Vulnerability-Lookup

FKIE_CVE-2026-43302

Vulnerability from fkie_nvd - Published: 2026-05-08 14:16 - Updated: 2026-05-15 13:34

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Set DMA segment size to avoid debug warnings When using V3D rendering with CONFIG_DMA_API_DEBUG enabled, the kernel occasionally reports a segment size mismatch. This is because 'max_seg_size' is not set. The kernel defaults to 64K. setting 'max_seg_size' to the maximum will prevent 'debug_dma_map_sg()' from complaining about the over-mapping of the V3D segment length. DMA-API: v3d 1002000000.v3d: mapping sg segment longer than device claims to support [len=8290304] [max=65536] WARNING: CPU: 0 PID: 493 at kernel/dma/debug.c:1179 debug_dma_map_sg+0x330/0x388 CPU: 0 UID: 0 PID: 493 Comm: Xorg Not tainted 6.12.53-yocto-standard #1 Hardware name: Raspberry Pi 5 Model B Rev 1.0 (DT) pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_dma_map_sg+0x330/0x388 lr : debug_dma_map_sg+0x330/0x388 sp : ffff8000829a3ac0 x29: ffff8000829a3ac0 x28: 0000000000000001 x27: ffff8000813fe000 x26: ffffc1ffc0000000 x25: ffff00010fdeb760 x24: 0000000000000000 x23: ffff8000816a9bf0 x22: 0000000000000001 x21: 0000000000000002 x20: 0000000000000002 x19: ffff00010185e810 x18: ffffffffffffffff x17: 69766564206e6168 x16: 74207265676e6f6c x15: 20746e656d676573 x14: 20677320676e6970 x13: 5d34303334393134 x12: 0000000000000000 x11: 00000000000000c0 x10: 00000000000009c0 x9 : ffff8000800e0b7c x8 : ffff00010a315ca0 x7 : ffff8000816a5110 x6 : 0000000000000001 x5 : 000000000000002b x4 : 0000000000000002 x3 : 0000000000000008 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00010a315280 Call trace: debug_dma_map_sg+0x330/0x388 __dma_map_sg_attrs+0xc0/0x278 dma_map_sgtable+0x30/0x58 drm_gem_shmem_get_pages_sgt+0xb4/0x140 v3d_bo_create_finish+0x28/0x130 [v3d] v3d_create_bo_ioctl+0x54/0x180 [v3d] drm_ioctl_kernel+0xc8/0x140 drm_ioctl+0x2d4/0x4d8

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0290934d30abe7c88e18140fd5184c3f386b1e44	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/14d0d6c8b4504a60cfeea74775ab2e0164019e65	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/225023e3619b81af6d8d0e680503fc2d68633023	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2663ef70c6123b2232190f917275e5c3175f97d0	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9eb018828b1b30dfba689c060735c50fc5b9f704	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/cf510785f74e74c54de40a43a955b7f844857487	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/db15f469a88d3bbeeaa9f8c9f5e74d856ba5d7d2	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ECCCB6D8-FB4F-4A5D-BDE0-C63C378DE186",
              "versionEndExcluding": "5.15.202",
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              "vulnerable": true
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            {
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Set DMA segment size to avoid debug warnings\n\nWhen using V3D rendering with CONFIG_DMA_API_DEBUG enabled, the\nkernel occasionally reports a segment size mismatch. This is because\n\u0027max_seg_size\u0027 is not set. The kernel defaults to 64K. setting\n\u0027max_seg_size\u0027 to the maximum will prevent \u0027debug_dma_map_sg()\u0027\nfrom complaining about the over-mapping of the V3D segment length.\n\nDMA-API: v3d 1002000000.v3d: mapping sg segment longer than device\n claims to support [len=8290304] [max=65536]\nWARNING: CPU: 0 PID: 493 at kernel/dma/debug.c:1179 debug_dma_map_sg+0x330/0x388\nCPU: 0 UID: 0 PID: 493 Comm: Xorg Not tainted 6.12.53-yocto-standard #1\nHardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : debug_dma_map_sg+0x330/0x388\nlr : debug_dma_map_sg+0x330/0x388\nsp : ffff8000829a3ac0\nx29: ffff8000829a3ac0 x28: 0000000000000001 x27: ffff8000813fe000\nx26: ffffc1ffc0000000 x25: ffff00010fdeb760 x24: 0000000000000000\nx23: ffff8000816a9bf0 x22: 0000000000000001 x21: 0000000000000002\nx20: 0000000000000002 x19: ffff00010185e810 x18: ffffffffffffffff\nx17: 69766564206e6168 x16: 74207265676e6f6c x15: 20746e656d676573\nx14: 20677320676e6970 x13: 5d34303334393134 x12: 0000000000000000\nx11: 00000000000000c0 x10: 00000000000009c0 x9 : ffff8000800e0b7c\nx8 : ffff00010a315ca0 x7 : ffff8000816a5110 x6 : 0000000000000001\nx5 : 000000000000002b x4 : 0000000000000002 x3 : 0000000000000008\nx2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00010a315280\nCall trace:\n debug_dma_map_sg+0x330/0x388\n __dma_map_sg_attrs+0xc0/0x278\n dma_map_sgtable+0x30/0x58\n drm_gem_shmem_get_pages_sgt+0xb4/0x140\n v3d_bo_create_finish+0x28/0x130 [v3d]\n v3d_create_bo_ioctl+0x54/0x180 [v3d]\n drm_ioctl_kernel+0xc8/0x140\n drm_ioctl+0x2d4/0x4d8"
    }
  ],
  "id": "CVE-2026-43302",
  "lastModified": "2026-05-15T13:34:21.370",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-05-08T14:16:37.447",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-131"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2026-43302 (GCVE-0-2026-43302)

Vulnerability from cvelistv5 – Published: 2026-05-08 13:11 – Updated: 2026-05-11 22:21

Title

drm/v3d: Set DMA segment size to avoid debug warnings

Summary

Severity

No CVSS data available.

