{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: prevent derefencing NULL ptr in pfn_section_valid()\n\nCommit 5ec8e8ea8b77 (\"mm/sparsemem: fix race in accessing\nmemory_section->usage\") changed pfn_section_valid() to add a READ_ONCE()\ncall around \"ms->usage\" to fix a race with section_deactivate() where\nms->usage can be cleared.  The READ_ONCE() call, by itself, is not enough\nto prevent NULL pointer dereference.  We need to check its value before\ndereferencing it."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "include/linux/mmzone.h"
               ],
               "versions": [
                  {
                     "version": "90ad17575d26",
                     "lessThan": "0100aeb8a12d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b448de2459b6",
                     "lessThan": "bc17f2377818",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "68ed9e333240",
                     "lessThan": "941e81618566",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "70064241f222",
                     "lessThan": "797323d1cf92",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5ec8e8ea8b77",
                     "lessThan": "adccdf702b4e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5ec8e8ea8b77",
                     "lessThan": "82f0b6f041fa",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "include/linux/mmzone.h"
               ],
               "versions": [
                  {
                     "version": "6.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.8",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.222",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.163",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.100",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.41",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.10",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/0100aeb8a12d51950418e685f879cc80cb8e5982"
            },
            {
               "url": "https://git.kernel.org/stable/c/bc17f2377818dca643a74499c3f5333500c90503"
            },
            {
               "url": "https://git.kernel.org/stable/c/941e816185661bf2b44b488565d09444ae316509"
            },
            {
               "url": "https://git.kernel.org/stable/c/797323d1cf92d09b7a017cfec576d9babf99cde7"
            },
            {
               "url": "https://git.kernel.org/stable/c/adccdf702b4ea913ded5ff512239e382d7473b63"
            },
            {
               "url": "https://git.kernel.org/stable/c/82f0b6f041fad768c28b4ad05a683065412c226e"
            }
         ],
         "title": "mm: prevent derefencing NULL ptr in pfn_section_valid()",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-41055",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}