CVE-2025-40023
mediumpriority · track · 0EPSS 0.002 · 8 %ileDEEURUEPSS · scored 2026-10-26
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)
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (19)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2407Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2025-10-26csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://git.kernel.org/stable/c/500dad428e5b0de4c1bdfa893822a6e06ddad0b5cnnvd
- https://git.kernel.org/stable/c/bacbadedbba737da8ae6e0464bc0971c30cda4cbcnnvd
- https://vigilance.fr/vulnerability/Linux-kernel-multiple-vulnerabilities-dated-24-10-2025-48577cnnvd
- https://www.kernel.org/Patchcnnvd
- https://git.kernel.org/stable/c/500dad428e5b0de4c1bdfa893822a6e06ddad0b5enisa_euvd
- https://git.kernel.org/stable/c/bacbadedbba737da8ae6e0464bc0971c30cda4cbenisa_euvd
- https://git.kernel.org/stable/c/500dad428e5b0de4c1bdfa893822a6e06ddad0b5nvd
- https://git.kernel.org/stable/c/bacbadedbba737da8ae6e0464bc0971c30cda4cbnvd
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