{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipmi: ssif: initialize ssif_info->client early\n\nDuring probe ssif_info->client is dereferenced in error path. However,\nit is set when some of the error checking has already been done. This\ncauses following kernel crash if an error path is taken:\n\n[   30.645593][  T674] ipmi_ssif 0-000e: ipmi_ssif: Not probing, Interface already present\n[   30.657616][  T674] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000088\n...\n[   30.657723][  T674] pc : __dev_printk+0x28/0xa0\n[   30.657732][  T674] lr : _dev_err+0x7c/0xa0\n...\n[   30.657772][  T674] Call trace:\n[   30.657775][  T674]  __dev_printk+0x28/0xa0\n[   30.657778][  T674]  _dev_err+0x7c/0xa0\n[   30.657781][  T674]  ssif_probe+0x548/0x900 [ipmi_ssif 62ce4b08badc1458fd896206d9ef69a3c31f3d3e]\n[   30.657791][  T674]  i2c_device_probe+0x37c/0x3c0\n...\n\nInitialize ssif_info->client before any error path can be taken. Clear\ni2c_client data in the error path to prevent the dangling pointer from\nleaking."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/char/ipmi/ipmi_ssif.c"
               ],
               "versions": [
                  {
                     "version": "c4436c9149c5",
                     "lessThan": "8efd6a3391f7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c4436c9149c5",
                     "lessThan": "1f6ab847461c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c4436c9149c5",
                     "lessThan": "77a7311ca167",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c4436c9149c5",
                     "lessThan": "34f35f8f14bc",
                     "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/char/ipmi/ipmi_ssif.c"
               ],
               "versions": [
                  {
                     "version": "5.4",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.4",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.169",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.89",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.12",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/8efd6a3391f7b0b19fb0c38e50add06ca30c94af"
            },
            {
               "url": "https://git.kernel.org/stable/c/1f6ab847461ce7dd89ae9db2dd4658c993355d7c"
            },
            {
               "url": "https://git.kernel.org/stable/c/77a7311ca167aa5b7055c549a940a56e73ee5f29"
            },
            {
               "url": "https://git.kernel.org/stable/c/34f35f8f14bc406efc06ee4ff73202c6fd245d15"
            }
         ],
         "title": "ipmi: ssif: initialize ssif_info->client early",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47095",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}