Cloudanix VulnDB

CVE-2024-42287

None

CVSS

—

EPSS

0.3%

Published

Aug 17, 2024

CISA due date

—

Cloudanix analysis

Monitor only SSVC: Track

A bug in the Linux kernel's storage driver can make systems using certain Fibre Channel cards crash during reset operations.

Exploitation
Local Privilege
Attacker needs
Local User
Complexity
Moderate
Impact
Denial Of Service
Component
OS kernel
Class
Race Condition
Remediation
Patch
Effort
Medium
Patch risk
Low

What it actually does

Race condition in qla2xxx SCSI driver allows command completion outside lock during abort in unload path, leading to concurrent access and NULL pointer dereference in dma_direct_unmap_sg.

Why it matters to the business

Unexpected kernel crashes and system reboots on hosts using QLogic Fibre Channel adapters during NPIV operations or firmware resets, causing downtime and potential data path disruption in storage environments.

How an attack unfolds

An attacker with local privileges triggers driver unload or FW reset sequences under NPIV workloads, racing command completion paths to induce the NULL dereference crash observed in dma and qla2xxx abort functions.

How to fix it

Update Linux kernel to include commit 457391b0380335d5e9a5babdec90ac53928b23b4 or later; rebuild and reboot with fixed qla2xxx module; avoid manual driver unload during active NPIV/FW operations until patched.

How to confirm the fix worked

Verify kernel source or binary contains commit 457391b0380335d5e9a5babdec90ac53928b23b4; reproduce NPIV reset and unload under load to confirm no crash; inspect dmesg for absence of the reported oops signature.

Typical attack path

  1. Obtain local access on Linux host with qla2xxx driver loaded
  2. Initiate NPIV port creation or firmware reset operations
  3. Trigger driver unload or abort_all_cmds sequence
  4. Exploit concurrent completion paths to dereference NULL pointer
  5. Cause kernel panic and system crash

How to detect it

Search kernel logs and crash dumps for oops messages containing dma_direct_unmap_sg, qla2xxx_qpair_sp_free_dma, and __qla2x00_abort_all_cmds during driver unload; correlate with NPIV or FW reset events.

  • dma_direct_unmap_sg+0x51/0x1e0
  • qla2xxx_qpair_sp_free_dma+0x29f/0x3b0
  • qla2xxx_qpair_sp_compl+0x60/0x80
  • __qla2x00_abort_all_cmds+0xa2/0x450
  • BUG: kernel NULL pointer dereference, address: 000000000000001c

What your security team should do

  • Apply the referenced kernel commit immediately on affected systems
  • Prioritize patching hosts performing storage virtualization or frequent adapter resets
  • Monitor for kernel panics matching qla2xxx abort paths until upgrade completes
  • Test patched kernels in staging environments replicating NPIV workloads

The record

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Complete command early within lock A crash was observed while performing NPIV and FW reset, BUG: kernel NULL pointer dereference, address: 000000000000001c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 1 PREEMPT_RT SMP NOPTI RIP: 0010:dma_direct_unmap_sg+0x51/0x1e0 RSP: 0018:ffffc90026f47b88 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000021 RCX: 0000000000000002 RDX: 0000000000000021 RSI: 0000000000000000 RDI: ffff8881041130d0 RBP: ffff8881041130d0 R08: 0000000000000000 R09: 0000000000000034 R10: ffffc90026f47c48 R11: 0000000000000031 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8881565e4a20 R15: 0000000000000000 FS: 00007f4c69ed3d00(0000) GS:ffff889faac80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000001c CR3: 0000000288a50002 CR4: 00000000007706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: <TASK> ? __die_body+0x1a/0x60 ? page_fault_oops+0x16f/0x4a0 ? do_user_addr_fault+0x174/0x7f0 ? exc_page_fault+0x69/0x1a0 ? asm_exc_page_fault+0x22/0x30 ? dma_direct_unmap_sg+0x51/0x1e0 ? preempt_count_sub+0x96/0xe0 qla2xxx_qpair_sp_free_dma+0x29f/0x3b0 [qla2xxx] qla2xxx_qpair_sp_compl+0x60/0x80 [qla2xxx] __qla2x00_abort_all_cmds+0xa2/0x450 [qla2xxx] The command completion was done early while aborting the commands in driver unload path but outside lock to avoid the WARN_ON condition of performing dma_free_attr within the lock. However this caused race condition while command completion via multiple paths causing system crash. Hence complete the command early in unload path but within the lock to avoid race condition.

