{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: i2c-hid: remove I2C_HID_READ_PENDING flag to prevent lock-up\n\nThe flag I2C_HID_READ_PENDING is used to serialize I2C operations.\nHowever, this is not necessary, because I2C core already has its own\nlocking for that.\n\nMore importantly, this flag can cause a lock-up: if the flag is set in\ni2c_hid_xfer() and an interrupt happens, the interrupt handler\n(i2c_hid_irq) will check this flag and return immediately without doing\nanything, then the interrupt handler will be invoked again in an\ninfinite loop.\n\nSince interrupt handler is an RT task, it takes over the CPU and the\nflag-clearing task never gets scheduled, thus we have a lock-up.\n\nDelete this unnecessary flag."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/hid/i2c-hid/i2c-hid-core.c"
               ],
               "versions": [
                  {
                     "version": "4a200c3b9a40",
                     "lessThan": "21bfca822cfc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4a200c3b9a40",
                     "lessThan": "c448a9fd50f7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4a200c3b9a40",
                     "lessThan": "5095b93021b8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4a200c3b9a40",
                     "lessThan": "b65fb50e04a9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4a200c3b9a40",
                     "lessThan": "0561b65fbd53",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4a200c3b9a40",
                     "lessThan": "29e94f295bad",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4a200c3b9a40",
                     "lessThan": "418c5575d564",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4a200c3b9a40",
                     "lessThan": "9c0f59e47a90",
                     "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/hid/i2c-hid/i2c-hid-core.c"
               ],
               "versions": [
                  {
                     "version": "3.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.8",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.313",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.275",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.216",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.158",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.90",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.30",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.9",
                     "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/21bfca822cfc1e71796124e93b46e0d9fa584401"
            },
            {
               "url": "https://git.kernel.org/stable/c/c448a9fd50f77e8fb9156ff64848aa4295eb3003"
            },
            {
               "url": "https://git.kernel.org/stable/c/5095b93021b899f54c9355bebf36d78854c33a22"
            },
            {
               "url": "https://git.kernel.org/stable/c/b65fb50e04a95eec34a9d1bc138454a98a5578d8"
            },
            {
               "url": "https://git.kernel.org/stable/c/0561b65fbd53d3e788c5b0222d9112ca016fd6a1"
            },
            {
               "url": "https://git.kernel.org/stable/c/29e94f295bad5be59cf4271a93e22cdcf5536722"
            },
            {
               "url": "https://git.kernel.org/stable/c/418c5575d56410c6e186ab727bf32ae32447d497"
            },
            {
               "url": "https://git.kernel.org/stable/c/9c0f59e47a90c54d0153f8ddc0f80d7a36207d0e"
            }
         ],
         "title": "HID: i2c-hid: remove I2C_HID_READ_PENDING flag to prevent lock-up",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-35997",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}