{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.18.14-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.18.14-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.18.14-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "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){+.+.}-{3:3}, at: netlink_dump+0xae/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+0xcd/0x134 lib/dump_stack.c:106  in6_dump_addrs+0x12d1/0x1790 net/ipv6/addrconf.c:5175  inet6_dump_addr+0x9c1/0xb50 net/ipv6/addrconf.c:5300  netlink_dump+0x541/0xc20 net/netlink/af_netlink.c:2275  __netlink_dump_start+0x647/0x900 net/netlink/af_netlink.c:2380  netlink_dump_start include/linux/netlink.h:245 [inline]  rtnetlink_rcv_msg+0x73e/0xc90 net/core/rtnetlink.c:6046  netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501  netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]  netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345  netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921  sock_sendmsg_nosec net/socket.c:714 [inline]  sock_sendmsg+0xcf/0x120 net/socket.c:734  ____sys_sendmsg+0x6eb/0x810 net/socket.c:2492  ___sys_sendmsg+0xf3/0x170 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+0x132/0x220 net/socket.c:2582  do_syscall_x64 arch/x86/entry/common.c:50 [inline]  do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80  entry_SYSCALL_64_after_hwframe+0x46/0xb0",
  "id": "DEBIAN-CVE-2022-49662",
  "modified": "2026-09-01T19:48:23.362642077Z",
  "published": "2025-02-26T07:01:41.230Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2022-49662"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2022-49662"
  ]
}