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High · 7.0 CVE-2024-38555 EUVD-2024-37418GHSA-3q8r-mh7f-v4r2

net/mlx5: Discard command completions in internal error

Published Jun 19, 2024 · Updated Aug 5, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-fips Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-azure-fips Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

net/mlx5: Discard command completions in internal error

Fix use after free when FW completion arrives while device is in
internal error state. Avoid calling completion handler in this case,
since the device will flush the command interface and trigger all
completions manually.

Kernel log:
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
...
RIP: 0010:refcount_warn_saturate+0xd8/0xe0
...
Call Trace:
<IRQ>
? __warn+0x79/0x120
? refcount_warn_saturate+0xd8/0xe0
? report_bug+0x17c/0x190
? handle_bug+0x3c/0x60
? exc_invalid_op+0x14/0x70
? asm_exc_invalid_op+0x16/0x20
? refcount_warn_saturate+0xd8/0xe0
cmd_ent_put+0x13b/0x160 [mlx5_core]
mlx5_cmd_comp_handler+0x5f9/0x670 [mlx5_core]
cmd_comp_notifier+0x1f/0x30 [mlx5_core]
notifier_call_chain+0x35/0xb0
atomic_notifier_call_chain+0x16/0x20
mlx5_eq_async_int+0xf6/0x290 [mlx5_core]
notifier_call_chain+0x35/0xb0
atomic_notifier_call_chain+0x16/0x20
irq_int_handler+0x19/0x30 [mlx5_core]
__handle_irq_event_percpu+0x4b/0x160
handle_irq_event+0x2e/0x80
handle_edge_irq+0x98/0x230
__common_interrupt+0x3b/0xa0
common_interrupt+0x7b/0xa0
</IRQ>
<TASK>
asm_common_interrupt+0x22/0x40

Affected products

VendorProductAffectedFixed
Linux Linux 5.10.20 – < 5.10.219, 5.11.3 – < 5.12, 5.12 5.10.219

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.8.12-1 —
Debian 13 linux 6.8.12-1 —
Debian 12 linux 6.1.94-1 —
Debian 11 linux 5.10.221-1 DSA-5730-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1052.54 —
Ubuntu 24.04 LTS linux 6.8.0-40.40 USN-6949-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1013.14 USN-6949-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1012.14 USN-6952-2
Ubuntu 24.04 LTS linux-gcp 6.8.0-1012.13 USN-6949-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1008.11 USN-6949-1
Ubuntu 24.04 LTS linux-ibm +2 6.8.0-1010.10 USN-6955-1, USN-6952-1, USN-6949-1
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1011.11 USN-6949-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1011.11.1 USN-6952-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1009.10 USN-6949-2
Ubuntu 24.04 LTS linux-riscv +1 6.8.0-40.40.1 USN-6949-2
Ubuntu 22.04 LTS linux +1 5.15.0-121.131 USN-7007-3, USN-7007-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1069.75 USN-7007-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1013.14~22.04.1 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1072.81 USN-7009-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1012.14~22.04.1 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1072.81.1 USN-7009-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1068.76 USN-7007-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1012.13~22.04.1 —
Ubuntu 22.04 LTS linux-gke 5.15.0-1066.72 USN-7007-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1052.59 USN-7007-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-40.40~22.04.3 —
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1062.65 USN-7007-1
Ubuntu 22.04 LTS linux-ibm-6.8 +1 6.8.0-1010.10~22.04.1 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1064.70 USN-7007-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1066.71 USN-7007-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1064.65 USN-7007-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1011.11~22.04.1 USN-6949-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1028.28 —
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1016.16 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1067.73 USN-7007-1
Ubuntu 22.04 LTS linux-riscv +31 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 +1 6.8.0-40.40.1~22.04.1 —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1035.39 USN-7019-1
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1069.75~20.04.1 USN-7007-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1072.81~20.04.1 USN-7009-1
Ubuntu 20.04 LTS linux-azure-fde-5.15 5.15.0-1072.81~20.04.1.1 USN-7009-2
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1068.76~20.04.1 USN-7007-1
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1052.59~20.04.1 USN-7007-1
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-121.131~20.04.1 USN-7007-3, USN-7007-1
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1062.65~20.04.1 USN-7007-2
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1064.70~20.04.1 USN-7007-1
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1030.30~20.04.1 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1067.73~20.04.1 USN-7007-2
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1065.69~20.04.1 —
Ubuntu 18.04 LTS linux-gcp +13 No fix yet —
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2008.8 —
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1006.6 —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1063.65 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1070.78 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1006.6~22.04.1 —
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-78.78+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1069.75+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1072.81+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-121.131+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1068.76+fips1 —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.4.0-503.11.1.el9_5 RHSA-2024:9315
RHEL 9 rv +67 5.14.0-503.11.1.el9_5 RHSA-2024:9315
RHEL 8 kernel-rt +12 4.18.0-553.16.1.rt7.357.el8_10 RHSA-2024:5102
RHEL 8 perf +26 4.18.0-553.16.1.el8_10 RHSA-2024:5101
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.4 EUS bpftool 7.3.0-427.47.1.el9_4 RHSA-2024:10771
RHEL 9.4 EUS rv +64 5.14.0-427.47.1.el9_4 RHSA-2024:10771
RHEL 9.2 EUS bpftool 7.0.0-284.79.1.el9_2 RHSA-2024:5364
RHEL 9.2 EUS kernel-rt +14 5.14.0-284.79.1.rt14.364.el9_2 RHSA-2024:5365
RHEL 9.2 EUS perf +48 5.14.0-284.79.1.el9_2 RHSA-2024:5364
RHEL 8.8 EUS perf +26 4.18.0-477.67.1.el8_8 RHSA-2024:5255
RHEL 8.6 TUS perf +17 4.18.0-372.115.1.el8_6 RHSA-2024:5065
RHEL 8.6 E4S perf +25 4.18.0-372.115.1.el8_6 RHSA-2024:5065
RHEL 8.6 AUS perf +17 4.18.0-372.115.1.el8_6 RHSA-2024:5065

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 kernel-rt +11 4.18.0-553.16.1.rt7.357.el8_10 ALSA-2024:5102
AlmaLinux 8 perf +24 4.18.0-553.16.1.el8_10 ALSA-2024:5101

