CVE-2023-53753 (GCVE-0-2023-53753)
Vulnerability from cvelistv5 – Published: 2025-12-08 01:19 – Updated: 2026-08-05 09:15
VLAI
EPSS
VEX
Title
drm/amd/display: fix mapping to non-allocated address
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: fix mapping to non-allocated address
[Why]
There is an issue mapping non-allocated location of memory.
It would allocate gpio registers from an array out of bounds.
[How]
Patch correct numbers of bounds for using.
Severity
7.8 (High)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 8ce8a443ddd9002861a4ee8a7e33a0c02717422f
(git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 24aaf6603600d6d1159973c809ea2737664b28c4 (git) Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 9190d4a263264eabf715f5fc1827da45e3fdc247 (git) |
guessed | |
| Linux | Linux |
Affected:
4.15
Unaffected: 0 , < 4.15 (semver) Unaffected: 6.1.16 , ≤ 6.1.* (semver) Unaffected: 6.2.3 , ≤ 6.2.* (semver) Unaffected: 6.3 , ≤ * (original_commit_for_fix) |
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c",
"drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c",
"drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c",
"drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "8ce8a443ddd9002861a4ee8a7e33a0c02717422f",
"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
},
{
"lessThan": "24aaf6603600d6d1159973c809ea2737664b28c4",
"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
},
{
"lessThan": "9190d4a263264eabf715f5fc1827da45e3fdc247",
"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c",
"drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c",
"drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c",
"drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.15"
},
{
"lessThan": "4.15",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"version": "6.2.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.16",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.2.3",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.3",
"versionStartIncluding": "4.15",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix mapping to non-allocated address\n\n[Why]\nThere is an issue mapping non-allocated location of memory.\nIt would allocate gpio registers from an array out of bounds.\n\n[How]\nPatch correct numbers of bounds for using."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The amdgpu/DC display stack is a local device driver; the out-of-bounds indexing is reached through driver initialization and DDC/I2C transactions driven by local DRM ioctls on /dev/dri/card* (forced connector probe \u2192 drm_get_edid \u2192 dc_submit_i2c \u2192 dal_ddc_open \u2192 define_ddc_registers). There is no network-facing path to this code.\nAC:L - On an affected DCN2/DCN3/DCN3.2 board whose VBIOS maps a DDC/OEM-I2C line to the DC_GPIO_DDCVGA_A pad, en==GPIO_DDC_LINE_DDC_VGA is produced deterministically and the \u0026ddc_shift[6]/\u0026ddc_mask[6] overread happens on every gpio open \u2014 no race, no memory-layout grooming, and the attacker can repeat connector probes at will.\nPR:L - An unprivileged local user with a normal DRM/render node handle (video/render group, granted to the active logind session on desktops and to app processes on Android) can force connector detection and EDID/I2C traffic over the affected DDC line; no CAP_SYS_ADMIN or root is required.\nUI:N - The vulnerable path is entered by the driver itself at resource-pool/link init and by any programmatic connector probe or i2c transfer; no victim action such as plugging a monitor or opening a file is needed.\nS:U - The out-of-bounds access and its effects are entirely within the kernel\u0027s own security authority (kernel .rodata read plus GPU register programming by the same driver); no VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is an out-of-bounds read of 40 bytes of kernel .rodata beyond the end of ddc_shift[]/ddc_mask[] \u2014 well past a \"few bytes\" \u2014 and the leaked adjacent kernel constants are consumed as bitfield descriptors whose effect on the GPIO/I2C register state is observable to the caller performing DDC transactions.\nI:H - The out-of-bounds-derived shift and mask values are fed directly into REG_SET/REG_UPDATE read-modify-write sequences against the GPU\u0027s DDC GPIO MASK register, so arbitrary unintended bits of live hardware control registers are overwritten with values the driver never validated.\nA:H - Misprogramming the DDC/I2C pad control bits wedges display detection and I2C on that line, and the global-out-of-bounds access plus the resulting out-of-range shift counts trigger KASAN/UBSAN reports that panic the kernel under panic_on_warn, which is standard on hardened and Android builds."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T09:15:50.057Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/8ce8a443ddd9002861a4ee8a7e33a0c02717422f"
},
{
"url": "https://git.kernel.org/stable/c/24aaf6603600d6d1159973c809ea2737664b28c4"
},
{
"url": "https://git.kernel.org/stable/c/9190d4a263264eabf715f5fc1827da45e3fdc247"
}
],
"title": "drm/amd/display: fix mapping to non-allocated address",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-53753",
"datePublished": "2025-12-08T01:19:13.743Z",
"dateReserved": "2025-12-08T01:18:04.279Z",
"dateUpdated": "2026-08-05T09:15:50.057Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-53753",
"date": "2026-09-28",
"epss": "0.00141",
"percentile": "0.02818"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c",
"drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c",
"drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c",
"drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "8ce8a443ddd9002861a4ee8a7e33a0c02717422f",
"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
},
{
"lessThan": "24aaf6603600d6d1159973c809ea2737664b28c4",
"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
},
{
"lessThan": "9190d4a263264eabf715f5fc1827da45e3fdc247",
"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c",
"drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c",
"drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c",
"drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.15"
},
{
"lessThan": "4.15",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"version": "6.2.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix mapping to non-allocated address\n\n[Why]\nThere is an issue mapping non-allocated location of memory.\nIt would allocate gpio registers from an array out of bounds.\n\n[How]\nPatch correct numbers of bounds for using."
}
],
"id": "CVE-2023-53753",
"lastModified": "2026-08-04T10:19:20.073",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary"
}
]
},
"published": "2025-12-08T02:15:50.847",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/24aaf6603600d6d1159973c809ea2737664b28c4"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/8ce8a443ddd9002861a4ee8a7e33a0c02717422f"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/9190d4a263264eabf715f5fc1827da45e3fdc247"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-08-04T19:15:16+00:00",
"cve": "CVE-2023-53753",
"id": "CVE-2023-53753",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:fixed": "120",
"product_status:known_affected": "124",
"product_status:known_not_affected": "118",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: drm/amd/display: fix mapping to non-allocated address",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53753.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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