CVE-2023-53248

drm/amdgpu: install stub fence into potential unused fence pointers

At a glance

Severity: MEDIUM 5.5
EPSS: EPSS 0.15 % · percentile 4 (2026-10-27)
State: PUBLISHED
Published: 2025-09-15
Updated: 2026-05-11
Assigner: Linux
NVD status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: install stub fence into potential unused fence pointers When using cpu to update page tables, vm update fences are unused. Install stub fence into these fence pointers instead of NULL to avoid NULL dereference when calling dma_fence_wait() on them.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-476

European references

ENISA EUVD · EUVD-2023-59836
GCVE · GCVE-0-2023-53248

CERT-FR advisories

CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2026-AVI-0316 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2025-AVI-1070 — Multiples vulnérabilités dans Microsoft CBL Mariner · cert.ssi.gouv.fr
CERTFR-2025-AVI-1032 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2025-AVI-1009 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2025-AVI-0921 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
CERTFR-2025-AVI-0895 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.2 < 6.1.47
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.2 < 6.4.12

Affected products

Product	Versions
Linux · Linux	affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 78b25110eb8c6990f7f5096bc0136c12a2b4cc99 ; affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < aa9e9ba5748c524eb0925a2ef6984b78793646d6 ; affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0
Linux · Linux	affected 4.2 ; unaffected 0 < 4.2 ; unaffected 6.1.47 ≤ 6.1.* ; unaffected 6.4.12 ≤ 6.4.* ; unaffected 6.5 ≤ *

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD