{
  "cveId": "CVE-2022-49662",
  "url": "https://patchblox.com/security/cve/CVE-2022-49662",
  "summary": "CVE-2022-49662 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49662, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  ipv6: fix lockdep splat in in6_dump_addrs()  As...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  ipv6: fix lockdep splat in in6_dump_addrs()  As reported by syzbot, we should not use rcu_dereference() when rcu_read_lock() is not held.  WARNING: suspicious RCU usage 5.19.0-rc2-syzkaller #0 Not tainted  net/ipv6/addrconf.c:5175 suspicious rcu_dereference_check() usage!  other info that might help us debug this:  rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor326/3617:  #0: ffffffff8d5848e8 (rtnl_mutex){\u002B.\u002B.}-{3:3}, at: netlink_dump\u002B0xae/0xc20 net/netlink/af_netlink.c:2223  stack backtrace: CPU: 0 PID: 3617 Comm: syz-executor326 Not tainted 5.19.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace:  \u003CTASK\u003E  __dump_stack lib/dump_stack.c:88 [inline]  dump_stack_lvl\u002B0xcd/0x134 lib/dump_stack.c:106  in6_dump_addrs\u002B0x12d1/0x1790 net/ipv6/addrconf.c:5175  inet6_dump_addr\u002B0x9c1/0xb50 net/ipv6/addrconf.c:5300  netlink_dump\u002B0x541/0xc20 net/netlink/af_netlink.c:2275  __netlink_dump_start\u002B0x647/0x900 net/netlink/af_netlink.c:2380  netlink_dump_start include/linux/netlink.h:245 [inline]  rtnetlink_rcv_msg\u002B0x73e/0xc90 net/core/rtnetlink.c:6046  netlink_rcv_skb\u002B0x153/0x420 net/netlink/af_netlink.c:2501  netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]  netlink_unicast\u002B0x543/0x7f0 net/netlink/af_netlink.c:1345  netlink_sendmsg\u002B0x917/0xe10 net/netlink/af_netlink.c:1921  sock_sendmsg_nosec net/socket.c:714 [inline]  sock_sendmsg\u002B0xcf/0x120 net/socket.c:734  ____sys_sendmsg\u002B0x6eb/0x810 net/socket.c:2492  ___sys_sendmsg\u002B0xf3/0x170 net/socket.c:2546  __sys_sendmsg net/socket.c:2575 [inline]  __do_sys_sendmsg net/socket.c:2584 [inline]  __se_sys_sendmsg net/socket.c:2582 [inline]  __x64_sys_sendmsg\u002B0x132/0x220 net/socket.c:2582  do_syscall_x64 arch/x86/entry/common.c:50 [inline]  do_syscall_64\u002B0x35/0xb0 arch/x86/entry/common.c:80  entry_SYSCALL_64_after_hwframe\u002B0x46/0xb0",
  "published": "2025-02-26T07:01:41Z",
  "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": 0.00275,
  "epssPercentile": 0.20083,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.18.14-1",
      "fix": "DEBIAN-CVE-2022-49662",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49662",
      "released": "2025-02-26T07:01:41Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.18.14-1",
      "fix": "DEBIAN-CVE-2022-49662",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49662",
      "released": "2025-02-26T07:01:41Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.18.14-1",
      "fix": "DEBIAN-CVE-2022-49662",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49662",
      "released": "2025-02-26T07:01:41Z"
    }
  ],
  "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"
  }
}