Affected packages

Ecosystem Package Introduced Fixed
Debian:11 linux 0 No fix
Debian:11 linux 0 5.10.226-1
Debian:11 linux-6.1 0 6.1.119-1~deb11u1
Debian:12 linux 0 6.1.106-1
Debian:13 linux 0 6.10.3-1
Linux Kernel 0 5.4.282
Mageia:9 kernel 0 6.6.50-1.mga9
Mageia:9 kernel-linus 0 6.6.50-1.mga9
Mageia:9 kmod-virtualbox 0 7.0.20-53.mga9
Mageia:9 kmod-xtables-addons 0 3.24-61.mga9
SUSE:Linux Enterprise High Availability Extension 12 SP5 kernel-default 0 4.12.14-122.228.1
SUSE:Linux Enterprise High Availability Extension 15 SP5 kernel-default 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise High Availability Extension 15 SP6 kernel-default 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Live Patching 12 SP5 kernel-default 0 4.12.14-122.228.1
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_60 0 1-8.3.1
SUSE:Linux Enterprise Live Patching 15 SP5 kernel-default 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Live Patching 15 SP5 kernel-livepatch-SLE15-SP5-RT_Update_19 0 1-150500.11.3.2
SUSE:Linux Enterprise Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_19 0 1-150500.11.3.2
SUSE:Linux Enterprise Live Patching 15 SP6 kernel-default 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_2 0 1-150600.1.3.2
SUSE:Linux Enterprise Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_4 0 1-150600.13.3.3
SUSE:Linux Enterprise Micro 5.5 kernel-default 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Micro 5.5 kernel-default-base 0 5.14.21-150500.55.80.2.150500.6.35.6
SUSE:Linux Enterprise Micro 5.5 kernel-rt 0 5.14.21-150500.13.67.3
SUSE:Linux Enterprise Micro 5.5 kernel-source-rt 0 5.14.21-150500.13.67.3
SUSE:Linux Enterprise Module for Basesystem 15 SP5 kernel-64kb 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Module for Basesystem 15 SP5 kernel-default 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Module for Basesystem 15 SP5 kernel-default-base 0 5.14.21-150500.55.80.2.150500.6.35.6
SUSE:Linux Enterprise Module for Basesystem 15 SP5 kernel-source 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Module for Basesystem 15 SP5 kernel-zfcpdump 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Module for Basesystem 15 SP6 kernel-64kb 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Basesystem 15 SP6 kernel-default 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Basesystem 15 SP6 kernel-default-base 0 6.4.0-150600.23.22.1.150600.12.8.3
SUSE:Linux Enterprise Module for Basesystem 15 SP6 kernel-source 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Basesystem 15 SP6 kernel-zfcpdump 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Development Tools 15 SP5 kernel-docs 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Module for Development Tools 15 SP5 kernel-obs-build 0 5.14.21-150500.55.80.1
SUSE:Linux Enterprise Module for Development Tools 15 SP5 kernel-source 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Module for Development Tools 15 SP5 kernel-syms 0 5.14.21-150500.55.80.1
