x110/0x280 [xe]<br /> [] auto_link_downgrade_capable_show+0x2e/0x70 [xe]<br /> [] dev_attr_show+0x1a/0x70<br /> [] sysfs_kf_seq_show+0xaa/0x120<br /> [] kernfs_seq_show+0x41/0x60<br /> <br /> (cherry picked from commit a2d6223d224f333f705ed8495bf8bebfbc585c35)