{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: Fix clk_core_get NULL dereference\n\nIt is possible for clk_core_get to dereference a NULL in the following\nsequence:\n\nclk_core_get()\n    of_clk_get_hw_from_clkspec()\n        __of_clk_get_hw_from_provider()\n            __clk_get_hw()\n\n__clk_get_hw() can return NULL which is dereferenced by clk_core_get() at\nhw->core.\n\nPrior to commit dde4eff47c82 (\"clk: Look for parents with clkdev based\nclk_lookups\") the check IS_ERR_OR_NULL() was performed which would have\ncaught the NULL.\n\nReading the description of this function it talks about returning NULL but\nthat cannot be so at the moment.\n\nUpdate the function to check for hw before dereferencing it and return NULL\nif hw is NULL."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/clk/clk.c"
               ],
               "versions": [
                  {
                     "version": "dde4eff47c82",
                     "lessThan": "d7ae7d126568",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dde4eff47c82",
                     "lessThan": "239174535dba",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dde4eff47c82",
                     "lessThan": "0efb9ef6fb95",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dde4eff47c82",
                     "lessThan": "a8b2b26fdd01",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dde4eff47c82",
                     "lessThan": "a5d9b1aa61b4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dde4eff47c82",
                     "lessThan": "c554badcae9c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dde4eff47c82",
                     "lessThan": "6f073b24a9e2",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "dde4eff47c82",
                     "lessThan": "e97fe4901e0f",
                     "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/clk/clk.c"
               ],
               "versions": [
                  {
                     "version": "5.2",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.2",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.273",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.214",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.153",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.83",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.23",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.11",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.2",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/d7ae7d1265686b55832a445b1db8cdd69738ac07"
            },
            {
               "url": "https://git.kernel.org/stable/c/239174535dba11f7b83de0eaaa27909024f8c185"
            },
            {
               "url": "https://git.kernel.org/stable/c/0efb9ef6fb95384ba631d6819e66f10392aabfa2"
            },
            {
               "url": "https://git.kernel.org/stable/c/a8b2b26fdd011ebe36d68a9a321ca45801685959"
            },
            {
               "url": "https://git.kernel.org/stable/c/a5d9b1aa61b401867b9066d54086b3e4ee91f8ed"
            },
            {
               "url": "https://git.kernel.org/stable/c/c554badcae9c45b737a22d23454170c6020b90e6"
            },
            {
               "url": "https://git.kernel.org/stable/c/6f073b24a9e2becd25ac4505a9780a87e621bb51"
            },
            {
               "url": "https://git.kernel.org/stable/c/e97fe4901e0f59a0bfd524578fe3768f8ca42428"
            }
         ],
         "title": "clk: Fix clk_core_get NULL dereference",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-27038",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}