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EUVD-2026-310491

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 07:13

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

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{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T07:13:13.752639+00:00",
  "id": "EUVD-2026-310491"
}

CVE-2022-49335 (GCVE-0-2022-49335)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:10 – Updated: 2026-05-11 18:57

Title

drm/amdgpu/cs: make commands with 0 chunks illegal behaviour.

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/cs: make commands with 0 chunks illegal behaviour. Submitting a cs with 0 chunks, causes an oops later, found trying to execute the wrong userspace driver. MESA_LOADER_DRIVER_OVERRIDE=v3d glxinfo [172536.665184] BUG: kernel NULL pointer dereference, address: 00000000000001d8 [172536.665188] #PF: supervisor read access in kernel mode [172536.665189] #PF: error_code(0x0000) - not-present page [172536.665191] PGD 6712a0067 P4D 6712a0067 PUD 5af9ff067 PMD 0 [172536.665195] Oops: 0000 [#1] SMP NOPTI [172536.665197] CPU: 7 PID: 2769838 Comm: glxinfo Tainted: P O 5.10.81 #1-NixOS [172536.665199] Hardware name: To be filled by O.E.M. To be filled by O.E.M./CROSSHAIR V FORMULA-Z, BIOS 2201 03/23/2015 [172536.665272] RIP: 0010:amdgpu_cs_ioctl+0x96/0x1ce0 [amdgpu] [172536.665274] Code: 75 18 00 00 4c 8b b2 88 00 00 00 8b 46 08 48 89 54 24 68 49 89 f7 4c 89 5c 24 60 31 d2 4c 89 74 24 30 85 c0 0f 85 c0 01 00 00 <48> 83 ba d8 01 00 00 00 48 8b b4 24 90 00 00 00 74 16 48 8b 46 10 [172536.665276] RSP: 0018:ffffb47c0e81bbe0 EFLAGS: 00010246 [172536.665277] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [172536.665278] RDX: 0000000000000000 RSI: ffffb47c0e81be28 RDI: ffffb47c0e81bd68 [172536.665279] RBP: ffff936524080010 R08: 0000000000000000 R09: ffffb47c0e81be38 [172536.665281] R10: ffff936524080010 R11: ffff936524080000 R12: ffffb47c0e81bc40 [172536.665282] R13: ffffb47c0e81be28 R14: ffff9367bc410000 R15: ffffb47c0e81be28 [172536.665283] FS: 00007fe35e05d740(0000) GS:ffff936c1edc0000(0000) knlGS:0000000000000000 [172536.665284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [172536.665286] CR2: 00000000000001d8 CR3: 0000000532e46000 CR4: 00000000000406e0 [172536.665287] Call Trace: [172536.665322] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [172536.665332] drm_ioctl_kernel+0xaa/0xf0 [drm] [172536.665338] drm_ioctl+0x201/0x3b0 [drm] [172536.665369] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [172536.665372] ? selinux_file_ioctl+0x135/0x230 [172536.665399] amdgpu_drm_ioctl+0x49/0x80 [amdgpu] [172536.665403] __x64_sys_ioctl+0x83/0xb0 [172536.665406] do_syscall_64+0x33/0x40 [172536.665409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2018

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-01 19:43 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

