{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: openvswitch: Fix Use-After-Free in ovs_ct_exit\n\nSince kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal\nof ovs_ct_limit_exit, is not part of the RCU read critical section, it\nis possible that the RCU grace period will pass during the traversal and\nthe key will be free.\n\nTo prevent this, it should be changed to hlist_for_each_entry_safe."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/openvswitch/conntrack.c"
               ],
               "versions": [
                  {
                     "version": "11efd5cb04a1",
                     "lessThan": "2db9a8c0a01f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11efd5cb04a1",
                     "lessThan": "589523cf0b38",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11efd5cb04a1",
                     "lessThan": "35880c3fa6f8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11efd5cb04a1",
                     "lessThan": "9048616553c6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11efd5cb04a1",
                     "lessThan": "bca6fa2d9a9f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11efd5cb04a1",
                     "lessThan": "eaa5e164a211",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11efd5cb04a1",
                     "lessThan": "edee0758747d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11efd5cb04a1",
                     "lessThan": "5ea7b72d4fac",
                     "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/openvswitch/conntrack.c"
               ],
               "versions": [
                  {
                     "version": "4.18",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.18",
                     "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/2db9a8c0a01fa1c762c1e61a13c212c492752994"
            },
            {
               "url": "https://git.kernel.org/stable/c/589523cf0b384164e445dd5db8d5b1bf97982424"
            },
            {
               "url": "https://git.kernel.org/stable/c/35880c3fa6f8fe281a19975d2992644588ca33d3"
            },
            {
               "url": "https://git.kernel.org/stable/c/9048616553c65e750d43846f225843ed745ec0d4"
            },
            {
               "url": "https://git.kernel.org/stable/c/bca6fa2d9a9f560e6b89fd5190b05cc2f5d422c1"
            },
            {
               "url": "https://git.kernel.org/stable/c/eaa5e164a2110d2fb9e16c8a29e4501882235137"
            },
            {
               "url": "https://git.kernel.org/stable/c/edee0758747d7c219e29db9ed1d4eb33e8d32865"
            },
            {
               "url": "https://git.kernel.org/stable/c/5ea7b72d4fac2fdbc0425cd8f2ea33abe95235b2"
            }
         ],
         "title": "net: openvswitch: Fix Use-After-Free in ovs_ct_exit",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-27395",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}