SUSE:Linux Enterprise Module for Development Tools 15 SP6 kernel-docs 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Development Tools 15 SP6 kernel-obs-build 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Development Tools 15 SP6 kernel-source 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Development Tools 15 SP6 kernel-syms 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Legacy 15 SP5 kernel-default 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Module for Legacy 15 SP6 kernel-default 0 6.4.0-150600.23.22.1
SUSE:Linux Enterprise Module for Public Cloud 15 SP5 kernel-azure 0 5.14.21-150500.33.66.1
SUSE:Linux Enterprise Module for Public Cloud 15 SP5 kernel-source-azure 0 5.14.21-150500.33.66.1
SUSE:Linux Enterprise Module for Public Cloud 15 SP5 kernel-syms-azure 0 5.14.21-150500.33.66.1
SUSE:Linux Enterprise Module for Public Cloud 15 SP6 kernel-azure 0 6.4.0-150600.8.11.1
SUSE:Linux Enterprise Module for Public Cloud 15 SP6 kernel-source-azure 0 6.4.0-150600.8.11.1
SUSE:Linux Enterprise Module for Public Cloud 15 SP6 kernel-syms-azure 0 6.4.0-150600.8.11.1
SUSE:Linux Enterprise Real Time 12 SP5 kernel-rt 0 4.12.14-10.200.1
SUSE:Linux Enterprise Real Time 12 SP5 kernel-rt_debug 0 4.12.14-10.200.1
SUSE:Linux Enterprise Real Time 12 SP5 kernel-source-rt 0 4.12.14-10.200.1
SUSE:Linux Enterprise Real Time 12 SP5 kernel-syms-rt 0 4.12.14-10.200.1
SUSE:Linux Enterprise Server 12 SP5 kernel-azure 0 4.12.14-16.197.1
SUSE:Linux Enterprise Server 12 SP5 kernel-default 0 4.12.14-122.228.1
SUSE:Linux Enterprise Server 12 SP5 kernel-source 0 4.12.14-122.228.1
SUSE:Linux Enterprise Server 12 SP5 kernel-source-azure 0 4.12.14-16.197.1
SUSE:Linux Enterprise Server 12 SP5 kernel-syms 0 4.12.14-122.228.1
SUSE:Linux Enterprise Server 12 SP5 kernel-syms-azure 0 4.12.14-16.197.1
SUSE:Linux Enterprise Server for SAP Applications 12 SP5 kernel-azure 0 4.12.14-16.197.1
SUSE:Linux Enterprise Server for SAP Applications 12 SP5 kernel-default 0 4.12.14-122.228.1
SUSE:Linux Enterprise Server for SAP Applications 12 SP5 kernel-source 0 4.12.14-122.228.1
SUSE:Linux Enterprise Server for SAP Applications 12 SP5 kernel-source-azure 0 4.12.14-16.197.1
SUSE:Linux Enterprise Server for SAP Applications 12 SP5 kernel-syms 0 4.12.14-122.228.1
SUSE:Linux Enterprise Server for SAP Applications 12 SP5 kernel-syms-azure 0 4.12.14-16.197.1
SUSE:Linux Enterprise Software Development Kit 12 SP5 kernel-docs 0 4.12.14-122.228.2
SUSE:Linux Enterprise Software Development Kit 12 SP5 kernel-obs-build 0 4.12.14-122.228.2
SUSE:Linux Enterprise Workstation Extension 12 SP5 kernel-default 0 4.12.14-122.228.1
SUSE:Linux Enterprise Workstation Extension 15 SP5 kernel-default 0 5.14.21-150500.55.80.2
SUSE:Linux Enterprise Workstation Extension 15 SP6 kernel-default 0 6.4.0-150600.23.22.1
SUSE:Real Time Module 15 SP5 kernel-rt 0 5.14.21-150500.13.67.3
SUSE:Real Time Module 15 SP5 kernel-rt_debug 0 5.14.21-150500.13.67.3
