cve/published/2021/CVE-2021-46917.json

{
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            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
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         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: fix wq cleanup of WQCFG registers\n\nA pre-release silicon erratum workaround where wq reset does not clear\nWQCFG registers was leaked into upstream code. Use wq reset command\ninstead of blasting the MMIO region. This also address an issue where\nwe clobber registers in future devices."
            }
         ],
         "affected": [
            {
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               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/dma/idxd/device.c",
                  "drivers/dma/idxd/idxd.h",
                  "drivers/dma/idxd/sysfs.c"
               ],
               "versions": [
                  {
                     "version": "da32b28c95a79e399e18c03f8178f41aec9c66e4",
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                     "status": "affected",
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                     "status": "affected",
                     "versionType": "git"
                  },
                  {
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                     "lessThan": "ea9aadc06a9f10ad20a90edc0a484f1147d88a7a",
                     "status": "affected",
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                  },
                  {
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                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/dma/idxd/device.c",
                  "drivers/dma/idxd/idxd.h",
                  "drivers/dma/idxd/sysfs.c"
               ],
               "versions": [
                  {
                     "version": "5.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.8",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.10.32",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.11.16",
                     "lessThanOrEqual": "5.11.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.12",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
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                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.8",
                           "versionEndExcluding": "5.10.32"
                        },
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                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                           "versionEndExcluding": "5.11.16"
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                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/e5eb9757fe4c2392e069246ae78badc573af1833"
            },
            {
               "url": "https://git.kernel.org/stable/c/f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9"
            },
            {
               "url": "https://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7a"
            }
         ],
         "title": "dmaengine: idxd: fix wq cleanup of WQCFG registers",
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      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-46917",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
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   "dataVersion": "5.0"
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