Linux mitre root Scorecard

References

9 references

URL	Tags
https://git.kernel.org/stable/c/8189f44270db1be78…
https://git.kernel.org/stable/c/aa25acbe96692e4bf…
https://git.kernel.org/stable/c/15c3bcc9b5349d402…
https://git.kernel.org/stable/c/c12984cdb077b9042…
https://git.kernel.org/stable/c/be585921f29df5422…
https://git.kernel.org/stable/c/70276460e914d560e…
https://git.kernel.org/stable/c/20b947e5a3c74c508…
https://git.kernel.org/stable/c/7086a23890d255bb5…
https://git.kernel.org/stable/c/31ab27b14daaa7554…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 8189f44270db1be78169e11eec51a3eeb980bc63 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < aa25acbe96692e4bf8482311c293f72d8c6034c0 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < c12984cdb077b9042d2dc20ca18cb16a87bcc774 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < be585921f29df5422a39c952d188b418ad48ffab (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 70276460e914d560e96bfc208695a872fe9469c9 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 20b947e5a3c74c5084d661c097517a554989d462 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 7086a23890d255bb5761604e39174b20d06231a4 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 31ab27b14daaa75541a415c6794d6f3567fea44a (git)
Linux	Linux	Affected: 4.2 Unaffected: 0 , < 4.2 (semver) Unaffected: 4.9.318 , ≤ 4.9.* (semver) Unaffected: 4.14.283 , ≤ 4.14.* (semver) Unaffected: 4.19.247 , ≤ 4.19.* (semver) Unaffected: 5.4.198 , ≤ 5.4.* (semver) Unaffected: 5.10.121 , ≤ 5.10.* (semver) Unaffected: 5.15.46 , ≤ 5.15.* (semver) Unaffected: 5.17.14 , ≤ 5.17.* (semver) Unaffected: 5.18.3 , ≤ 5.18.* (semver) Unaffected: 5.19 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49335",
                "options": [
                  {
                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:43:07.709316Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-476",
                "description": "CWE-476 NULL Pointer Dereference",
                "lang": "en",
                "type": "CWE"
              }
            ]
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:46:55.196Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8189f44270db1be78169e11eec51a3eeb980bc63",
              "status": "affected",
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            {
              "lessThan": "c12984cdb077b9042d2dc20ca18cb16a87bcc774",
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            },
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              "lessThan": "31ab27b14daaa75541a415c6794d6f3567fea44a",
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              "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21",
              "versionType": "git"
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        },
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          "defaultStatus": "affected",
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          "programFiles": [
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              "version": "4.9.318",
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              "status": "unaffected",
              "version": "4.14.283",
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              "status": "unaffected",
              "version": "4.19.247",
              "versionType": "semver"
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              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.198",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.121",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.46",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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                  "versionEndExcluding": "5.4.198",
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                {
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                  "versionEndExcluding": "5.17.14",
                  "versionStartIncluding": "4.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18.3",
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                {
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                  "versionEndExcluding": "5.19",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/cs: make commands with 0 chunks illegal behaviour.\n\nSubmitting a cs with 0 chunks, causes an oops later, found trying\nto execute the wrong userspace driver.\n\nMESA_LOADER_DRIVER_OVERRIDE=v3d glxinfo\n\n[172536.665184] BUG: kernel NULL pointer dereference, address: 00000000000001d8\n[172536.665188] #PF: supervisor read access in kernel mode\n[172536.665189] #PF: error_code(0x0000) - not-present page\n[172536.665191] PGD 6712a0067 P4D 6712a0067 PUD 5af9ff067 PMD 0\n[172536.665195] Oops: 0000 [#1] SMP NOPTI\n[172536.665197] CPU: 7 PID: 2769838 Comm: glxinfo Tainted: P           O      5.10.81 #1-NixOS\n[172536.665199] Hardware name: To be filled by O.E.M. To be filled by O.E.M./CROSSHAIR V FORMULA-Z, BIOS 2201 03/23/2015\n[172536.665272] RIP: 0010:amdgpu_cs_ioctl+0x96/0x1ce0 [amdgpu]\n[172536.665274] Code: 75 18 00 00 4c 8b b2 88 00 00 00 8b 46 08 48 89 54 24 68 49 89 f7 4c 89 5c 24 60 31 d2 4c 89 74 24 30 85 c0 0f 85 c0 01 00 00 \u003c48\u003e 83 ba d8 01 00 00 00 48 8b b4 24 90 00 00 00 74 16 48 8b 46 10\n[172536.665276] RSP: 0018:ffffb47c0e81bbe0 EFLAGS: 00010246\n[172536.665277] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\n[172536.665278] RDX: 0000000000000000 RSI: ffffb47c0e81be28 RDI: ffffb47c0e81bd68\n[172536.665279] RBP: ffff936524080010 R08: 0000000000000000 R09: ffffb47c0e81be38\n[172536.665281] R10: ffff936524080010 R11: ffff936524080000 R12: ffffb47c0e81bc40\n[172536.665282] R13: ffffb47c0e81be28 R14: ffff9367bc410000 R15: ffffb47c0e81be28\n[172536.665283] FS:  00007fe35e05d740(0000) GS:ffff936c1edc0000(0000) knlGS:0000000000000000\n[172536.665284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[172536.665286] CR2: 00000000000001d8 CR3: 0000000532e46000 CR4: 00000000000406e0\n[172536.665287] Call Trace:\n[172536.665322]  ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu]\n[172536.665332]  drm_ioctl_kernel+0xaa/0xf0 [drm]\n[172536.665338]  drm_ioctl+0x201/0x3b0 [drm]\n[172536.665369]  ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu]\n[172536.665372]  ? selinux_file_ioctl+0x135/0x230\n[172536.665399]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]\n[172536.665403]  __x64_sys_ioctl+0x83/0xb0\n[172536.665406]  do_syscall_64+0x33/0x40\n[172536.665409]  entry_SYSCALL_64_after_hwframe+0x44/0xa9\n\nBug: https://gitlab.freedesktop.org/drm/amd/-/issues/2018"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T18:57:42.520Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8189f44270db1be78169e11eec51a3eeb980bc63"
        },
        {
          "url": "https://git.kernel.org/stable/c/aa25acbe96692e4bf8482311c293f72d8c6034c0"
        },
        {
          "url": "https://git.kernel.org/stable/c/15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8"
        },
        {
          "url": "https://git.kernel.org/stable/c/c12984cdb077b9042d2dc20ca18cb16a87bcc774"
        },
        {
          "url": "https://git.kernel.org/stable/c/be585921f29df5422a39c952d188b418ad48ffab"
        },
        {
          "url": "https://git.kernel.org/stable/c/70276460e914d560e96bfc208695a872fe9469c9"
        },
        {
          "url": "https://git.kernel.org/stable/c/20b947e5a3c74c5084d661c097517a554989d462"
        },
        {
          "url": "https://git.kernel.org/stable/c/7086a23890d255bb5761604e39174b20d06231a4"
        },
        {
          "url": "https://git.kernel.org/stable/c/31ab27b14daaa75541a415c6794d6f3567fea44a"
        }
      ],
      "title": "drm/amdgpu/cs: make commands with 0 chunks illegal behaviour.",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49335",
    "datePublished": "2025-02-26T02:10:54.763Z",
    "dateReserved": "2025-02-26T02:08:31.539Z",
    "dateUpdated": "2026-05-11T18:57:42.520Z",
    "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.

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.

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EUVD-2026-310491

CVE-2022-49335 (GCVE-0-2022-49335)

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Nomenclature

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