SUSE:Real Time Module 15 SP5 kernel-source-rt 0 5.14.21-150500.13.67.3
SUSE:Real Time Module 15 SP5 kernel-syms-rt 0 5.14.21-150500.13.67.1
SUSE:Real Time Module 15 SP6 kernel-rt 0 6.4.0-150600.10.8.3
SUSE:Real Time Module 15 SP6 kernel-rt_debug 0 6.4.0-150600.10.8.3
SUSE:Real Time Module 15 SP6 kernel-source-rt 0 6.4.0-150600.10.8.3
SUSE:Real Time Module 15 SP6 kernel-syms-rt 0 6.4.0-150600.10.8.1
Ubuntu:14.04:LTS linux 0 3.11.0-12.19
Ubuntu:14.04:LTS linux-aws 0 4.4.0-1002.2
Ubuntu:14.04:LTS linux-azure 0 4.15.0-1023.24~14.04.1
Ubuntu:14.04:LTS linux-lts-xenial 0 4.4.0-13.29~14.04.1
Ubuntu:16.04:LTS linux 0 4.4.0-2.16
Ubuntu:16.04:LTS linux-aws 0 4.4.0-1001.10
Ubuntu:16.04:LTS linux-aws-hwe 0 4.15.0-1030.31~16.04.1
Ubuntu:16.04:LTS linux-azure 0 4.11.0-1009.9
Ubuntu:16.04:LTS linux-gcp 0 4.10.0-1004.4
Ubuntu:16.04:LTS linux-hwe 0 4.8.0-39.42~16.04.1
Ubuntu:16.04:LTS linux-hwe-edge 0 No fix
Ubuntu:16.04:LTS linux-kvm 0 4.4.0-1004.9
Ubuntu:16.04:LTS linux-oracle 0 4.15.0-1007.9~16.04.1
Ubuntu:18.04:LTS linux 0 4.13.0-16.19
Ubuntu:18.04:LTS linux-aws 0 4.15.0-1001.1
Ubuntu:18.04:LTS linux-aws-5.0 0 No fix
Ubuntu:18.04:LTS linux-aws-5.3 0 No fix
Ubuntu:18.04:LTS linux-aws-5.4 0 5.4.0-1018.18~18.04.1
Ubuntu:18.04:LTS linux-azure 0 No fix
Ubuntu:18.04:LTS linux-azure-4.15 0 4.15.0-1082.92
Ubuntu:18.04:LTS linux-azure-5.3 0 No fix
Ubuntu:18.04:LTS linux-azure-5.4 0 5.4.0-1020.20~18.04.1
Ubuntu:18.04:LTS linux-azure-edge 0 No fix
Ubuntu:18.04:LTS linux-gcp 0 No fix
Ubuntu:18.04:LTS linux-gcp-4.15 0 4.15.0-1071.81
Ubuntu:18.04:LTS linux-gcp-5.3 0 No fix
Ubuntu:18.04:LTS linux-gcp-5.4 0 5.4.0-1019.19~18.04.2
Ubuntu:18.04:LTS linux-gke-4.15 0 No fix
Ubuntu:18.04:LTS linux-gke-5.4 0 No fix
Ubuntu:18.04:LTS linux-gkeop-5.4 0 No fix
Ubuntu:18.04:LTS linux-hwe 0 No fix
Ubuntu:18.04:LTS linux-hwe-5.4 0 5.4.0-37.41~18.04.1
Ubuntu:18.04:LTS linux-hwe-edge 0 5.0.0-15.16~18.04.1
Ubuntu:18.04:LTS linux-ibm-5.4 0 5.4.0-1010.11~18.04.2
Ubuntu:18.04:LTS linux-kvm 0 4.15.0-1002.2
Ubuntu:18.04:LTS linux-oem 0 No fix
Ubuntu:18.04:LTS linux-oracle 0 4.15.0-1007.9
Ubuntu:18.04:LTS linux-oracle-5.0 0 No fix
Ubuntu:18.04:LTS linux-oracle-5.3 0 No fix
Ubuntu:18.04:LTS linux-oracle-5.4 0 5.4.0-1019.19~18.04.1
Ubuntu:18.04:LTS linux-raspi-5.4 0 5.4.0-1013.13~18.04.1
Ubuntu:20.04:LTS linux 0 5.4.0-200.220
Ubuntu:20.04:LTS linux-aws 0 5.4.0-1135.145
Ubuntu:20.04:LTS linux-aws-5.11 0 No fix
Ubuntu:20.04:LTS linux-aws-5.13 0 No fix
Ubuntu:20.04:LTS linux-aws-5.15 0 5.15.0-1072.78~20.04.1
Ubuntu:20.04:LTS linux-aws-5.8 0 No fix
Ubuntu:20.04:LTS linux-azure 0 5.4.0-1140.147
Ubuntu:20.04:LTS linux-azure-5.11 0 No fix
Ubuntu:20.04:LTS linux-azure-5.13 0 No fix
Ubuntu:20.04:LTS linux-azure-5.15 0 5.15.0-1078.87~20.04.1
Ubuntu:20.04:LTS linux-azure-5.8 0 No fix
Ubuntu:20.04:LTS linux-azure-fde 0 No fix
Ubuntu:20.04:LTS linux-azure-fde-5.15 0 No fix
Ubuntu:20.04:LTS linux-bluefield 0 5.4.0-1095.102
Ubuntu:20.04:LTS linux-gcp 0 5.4.0-1139.148
Ubuntu:20.04:LTS linux-gcp-5.11 0 No fix
