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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-40023

drm/xe/vf: Don't expose sysfs attributes not applicable for VFs

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 0e414bf7ad012e55c8a0aa4e91f68cb1cf5801ff to < bacbadedbba737da8ae6e0464bc0971c30cda4cbaffected
  • 0e414bf7ad012e55c8a0aa4e91f68cb1cf5801ff to < 500dad428e5b0de4c1bdfa893822a6e06ddad0b5affected

Linux Linux

Default version status: affected

  • 6.16affected
  • 0 to < 6.16unaffected
  • 6.16.10 to ≤ 6.16.*unaffected
  • 6.17 to ≤ *unaffected

References