Assigner

Linux

References

7 references

URL	Tags
https://git.kernel.org/stable/c/14d0d6c8b4504a60c…
https://git.kernel.org/stable/c/225023e3619b81af6…
https://git.kernel.org/stable/c/2663ef70c6123b223…
https://git.kernel.org/stable/c/cf510785f74e74c54…
https://git.kernel.org/stable/c/0290934d30abe7c88…
https://git.kernel.org/stable/c/db15f469a88d3bbee…
https://git.kernel.org/stable/c/9eb018828b1b30dfb…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 57692c94dcbe99a1e0444409a3da13fb3443562c , < 14d0d6c8b4504a60cfeea74775ab2e0164019e65 (git) Affected: 57692c94dcbe99a1e0444409a3da13fb3443562c , < 225023e3619b81af6d8d0e680503fc2d68633023 (git) Affected: 57692c94dcbe99a1e0444409a3da13fb3443562c , < 2663ef70c6123b2232190f917275e5c3175f97d0 (git) Affected: 57692c94dcbe99a1e0444409a3da13fb3443562c , < cf510785f74e74c54de40a43a955b7f844857487 (git) Affected: 57692c94dcbe99a1e0444409a3da13fb3443562c , < 0290934d30abe7c88e18140fd5184c3f386b1e44 (git) Affected: 57692c94dcbe99a1e0444409a3da13fb3443562c , < db15f469a88d3bbeeaa9f8c9f5e74d856ba5d7d2 (git) Affected: 57692c94dcbe99a1e0444409a3da13fb3443562c , < 9eb018828b1b30dfba689c060735c50fc5b9f704 (git)
Linux	Linux	Affected: 4.18 Unaffected: 0 , < 4.18 (semver) Unaffected: 5.15.202 , ≤ 5.15.* (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.16 , ≤ 6.18.* (semver) Unaffected: 6.19.6 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/v3d/v3d_drv.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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          "versions": [
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              "status": "unaffected",
              "version": "0",
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              "versionType": "semver"
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              "versionType": "semver"
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              "version": "6.12.75",
              "versionType": "semver"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Set DMA segment size to avoid debug warnings\n\nWhen using V3D rendering with CONFIG_DMA_API_DEBUG enabled, the\nkernel occasionally reports a segment size mismatch. This is because\n\u0027max_seg_size\u0027 is not set. The kernel defaults to 64K. setting\n\u0027max_seg_size\u0027 to the maximum will prevent \u0027debug_dma_map_sg()\u0027\nfrom complaining about the over-mapping of the V3D segment length.\n\nDMA-API: v3d 1002000000.v3d: mapping sg segment longer than device\n claims to support [len=8290304] [max=65536]\nWARNING: CPU: 0 PID: 493 at kernel/dma/debug.c:1179 debug_dma_map_sg+0x330/0x388\nCPU: 0 UID: 0 PID: 493 Comm: Xorg Not tainted 6.12.53-yocto-standard #1\nHardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : debug_dma_map_sg+0x330/0x388\nlr : debug_dma_map_sg+0x330/0x388\nsp : ffff8000829a3ac0\nx29: ffff8000829a3ac0 x28: 0000000000000001 x27: ffff8000813fe000\nx26: ffffc1ffc0000000 x25: ffff00010fdeb760 x24: 0000000000000000\nx23: ffff8000816a9bf0 x22: 0000000000000001 x21: 0000000000000002\nx20: 0000000000000002 x19: ffff00010185e810 x18: ffffffffffffffff\nx17: 69766564206e6168 x16: 74207265676e6f6c x15: 20746e656d676573\nx14: 20677320676e6970 x13: 5d34303334393134 x12: 0000000000000000\nx11: 00000000000000c0 x10: 00000000000009c0 x9 : ffff8000800e0b7c\nx8 : ffff00010a315ca0 x7 : ffff8000816a5110 x6 : 0000000000000001\nx5 : 000000000000002b x4 : 0000000000000002 x3 : 0000000000000008\nx2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00010a315280\nCall trace:\n debug_dma_map_sg+0x330/0x388\n __dma_map_sg_attrs+0xc0/0x278\n dma_map_sgtable+0x30/0x58\n drm_gem_shmem_get_pages_sgt+0xb4/0x140\n v3d_bo_create_finish+0x28/0x130 [v3d]\n v3d_create_bo_ioctl+0x54/0x180 [v3d]\n drm_ioctl_kernel+0xc8/0x140\n drm_ioctl+0x2d4/0x4d8"
        }
      ],
      "providerMetadata": {
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        },
        {
          "url": "https://git.kernel.org/stable/c/db15f469a88d3bbeeaa9f8c9f5e74d856ba5d7d2"
        },
        {
          "url": "https://git.kernel.org/stable/c/9eb018828b1b30dfba689c060735c50fc5b9f704"
        }
      ],
      "title": "drm/v3d: Set DMA segment size to avoid debug warnings",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43302",
    "datePublished": "2026-05-08T13:11:22.886Z",
    "dateReserved": "2026-05-01T14:12:56.000Z",
    "dateUpdated": "2026-05-11T22:21:55.721Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-43302

CVE-2026-43302 (GCVE-0-2026-43302)

Tags

Sightings

Nomenclature