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

{
  "id": "9b78d5cf0ea4e6fae14de8b5fa021f226ac35f489d7214b09275be0072eb0955",
  "url": "https://osv.dev/vulnerability/CVE-2022-49335",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "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: ffff9367bc",
    "evidence": "osv:CVE-2022-49335",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/1/ranges"
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            "evidence": "/affected/1/ranges"
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            "evidence": "/affected/1/ranges"
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          {
            "value": "5.18.3",
            "evidence": "/affected/1/ranges"
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        "affected_versions": []
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    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-49335",
      "aliases": [
        "CVE-2022-49335"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
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                {
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                  "fixed": "c12984cdb077b9042d2dc20ca18cb16a87bcc774"
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                  "fixed": "be585921f29df5422a39c952d188b418ad48ffab"
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                {
                  "fixed": "70276460e914d560e96bfc208695a872fe9469c9"
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            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49335.json"
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      ],
      "modified": "2026-10-28T02:30:42.290115854Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8",
        "https://git.kernel.org/stable/c/20b947e5a3c74c5084d661c097517a554989d462",
        "https://git.kernel.org/stable/c/31ab27b14daaa75541a415c6794d6f3567fea44a",
        "https://git.kernel.org/stable/c/70276460e914d560e96bfc208695a872fe9469c9",
        "https://git.kernel.org/stable/c/7086a23890d255bb5761604e39174b20d06231a4",
        "https://git.kernel.org/stable/c/8189f44270db1be78169e11eec51a3eeb980bc63",
        "https://git.kernel.org/stable/c/aa25acbe96692e4bf8482311c293f72d8c6034c0",
        "https://git.kernel.org/stable/c/be585921f29df5422a39c952d188b418ad48ffab",
        "https://git.kernel.org/stable/c/c12984cdb077b9042d2dc20ca18cb16a87bcc774",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49335.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49335",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49335.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49335",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509751,
  "published_at": "2025-02-26T02:10:54.763+00:00"
}