{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-52698",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-52698"
  ],
  "published": "2024-05-17T14:32:10Z",
  "summary": "calipso: fix memory leak in netlbl_calipso_add_pass()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncalipso: fix memory leak in netlbl_calipso_add_pass()\n\nIf IPv6 support is disabled at boot (ipv6.disable=1),\nthe calipso_init() -> netlbl_calipso_ops_register() function isn't called,\nand the netlbl_calipso_ops_get() function always returns NULL.\nIn this case, the netlbl_calipso_add_pass() function allocates memory\nfor the doi_def variable but doesn't free it with the calipso_doi_free().\n\nBUG: memory leak\nunreferenced object 0xffff888011d68180 (size 64):\n  comm \"syz-executor.1\", pid 10746, jiffies 4295410986 (age 17.928s)\n  hex dump (first 32 bytes):\n    00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<...>] kmalloc include/linux/slab.h:552 [inline]\n    [<...>] netlbl_calipso_add_pass net/netlabel/netlabel_calipso.c:76 [inline]\n    [<...>] netlbl_calipso_add+0x22e/0x4f0 net/netlabel/netlabel_calipso.c:111\n    [<...>] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739\n    [<...>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]\n    [<...>] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800\n    [<...>] netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2515\n    [<...>] genl_rcv+0x29/0x40 net/netlink/genetlink.c:811\n    [<...>] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]\n    [<...>] netlink_unicast+0x54b/0x800 net/netlink/af_netlink.c:1339\n    [<...>] netlink_sendmsg+0x90a/0xdf0 net/netlink/af_netlink.c:1934\n    [<...>] sock_sendmsg_nosec net/socket.c:651 [inline]\n    [<...>] sock_sendmsg+0x157/0x190 net/socket.c:671\n    [<...>] ____sys_sendmsg+0x712/0x870 net/socket.c:2342\n    [<...>] ___sys_sendmsg+0xf8/0x170 net/socket.c:2396\n    [<...>] __sys_sendmsg+0xea/0x1b0 net/socket.c:2429\n    [<...>] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46\n    [<...>] entry_SYSCALL_64_after_hwframe+0x61/0xc6\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with Syzkaller\n\n[PM: merged via the LSM tree at Jakub Kicinski request]",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.75",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-52698"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9a8f811a146aa2a0230f8edb2e9f4b6609aab8da"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/36e19f84634aaa94f543fedc0a07588949638d53"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/44a88650ba55e6a7f2ec485d2c2413ba7e216f01"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a4529a08d3704c17ea9c7277d180e46b99250ded"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/321b3a5592c8a9d6b654c7c64833ea67dbb33149"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/408bbd1e1746fe33e51f4c81c2febd7d3841d031"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f14d36e6e97fe935a20e0ceb159c100f90b6627c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/ec4e9d630a64df500641892f4e259e8149594a99"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}