{
  "cveId": "CVE-2022-48691",
  "url": "https://patchblox.com/security/cve/CVE-2022-48691",
  "summary": "CVE-2022-48691 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48691, released May 3, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  netfilter: nf_tables: clean up hook list when of...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  netfilter: nf_tables: clean up hook list when offload flags check fails  splice back the hook list so nft_chain_release_hook() has a chance to release the hooks.  BUG: memory leak unreferenced object 0xffff88810180b100 (size 96):   comm \u0022syz-executor133\u0022, pid 3619, jiffies 4294945714 (age 12.690s)   hex dump (first 32 bytes):     28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff  (d#.....(d#.....     90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff  ................   backtrace:     [\u003Cffffffff83a8c59b\u003E] kmalloc include/linux/slab.h:600 [inline]     [\u003Cffffffff83a8c59b\u003E] nft_netdev_hook_alloc\u002B0x3b/0xc0 net/netfilter/nf_tables_api.c:1901     [\u003Cffffffff83a9239a\u003E] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]     [\u003Cffffffff83a9239a\u003E] nft_chain_parse_hook\u002B0x33a/0x530 net/netfilter/nf_tables_api.c:2073     [\u003Cffffffff83a9b14b\u003E] nf_tables_addchain.constprop.0\u002B0x10b/0x950 net/netfilter/nf_tables_api.c:2218     [\u003Cffffffff83a9c41b\u003E] nf_tables_newchain\u002B0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593     [\u003Cffffffff83a3d6a6\u003E] nfnetlink_rcv_batch\u002B0xa46/0xd20 net/netfilter/nfnetlink.c:517     [\u003Cffffffff83a3db79\u003E] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]     [\u003Cffffffff83a3db79\u003E] nfnetlink_rcv\u002B0x1f9/0x220 net/netfilter/nfnetlink.c:656     [\u003Cffffffff83a13b17\u003E] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]     [\u003Cffffffff83a13b17\u003E] netlink_unicast\u002B0x397/0x4c0 net/netlink/af_netlink.c:1345     [\u003Cffffffff83a13fd6\u003E] netlink_sendmsg\u002B0x396/0x710 net/netlink/af_netlink.c:1921     [\u003Cffffffff83865ab6\u003E] sock_sendmsg_nosec net/socket.c:714 [inline]     [\u003Cffffffff83865ab6\u003E] sock_sendmsg\u002B0x56/0x80 net/socket.c:734     [\u003Cffffffff8386601c\u003E] ____sys_sendmsg\u002B0x36c/0x390 net/socket.c:2482     [\u003Cffffffff8386a918\u003E] ___sys_sendmsg\u002B0xa8/0x110 net/socket.c:2536     [\u003Cffffffff8386aaa8\u003E] __sys_sendmsg\u002B0x88/0x100 net/socket.c:2565     [\u003Cffffffff845e5955\u003E] do_syscall_x64 arch/x86/entry/common.c:50 [inline]     [\u003Cffffffff845e5955\u003E] do_syscall_64\u002B0x35/0xb0 arch/x86/entry/common.c:80     [\u003Cffffffff84800087\u003E] entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd",
  "published": "2024-05-03T15:15:07Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.0023,
  "epssPercentile": 0.13931,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.19.11-1",
      "fix": "DEBIAN-CVE-2022-48691",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48691",
      "released": "2024-05-03T15:15:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.19.11-1",
      "fix": "DEBIAN-CVE-2022-48691",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48691",
      "released": "2024-05-03T15:15:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.19.11-1",
      "fix": "DEBIAN-CVE-2022-48691",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48691",
      "released": "2024-05-03T15:15:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}