{
  "threat_severity" : "Moderate",
  "public_date" : "2025-05-02T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: scsi: qla2xxx: Synchronize the IOCB count to be in order",
    "id" : "2363729",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2363729"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nscsi: qla2xxx: Synchronize the IOCB count to be in order\nA system hang was observed with the following call trace:\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nPGD 0 P4D 0\nOops: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 15 PID: 86747 Comm: nvme Kdump: loaded Not tainted 6.2.0+ #1\nHardware name: Dell Inc. PowerEdge R6515/04F3CJ, BIOS 2.7.3 03/31/2022\nRIP: 0010:__wake_up_common+0x55/0x190\nCode: 41 f6 01 04 0f 85 b2 00 00 00 48 8b 43 08 4c 8d\n40 e8 48 8d 43 08 48 89 04 24 48 89 c6\\\n49 8d 40 18 48 39 c6 0f 84 e9 00 00 00 <49> 8b 40 18 89 6c 24 14 31\ned 4c 8d 60 e8 41 8b 18 f6 c3 04 75 5d\nRSP: 0018:ffffb05a82afbba0 EFLAGS: 00010082\nRAX: 0000000000000000 RBX: ffff8f9b83a00018 RCX: 0000000000000000\nRDX: 0000000000000001 RSI: ffff8f9b83a00020 RDI: ffff8f9b83a00018\nRBP: 0000000000000001 R08: ffffffffffffffe8 R09: ffffb05a82afbbf8\nR10: 70735f7472617473 R11: 5f30307832616c71 R12: 0000000000000001\nR13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000\nFS:  00007f815cf4c740(0000) GS:ffff8f9eeed80000(0000)\nknlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000000 CR3: 000000010633a000 CR4: 0000000000350ee0\nCall Trace:\n<TASK>\n__wake_up_common_lock+0x83/0xd0\nqla_nvme_ls_req+0x21b/0x2b0 [qla2xxx]\n__nvme_fc_send_ls_req+0x1b5/0x350 [nvme_fc]\nnvme_fc_xmt_disconnect_assoc+0xca/0x110 [nvme_fc]\nnvme_fc_delete_association+0x1bf/0x220 [nvme_fc]\n? nvme_remove_namespaces+0x9f/0x140 [nvme_core]\nnvme_do_delete_ctrl+0x5b/0xa0 [nvme_core]\nnvme_sysfs_delete+0x5f/0x70 [nvme_core]\nkernfs_fop_write_iter+0x12b/0x1c0\nvfs_write+0x2a3/0x3b0\nksys_write+0x5f/0xe0\ndo_syscall_64+0x5c/0x90\n? syscall_exit_work+0x103/0x130\n? syscall_exit_to_user_mode+0x12/0x30\n? do_syscall_64+0x69/0x90\n? exit_to_user_mode_loop+0xd0/0x130\n? exit_to_user_mode_prepare+0xec/0x100\n? syscall_exit_to_user_mode+0x12/0x30\n? do_syscall_64+0x69/0x90\n? syscall_exit_to_user_mode+0x12/0x30\n? do_syscall_64+0x69/0x90\nentry_SYSCALL_64_after_hwframe+0x72/0xdc\nRIP: 0033:0x7f815cd3eb97\nThe IOCB counts are out of order and that would block any commands from\ngoing out and subsequently hang the system. Synchronize the IOCB count to\nbe in correct order." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-11-14T00:00:00Z",
    "advisory" : "RHSA-2023:7077",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-513.5.1.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-53056\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53056\nhttps://lore.kernel.org/linux-cve-announce/2025050208-CVE-2023-53056-35a2@gregkh/T" ],
  "name" : "CVE-2023-53056",
  "csaw" : false
}