{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: da9211: Use irq handler when ready\n\nIf the system does not come from reset (like when it is kexec()), the\nregulator might have an IRQ waiting for us.\n\nIf we enable the IRQ handler before its structures are ready, we crash.\n\nThis patch fixes:\n\n[    1.141839] Unable to handle kernel read from unreadable memory at virtual address 0000000000000078\n[    1.316096] Call trace:\n[    1.316101]  blocking_notifier_call_chain+0x20/0xa8\n[    1.322757] cpu cpu0: dummy supplies not allowed for exclusive requests\n[    1.327823]  regulator_notifier_call_chain+0x1c/0x2c\n[    1.327825]  da9211_irq_handler+0x68/0xf8\n[    1.327829]  irq_thread+0x11c/0x234\n[    1.327833]  kthread+0x13c/0x154"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/regulator/da9211-regulator.c"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "1c1afcb8839b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "f75cde714e0a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "d443308edbfb",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "d4aa749e0464",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "470f6a9175f1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "ad1336274f73",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "02228f6aa6a6",
                     "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/regulator/da9211-regulator.c"
               ],
               "versions": [
                  {
                     "version": "4.14.303",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.270",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.229",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.164",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.89",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.7",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.2",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/1c1afcb8839b91c09d211ea304faa269763b1f91"
            },
            {
               "url": "https://git.kernel.org/stable/c/f75cde714e0a67f73ef169aa50d4ed77d04f7236"
            },
            {
               "url": "https://git.kernel.org/stable/c/d443308edbfb6e9e757b478af908515110d1efd5"
            },
            {
               "url": "https://git.kernel.org/stable/c/d4aa749e046435f054e94ebf50cad143d6229fae"
            },
            {
               "url": "https://git.kernel.org/stable/c/470f6a9175f13a53810734658c35cc5bba33be01"
            },
            {
               "url": "https://git.kernel.org/stable/c/ad1336274f733a7cb1f87b5c5908165a2c14df53"
            },
            {
               "url": "https://git.kernel.org/stable/c/02228f6aa6a64d588bc31e3267d05ff184d772eb"
            }
         ],
         "title": "regulator: da9211: Use irq handler when ready",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48891",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}