cve/published/2024/CVE-2024-26945.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\ncrypto: iaa - Fix nr_cpus < nr_iaa case\n\nIf nr_cpus < nr_iaa, the calculated cpus_per_iaa will be 0, which\ncauses a divide-by-0 in rebalance_wq_table().\n\nMake sure cpus_per_iaa is 1 in that case, and also in the nr_iaa == 0\ncase, even though cpus_per_iaa is never used if nr_iaa == 0, for\nparanoia."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/crypto/intel/iaa/iaa_crypto_main.c"
               ],
               "versions": [
                  {
                     "version": "ea7a5cbb43696cfacf73e61916d1860ac30b5b2f",
                     "lessThan": "a5ca1be7f9817de4e93085778b3ee2219bdc2664",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ea7a5cbb43696cfacf73e61916d1860ac30b5b2f",
                     "lessThan": "5a7e89d3315d1be86aff8a8bf849023cda6547f7",
                     "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/crypto/intel/iaa/iaa_crypto_main.c"
               ],
               "versions": [
                  {
                     "version": "6.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.8",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.8.3",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.9",
                     "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": "6.8",
                           "versionEndExcluding": "6.8.3"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.8",
                           "versionEndExcluding": "6.9"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/a5ca1be7f9817de4e93085778b3ee2219bdc2664"
            },
            {
               "url": "https://git.kernel.org/stable/c/5a7e89d3315d1be86aff8a8bf849023cda6547f7"
            }
         ],
         "title": "crypto: iaa - Fix nr_cpus < nr_iaa case",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-26945",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}