Ubuntu:20.04:LTS linux-gcp-5.13 0 No fix
Ubuntu:20.04:LTS linux-gcp-5.15 0 5.15.0-1071.79~20.04.1
Ubuntu:20.04:LTS linux-gcp-5.8 0 No fix
Ubuntu:20.04:LTS linux-gke 0 No fix
Ubuntu:20.04:LTS linux-gke-5.15 0 No fix
Ubuntu:20.04:LTS linux-gkeop 0 5.4.0-1102.106
Ubuntu:20.04:LTS linux-gkeop-5.15 0 5.15.0-1055.62~20.04.1
Ubuntu:20.04:LTS linux-hwe-5.11 0 No fix
Ubuntu:20.04:LTS linux-hwe-5.13 0 No fix
Ubuntu:20.04:LTS linux-hwe-5.15 0 5.15.0-125.135~20.04.1
Ubuntu:20.04:LTS linux-hwe-5.8 0 No fix
Ubuntu:20.04:LTS linux-ibm 0 5.4.0-1082.87
Ubuntu:20.04:LTS linux-ibm-5.15 0 5.15.0-1065.68~20.04.1
Ubuntu:20.04:LTS linux-intel-5.13 0 No fix
Ubuntu:20.04:LTS linux-intel-iotg-5.15 0 5.15.0-1067.73~20.04.1
Ubuntu:20.04:LTS linux-iot 0 5.4.0-1044.45
Ubuntu:20.04:LTS linux-kvm 0 5.4.0-1123.131
Ubuntu:20.04:LTS linux-lowlatency-hwe-5.15 0 5.15.0-125.135~20.04.1
Ubuntu:20.04:LTS linux-nvidia-tegra-5.15 0 5.15.0-1032.32~20.04.1
Ubuntu:20.04:LTS linux-oem-5.10 0 No fix
Ubuntu:20.04:LTS linux-oem-5.13 0 No fix
Ubuntu:20.04:LTS linux-oem-5.14 0 No fix
Ubuntu:20.04:LTS linux-oem-5.6 0 No fix
Ubuntu:20.04:LTS linux-oracle 0 5.4.0-1134.143
Ubuntu:20.04:LTS linux-oracle-5.11 0 No fix
Ubuntu:20.04:LTS linux-oracle-5.13 0 No fix
Ubuntu:20.04:LTS linux-oracle-5.15 0 5.15.0-1070.76~20.04.1
Ubuntu:20.04:LTS linux-oracle-5.8 0 No fix
Ubuntu:20.04:LTS linux-raspi 0 5.4.0-1119.131
Ubuntu:20.04:LTS linux-raspi2 0 No fix
Ubuntu:20.04:LTS linux-riscv 0 No fix
Ubuntu:20.04:LTS linux-riscv-5.11 0 No fix
Ubuntu:20.04:LTS linux-riscv-5.15 0 5.15.0-1068.72~20.04.1
Ubuntu:20.04:LTS linux-riscv-5.8 0 No fix
Ubuntu:20.04:LTS linux-xilinx-zynqmp 0 5.4.0-1054.58
Ubuntu:22.04:LTS linux 0 5.15.0-125.135
Ubuntu:22.04:LTS linux-allwinner-5.19 0 No fix
Ubuntu:22.04:LTS linux-aws 0 5.15.0-1072.78
Ubuntu:22.04:LTS linux-aws-5.19 0 No fix
Ubuntu:22.04:LTS linux-aws-6.2 0 No fix
Ubuntu:22.04:LTS linux-aws-6.5 0 No fix
Ubuntu:22.04:LTS linux-aws-6.8 0 6.8.0-1020.22~22.04.1
Ubuntu:22.04:LTS linux-azure 0 5.15.0-1075.84
Ubuntu:22.04:LTS linux-azure-5.19 0 No fix
Ubuntu:22.04:LTS linux-azure-6.2 0 No fix
Ubuntu:22.04:LTS linux-azure-6.5 0 No fix
Ubuntu:22.04:LTS linux-azure-6.8 0 6.8.0-1020.23~22.04.1
Ubuntu:22.04:LTS linux-azure-fde 0 No fix
Ubuntu:22.04:LTS linux-azure-fde-5.19 0 No fix
Ubuntu:22.04:LTS linux-azure-fde-6.2 0 No fix
Ubuntu:22.04:LTS linux-gcp 0 5.15.0-1071.79
Ubuntu:22.04:LTS linux-gcp-5.19 0 No fix
Ubuntu:22.04:LTS linux-gcp-6.2 0 No fix
Ubuntu:22.04:LTS linux-gcp-6.5 0 No fix
Ubuntu:22.04:LTS linux-gcp-6.8 0 6.8.0-1019.21~22.04.1
Ubuntu:22.04:LTS linux-gke 0 5.15.0-1069.75
Ubuntu:22.04:LTS linux-gkeop 0 5.15.0-1055.62
Ubuntu:22.04:LTS linux-hwe-5.19 0 No fix
Ubuntu:22.04:LTS linux-hwe-6.2 0 No fix
Ubuntu:22.04:LTS linux-hwe-6.5 0 No fix
Ubuntu:22.04:LTS linux-hwe-6.8 0 6.8.0-50.51~22.04.1
Ubuntu:22.04:LTS linux-ibm 0 5.15.0-1065.68
Ubuntu:22.04:LTS linux-ibm-6.8 0 6.8.0-1017.17~22.04.1

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