{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.0.12-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.0.12-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.0.12-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  mptcp: fix sleep in atomic at close time  Matt reported a splat at msk close time:      BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877     in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 155, name: packetdrill     preempt_count: 201, expected: 0     RCU nest depth: 0, expected: 0     4 locks held by packetdrill/155:     #0: ffff888001536990 (\u0026sb-\u003es_type-\u003ei_mutex_key#6){+.+.}-{3:3}, at: __sock_release (net/socket.c:650)     #1: ffff88800b498130 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_close (net/mptcp/protocol.c:2973)     #2: ffff88800b49a130 (sk_lock-AF_INET/1){+.+.}-{0:0}, at: __mptcp_close_ssk (net/mptcp/protocol.c:2363)     #3: ffff88800b49a0b0 (slock-AF_INET){+...}-{2:2}, at: __lock_sock_fast (include/net/sock.h:1820)     Preemption disabled at:     0x0     CPU: 1 PID: 155 Comm: packetdrill Not tainted 6.1.0-rc5 #365     Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014     Call Trace:     \u003cTASK\u003e     dump_stack_lvl (lib/dump_stack.c:107 (discriminator 4))     __might_resched.cold (kernel/sched/core.c:9891)     __mptcp_destroy_sock (include/linux/kernel.h:110)     __mptcp_close (net/mptcp/protocol.c:2959)     mptcp_subflow_queue_clean (include/net/sock.h:1777)     __mptcp_close_ssk (net/mptcp/protocol.c:2363)     mptcp_destroy_common (net/mptcp/protocol.c:3170)     mptcp_destroy (include/net/sock.h:1495)     __mptcp_destroy_sock (net/mptcp/protocol.c:2886)     __mptcp_close (net/mptcp/protocol.c:2959)     mptcp_close (net/mptcp/protocol.c:2974)     inet_release (net/ipv4/af_inet.c:432)     __sock_release (net/socket.c:651)     sock_close (net/socket.c:1367)     __fput (fs/file_table.c:320)     task_work_run (kernel/task_work.c:181 (discriminator 1))     exit_to_user_mode_prepare (include/linux/resume_user_mode.h:49)     syscall_exit_to_user_mode (kernel/entry/common.c:130)     do_syscall_64 (arch/x86/entry/common.c:87)     entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)  We can't call mptcp_close under the 'fast' socket lock variant, replace it with a sock_lock_nested() as the relevant code is already under the listening msk socket lock protection.",
  "id": "DEBIAN-CVE-2022-49018",
  "modified": "2026-09-01T19:48:50.925664912Z",
  "published": "2024-10-21T20:15:12.973Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2022-49018"
    }
  ],
  "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-2022-49018"
  ]
}