{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: use timestamp to check for set element timeout\n\nAdd a timestamp field at the beginning of the transaction, store it\nin the nftables per-netns area.\n\nUpdate set backend .insert, .deactivate and sync gc path to use the\ntimestamp, this avoids that an element expires while control plane\ntransaction is still unfinished.\n\n.lookup and .update, which are used from packet path, still use the\ncurrent time to check if the element has expired. And .get path and dump\nalso since this runs lockless under rcu read size lock. Then, there is\nasync gc which also needs to check the current time since it runs\nasynchronously from a workqueue."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "include/net/netfilter/nf_tables.h",
                  "net/netfilter/nf_tables_api.c",
                  "net/netfilter/nft_set_hash.c",
                  "net/netfilter/nft_set_pipapo.c",
                  "net/netfilter/nft_set_rbtree.c"
               ],
               "versions": [
                  {
                     "version": "c3e1b005ed1c",
                     "lessThan": "f8dfda798650",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c3e1b005ed1c",
                     "lessThan": "eaf1a29ea5d7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c3e1b005ed1c",
                     "lessThan": "7b17de2a71e5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c3e1b005ed1c",
                     "lessThan": "0d40e8cb1d1f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c3e1b005ed1c",
                     "lessThan": "b45176b86967",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c3e1b005ed1c",
                     "lessThan": "383182db8d58",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c3e1b005ed1c",
                     "lessThan": "7395dfacfff6",
                     "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/net/netfilter/nf_tables.h",
                  "net/netfilter/nf_tables_api.c",
                  "net/netfilter/nft_set_hash.c",
                  "net/netfilter/nft_set_pipapo.c",
                  "net/netfilter/nft_set_rbtree.c"
               ],
               "versions": [
                  {
                     "version": "4.1",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.1",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.320",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.282",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.224",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.165",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.97",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.5",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/f8dfda798650241c1692058713ca4fef8e429061"
            },
            {
               "url": "https://git.kernel.org/stable/c/eaf1a29ea5d7dba8e84e9e9f3b3f47d0cd540bfe"
            },
            {
               "url": "https://git.kernel.org/stable/c/7b17de2a71e56c10335b565cc7ad238e6d984379"
            },
            {
               "url": "https://git.kernel.org/stable/c/0d40e8cb1d1f56a994cdd2e015af622fdca9ed4d"
            },
            {
               "url": "https://git.kernel.org/stable/c/b45176b869673417ace338b87cf9cdb66e2eeb01"
            },
            {
               "url": "https://git.kernel.org/stable/c/383182db8d58c4237772ba0764cded4938a235c3"
            },
            {
               "url": "https://git.kernel.org/stable/c/7395dfacfff65e9938ac0889dafa1ab01e987d15"
            }
         ],
         "title": "netfilter: nf_tables: use timestamp to check for set element timeout",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-27397",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}