CVE-2023-53248

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

I

n 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.

References

Link	Resource
https://git.kernel.org/stable/c/187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0	Patch
https://git.kernel.org/stable/c/78b25110eb8c6990f7f5096bc0136c12a2b4cc99	Patch
https://git.kernel.org/stable/c/aa9e9ba5748c524eb0925a2ef6984b78793646d6	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

03 Dec 2025, 20:36

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/stable/c/187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0 -~~	() https://git.kernel.org/stable/c/187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0 - Patch
References	~~() https://git.kernel.org/stable/c/78b25110eb8c6990f7f5096bc0136c12a2b4cc99 -~~	() https://git.kernel.org/stable/c/78b25110eb8c6990f7f5096bc0136c12a2b4cc99 - Patch
References	~~() https://git.kernel.org/stable/c/aa9e9ba5748c524eb0925a2ef6984b78793646d6 -~~	() https://git.kernel.org/stable/c/aa9e9ba5748c524eb0925a2ef6984b78793646d6 - Patch
First Time		Linux linux Kernel Linux
CWE		CWE-476
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
CPE		cpe:2.3:o:linux:linux_kernel::::::::

15 Sep 2025, 15:22

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-09-15 15:15

Updated : 2026-01-14 18:16

NVD link : CVE-2023-53248

Mitre link : CVE-2023-53248

CVE.ORG link : CVE-2023-53248

JSON object : View

Products Affected

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2023-53248", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-09-15T15:15:52.040", "references": [{"url": "https://git.kernel.org/stable/c/187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/78b25110eb8c6990f7f5096bc0136c12a2b4cc99", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/aa9e9ba5748c524eb0925a2ef6984b78793646d6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-476"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: install stub fence into potential unused fence pointers\n\nWhen using cpu to update page tables, vm update fences are unused.\nInstall stub fence into these fence pointers instead of NULL\nto avoid NULL dereference when calling dma_fence_wait() on them."}], "lastModified": "2026-01-14T18:16:36.830", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E2B663A2-B1DE-4295-920F-3DEB478483C2", "versionEndExcluding": "6.1.47", "versionStartIncluding": "4.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF8ECF64-40AE-49AB-8315-4D83F9F56ECF", "versionEndExcluding": "6.4.12", "versionStartIncluding": "6.2"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}