{
   "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: nft_flow_offload: release dst in case direct xmit path is used\n\nDirect xmit does not use it since it calls dev_queue_xmit() to send\npackets, hence it calls dst_release().\n\nkmemleak reports:\n\nunreferenced object 0xffff88814f440900 (size 184):\n  comm \"softirq\", pid 0, jiffies 4294951896\n  hex dump (first 32 bytes):\n    00 60 5b 04 81 88 ff ff 00 e6 e8 82 ff ff ff ff  .`[.............\n    21 0b 50 82 ff ff ff ff 00 00 00 00 00 00 00 00  !.P.............\n  backtrace (crc cb2bf5d6):\n    [<000000003ee17107>] kmem_cache_alloc+0x286/0x340\n    [<0000000021a5de2c>] dst_alloc+0x43/0xb0\n    [<00000000f0671159>] rt_dst_alloc+0x2e/0x190\n    [<00000000fe5092c9>] __mkroute_output+0x244/0x980\n    [<000000005fb96fb0>] ip_route_output_flow+0xc0/0x160\n    [<0000000045367433>] nf_ip_route+0xf/0x30\n    [<0000000085da1d8e>] nf_route+0x2d/0x60\n    [<00000000d1ecd1cb>] nft_flow_route+0x171/0x6a0 [nft_flow_offload]\n    [<00000000d9b2fb60>] nft_flow_offload_eval+0x4e8/0x700 [nft_flow_offload]\n    [<000000009f447dbb>] expr_call_ops_eval+0x53/0x330 [nf_tables]\n    [<00000000072e1be6>] nft_do_chain+0x17c/0x840 [nf_tables]\n    [<00000000d0551029>] nft_do_chain_inet+0xa1/0x210 [nf_tables]\n    [<0000000097c9d5c6>] nf_hook_slow+0x5b/0x160\n    [<0000000005eccab1>] ip_forward+0x8b6/0x9b0\n    [<00000000553a269b>] ip_rcv+0x221/0x230\n    [<00000000412872e5>] __netif_receive_skb_one_core+0xfe/0x110"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/netfilter/nf_flow_table_core.c"
               ],
               "versions": [
                  {
                     "version": "7c71b831220e",
                     "lessThan": "13b57b5cd591",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9c5662e95a8d",
                     "lessThan": "a6cafdb49a7b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fa502c865666",
                     "lessThan": "9256ab9232e3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fa502c865666",
                     "lessThan": "2d17cf10179a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fa502c865666",
                     "lessThan": "8762785f459b",
                     "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/netfilter/nf_flow_table_core.c"
               ],
               "versions": [
                  {
                     "version": "6.5",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.5",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.19",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.7",
                     "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/13b57b5cd591d5b22f9bbf047b2922967de411f3"
            },
            {
               "url": "https://git.kernel.org/stable/c/a6cafdb49a7bbf4a88367db209703eee6941e023"
            },
            {
               "url": "https://git.kernel.org/stable/c/9256ab9232e35a16af9c30fa4e522e6d1bd3605a"
            },
            {
               "url": "https://git.kernel.org/stable/c/2d17cf10179a7de6d8f0128168b84ad0b4a1863f"
            },
            {
               "url": "https://git.kernel.org/stable/c/8762785f459be1cfe6fcf7285c123aad6a3703f0"
            }
         ],
         "title": "netfilter: nft_flow_offload: release dst in case direct xmit path is used",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-26834",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}