{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions\n\nWhile running the self-tests on a KASAN enabled kernel, I observed a\nslab-out-of-bounds splat very similar to the one reported in\ncommit 821bbf79fe46 (\"ipv6: Fix KASAN: slab-out-of-bounds Read in\n fib6_nh_flush_exceptions\").\n\nWe additionally need to take care of fib6_metrics initialization\nfailure when the caller provides an nh.\n\nThe fix is similar, explicitly free the route instead of calling\nfib6_info_release on a half-initialized object."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/ipv6/route.c"
               ],
               "versions": [
                  {
                     "version": "f88d8ea67fbd",
                     "lessThan": "830251361425",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "f88d8ea67fbd",
                     "lessThan": "ce8fafb68051",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "f88d8ea67fbd",
                     "lessThan": "115784bcccf1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "f88d8ea67fbd",
                     "lessThan": "8fb4792f091e",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/ipv6/route.c"
               ],
               "versions": [
                  {
                     "version": "5.3",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.3",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.136",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.54",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.13.6",
                     "lessThanOrEqual": "5.13.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.14",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/830251361425c5be044db4d826aaf304ea3d14c6"
            },
            {
               "url": "https://git.kernel.org/stable/c/ce8fafb68051fba52546f8bbe8621f7641683680"
            },
            {
               "url": "https://git.kernel.org/stable/c/115784bcccf135c3a3548098153413d76f16aae0"
            },
            {
               "url": "https://git.kernel.org/stable/c/8fb4792f091e608a0a1d353dfdf07ef55a719db5"
            }
         ],
         "title": "ipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47291",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}