CVE-2025-23162 (GCVE-0-2025-23162)

Vulnerability from cvelistv5 – Published: 2025-05-01 12:55 – Updated: 2025-05-26 05:19
VLAI?
Title
drm/xe/vf: Don't try to trigger a full GT reset if VF
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/xe/vf: Don't try to trigger a full GT reset if VF VFs don't have access to the GDRST(0x941c) register that driver uses to reset a GT. Attempt to trigger a reset using debugfs: $ cat /sys/kernel/debug/dri/0000:00:02.1/gt0/force_reset or due to a hang condition detected by the driver leads to: [ ] xe 0000:00:02.1: [drm] GT0: trying reset from force_reset [xe] [ ] xe 0000:00:02.1: [drm] GT0: reset queued [ ] xe 0000:00:02.1: [drm] GT0: reset started [ ] ------------[ cut here ]------------ [ ] xe 0000:00:02.1: [drm] GT0: VF is trying to write 0x1 to an inaccessible register 0x941c+0x0 [ ] WARNING: CPU: 3 PID: 3069 at drivers/gpu/drm/xe/xe_gt_sriov_vf.c:996 xe_gt_sriov_vf_write32+0xc6/0x580 [xe] [ ] RIP: 0010:xe_gt_sriov_vf_write32+0xc6/0x580 [xe] [ ] Call Trace: [ ] <TASK> [ ] ? show_regs+0x6c/0x80 [ ] ? __warn+0x93/0x1c0 [ ] ? xe_gt_sriov_vf_write32+0xc6/0x580 [xe] [ ] ? report_bug+0x182/0x1b0 [ ] ? handle_bug+0x6e/0xb0 [ ] ? exc_invalid_op+0x18/0x80 [ ] ? asm_exc_invalid_op+0x1b/0x20 [ ] ? xe_gt_sriov_vf_write32+0xc6/0x580 [xe] [ ] ? xe_gt_sriov_vf_write32+0xc6/0x580 [xe] [ ] ? xe_gt_tlb_invalidation_reset+0xef/0x110 [xe] [ ] ? __mutex_unlock_slowpath+0x41/0x2e0 [ ] xe_mmio_write32+0x64/0x150 [xe] [ ] do_gt_reset+0x2f/0xa0 [xe] [ ] gt_reset_worker+0x14e/0x1e0 [xe] [ ] process_one_work+0x21c/0x740 [ ] worker_thread+0x1db/0x3c0 Fix that by sending H2G VF_RESET(0x5507) action instead.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: dd08ebf6c3525a7ea2186e636df064ea47281987 , < 2eec2fa8666dcecebae33a565a818c9de9af8b50 (git)
Affected: dd08ebf6c3525a7ea2186e636df064ea47281987 , < 90b16edb3213e4ae4a3138bb20703ae367e88a01 (git)
Affected: dd08ebf6c3525a7ea2186e636df064ea47281987 , < a9bc61a61372897886f58fdaa5582e3f7bf9a50b (git)
Affected: dd08ebf6c3525a7ea2186e636df064ea47281987 , < 459777724d306315070d24608fcd89aea85516d6 (git)
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    Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.12.24 , ≤ 6.12.* (semver)
Unaffected: 6.13.12 , ≤ 6.13.* (semver)
Unaffected: 6.14.3 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_gt.c",
            "drivers/gpu/drm/xe/xe_gt_sriov_vf.c",
            "drivers/gpu/drm/xe/xe_gt_sriov_vf.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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        },
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          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_gt.c",
            "drivers/gpu/drm/xe/xe_gt_sriov_vf.c",
            "drivers/gpu/drm/xe/xe_gt_sriov_vf.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.8"
            },
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              "lessThan": "6.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.24",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.24",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13.12",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.3",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/vf: Don\u0027t try to trigger a full GT reset if VF\n\nVFs don\u0027t have access to the GDRST(0x941c) register that driver\nuses to reset a GT. Attempt to trigger a reset using debugfs:\n\n $ cat /sys/kernel/debug/dri/0000:00:02.1/gt0/force_reset\n\nor due to a hang condition detected by the driver leads to:\n\n [ ] xe 0000:00:02.1: [drm] GT0: trying reset from force_reset [xe]\n [ ] xe 0000:00:02.1: [drm] GT0: reset queued\n [ ] xe 0000:00:02.1: [drm] GT0: reset started\n [ ] ------------[ cut here ]------------\n [ ] xe 0000:00:02.1: [drm] GT0: VF is trying to write 0x1 to an inaccessible register 0x941c+0x0\n [ ] WARNING: CPU: 3 PID: 3069 at drivers/gpu/drm/xe/xe_gt_sriov_vf.c:996 xe_gt_sriov_vf_write32+0xc6/0x580 [xe]\n [ ] RIP: 0010:xe_gt_sriov_vf_write32+0xc6/0x580 [xe]\n [ ] Call Trace:\n [ ]  \u003cTASK\u003e\n [ ]  ? show_regs+0x6c/0x80\n [ ]  ? __warn+0x93/0x1c0\n [ ]  ? xe_gt_sriov_vf_write32+0xc6/0x580 [xe]\n [ ]  ? report_bug+0x182/0x1b0\n [ ]  ? handle_bug+0x6e/0xb0\n [ ]  ? exc_invalid_op+0x18/0x80\n [ ]  ? asm_exc_invalid_op+0x1b/0x20\n [ ]  ? xe_gt_sriov_vf_write32+0xc6/0x580 [xe]\n [ ]  ? xe_gt_sriov_vf_write32+0xc6/0x580 [xe]\n [ ]  ? xe_gt_tlb_invalidation_reset+0xef/0x110 [xe]\n [ ]  ? __mutex_unlock_slowpath+0x41/0x2e0\n [ ]  xe_mmio_write32+0x64/0x150 [xe]\n [ ]  do_gt_reset+0x2f/0xa0 [xe]\n [ ]  gt_reset_worker+0x14e/0x1e0 [xe]\n [ ]  process_one_work+0x21c/0x740\n [ ]  worker_thread+0x1db/0x3c0\n\nFix that by sending H2G VF_RESET(0x5507) action instead."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:19:47.114Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2eec2fa8666dcecebae33a565a818c9de9af8b50"
        },
        {
          "url": "https://git.kernel.org/stable/c/90b16edb3213e4ae4a3138bb20703ae367e88a01"
        },
        {
          "url": "https://git.kernel.org/stable/c/a9bc61a61372897886f58fdaa5582e3f7bf9a50b"
        },
        {
          "url": "https://git.kernel.org/stable/c/459777724d306315070d24608fcd89aea85516d6"
        }
      ],
      "title": "drm/xe/vf: Don\u0027t try to trigger a full GT reset if VF",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-23162",
    "datePublished": "2025-05-01T12:55:46.725Z",
    "dateReserved": "2025-01-11T14:28:41.515Z",
    "dateUpdated": "2025-05-26T05:19:47.114Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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