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 kernel 4.18.0-553.16.1.el8_10 RXSA-2024:5101, RLSA-2024:5101
Rocky Linux 8 kernel-rt 4.18.0-553.16.1.rt7.357.el8_10 RLSA-2024:5102
ReleasePackageFixed inAdvisory
SLES 15 SP6 kernel-64kb 6.4.0-150600.23.14.1 SUSE-SU-2024:2571-1
SLES 15 SP6 kernel-azure +1 6.4.0-150600.8.8.2 SUSE-SU-2024:2896-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.14.2.150600.12.4.3 SUSE-SU-2024:2571-1
SLES 15 SP6 kernel-docs +5 6.4.0-150600.23.14.2 SUSE-SU-2024:2571-1
SLES 15 SP6 kernel-syms-azure 6.4.0-150600.8.8.1 SUSE-SU-2024:2896-1
SLES 15 SP5 kernel-64kb +5 5.14.21-150500.55.73.1 SUSE-SU-2024:2939-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.60.1 SUSE-SU-2024:2947-1, SUSE-SU-2024:2372-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.73.1.150500.6.33.8 SUSE-SU-2024:2939-1
SLES 15 SP5 kernel-docs 5.14.21-150500.55.73.2 SUSE-SU-2024:2939-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.128.1 SUSE-SU-2024:2929-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:2929-1
Show 13 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:2929-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.128.1 SUSE-SU-2024:2929-1
SLE Micro 6.0 kernel-default-base 6.4.0-17.1.1.51 SUSE-SU-2025:20008-1
SLE Micro 6.0 kernel-rt +1 6.4.0-9.1 SUSE-SU-2025:20028-1
SLE Micro 6.0 kernel-source +2 6.4.0-18.1 SUSE-SU-2025:20008-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.73.1 SUSE-SU-2024:2939-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.73.1.150500.6.33.8 SUSE-SU-2024:2939-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.61.1 SUSE-SU-2024:2894-1, SUSE-SU-2024:2394-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.128.1 SUSE-SU-2024:2929-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:2929-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.88.1 SUSE-SU-2024:2902-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.128.1 SUSE-SU-2024:2929-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:2929-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.88.1 SUSE-SU-2024:2902-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.14.2 SUSE-SU-2024:2571-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_1 1-150600.1.5.1 SUSE-SU-2024:2973-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_2 1-150600.13.3.2 SUSE-SU-2024:2571-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.73.1 SUSE-SU-2024:2939-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_17 +2 1-150500.11.3.1 SUSE-SU-2024:2939-1, SUSE-SU-2024:2894-1, SUSE-SU-2024:2394-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.128.1 SUSE-SU-2024:2929-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_29 1-150400.9.3.1 SUSE-SU-2024:2929-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.128.1 SUSE-SU-2024:2929-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:2929-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.5.1 SUSE-SU-2024:2973-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.61.1 SUSE-SU-2024:2894-1, SUSE-SU-2024:2394-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:2929-1
SUSE Manager Server 4.3 kernel-syms +3 5.14.21-150400.24.128.1 SUSE-SU-2024:2929-1
SUSE Manager Proxy 4.3 kernel-default-base 5.14.21-150400.24.128.1.150400.24.62.1 SUSE-SU-2024:2929-1
SUSE Manager Proxy 4.3 kernel-syms +2 5.14.21-150400.24.128.1 SUSE-SU-2024:2929-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +1 6.4.0-150600.23.14.1 SUSE-SU-2024:2571-1
openSUSE Leap 15.6 kernel-azure +1 6.4.0-150600.8.8.2 SUSE-SU-2024:2896-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.14.2.150600.12.4.3 SUSE-SU-2024:2571-1
openSUSE Leap 15.6 kernel-docs +8 6.4.0-150600.23.14.2 SUSE-SU-2024:2571-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.5.1 SUSE-SU-2024:2973-1
openSUSE Leap 15.6 kernel-syms-azure 6.4.0-150600.8.8.1 SUSE-SU-2024:2896-1
openSUSE Leap 15.5 dtb-aarch64 +9 5.14.21-150500.55.73.1 SUSE-SU-2024:2939-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.60.1 SUSE-SU-2024:2947-1, SUSE-SU-2024:2372-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.73.1.150500.6.33.8 SUSE-SU-2024:2939-1
openSUSE Leap 15.5 kernel-docs 5.14.21-150500.55.73.2 SUSE-SU-2024:2939-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.61.1 SUSE-SU-2024:2894-1, SUSE-SU-2024:2394-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.5 kernel-default 5.14.21-150500.55.73.1 SUSE-SU-2024:2939-1
openSUSE Leap Micro 5.5 kernel-default-base 5.14.21-150500.55.73.1.150500.6.33.8 SUSE-SU-2024:2939-1
openSUSE Leap Micro 5.5 kernel-rt 5.14.21-150500.13.64.1 SUSE-SU-2024:2894-1

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.4.0-503.11.1.el9_5 ELSA-2024-9315
Oracle Linux 9 rv +28 5.14.0-503.11.1.el9_5 ELSA-2024-9315
Oracle Linux 8 perf +19 4.18.0-553.16.1.el8_10 ELSA-2024-5101
Oracle Linux 7 kernel-uek +6 5.4.17-2136.344.4.1.el8uek ELSA-2025-20372
Oracle Linux 7 kernel-uek-tools 5.4.17-2136.344.4.1.el7uek ELSA-2025-20372

Advisories 45

References