cve/published/2022/CVE-2022-49650.json

{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: qcom: bam_dma: fix runtime PM underflow\n\nCommit dbad41e7bb5f (\"dmaengine: qcom: bam_dma: check if the runtime pm enabled\")\ncaused unbalanced pm_runtime_get/put() calls when the bam is\ncontrolled remotely. This commit reverts it and just enables pm_runtime\nin all cases, the clk_* functions already just nop when the clock is NULL.\n\nAlso clean up a bit by removing unnecessary bamclk null checks."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/dma/qcom/bam_dma.c"
               ],
               "versions": [
                  {
                     "version": "dbad41e7bb5f4b9949ff5ea1d76c20711f326308",
                     "lessThan": "2f6ded79068cac8cff41d5d5632564165d98ee12",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dbad41e7bb5f4b9949ff5ea1d76c20711f326308",
                     "lessThan": "b702a1077b51fcb39507cc3bd39206f539319a96",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dbad41e7bb5f4b9949ff5ea1d76c20711f326308",
                     "lessThan": "0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e",
                     "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/qcom/bam_dma.c"
               ],
               "versions": [
                  {
                     "version": "4.17",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.17",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.15.54",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.18.11",
                     "lessThanOrEqual": "5.18.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.19",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.17",
                           "versionEndExcluding": "5.15.54"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.17",
                           "versionEndExcluding": "5.18.11"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.17",
                           "versionEndExcluding": "5.19"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/2f6ded79068cac8cff41d5d5632564165d98ee12"
            },
            {
               "url": "https://git.kernel.org/stable/c/b702a1077b51fcb39507cc3bd39206f539319a96"
            },
            {
               "url": "https://git.kernel.org/stable/c/0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e"
            }
         ],
         "title": "dmaengine: qcom: bam_dma: fix runtime PM underflow",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-49650",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}