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OpenAdvisories
Unscored CVE-2024-38597 EUVD-2024-37460GHSA-hmgj-4596-mmpr

eth: sungem: remove .ndo_poll_controller to avoid deadlocks

Published Jun 19, 2024 · Updated May 11, 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-5.4 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-aws-hwe Package: linux-azure Package: linux-azure-4.15 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-5.4 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-4.15 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-5.4 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-5.4 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-5.4 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-iot 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-lts-xenial 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-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-5.4 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:

eth: sungem: remove .ndo_poll_controller to avoid deadlocks

Erhard reports netpoll warnings from sungem:

netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x398)
WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:370 netpoll_send_skb+0x1fc/0x20c

gem_poll_controller() disables interrupts, which may sleep.
We can't sleep in netpoll, it has interrupts disabled completely.
Strangely, gem_poll_controller() doesn't even poll the completions,
and instead acts as if an interrupt has fired so it just schedules
NAPI and exits. None of this has been necessary for years, since
netpoll invokes NAPI directly.

Affected products

VendorProductAffectedFixed
Linux Linux 3.1 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 5.4.0-204.224 USN-7173-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1137.147 USN-7173-2
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 5.4.0-1142.149 USN-7195-1
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-bluefield 5.4.0-1097.104 USN-7173-2
Ubuntu 20.04 LTS linux-gcp 5.4.0-1141.150 USN-7173-1
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 +27 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 5.4.0-1084.89 USN-7173-2
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-iot 5.4.0-1048.51 USN-7413-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1125.133 USN-7173-1
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1030.30~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1136.145 USN-7173-2
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1067.73~20.04.1 USN-7007-2
Ubuntu 20.04 LTS linux-raspi 5.4.0-1121.133 USN-7173-1
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1065.69~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1056.60 USN-7173-2
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 15 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 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
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-updates 20.04 LTS linux-aws-fips 5.4.0-1137.147+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1142.149+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1111.121 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1141.150+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2115.121 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2094.100 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1131.142 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2078.84 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1109.116 —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 18.04 LTS linux 4.15.0-233.245 USN-7233-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1177.190 USN-7233-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1137.147~18.04.1 USN-7173-2
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1185.200 USN-7233-2
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1142.149~18.04.1 USN-7195-2
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1170.187 USN-7233-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1141.150~18.04.1 USN-7173-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-204.224~18.04.1 USN-7173-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1084.89~18.04.1 USN-7173-2
Ubuntu Pro 18.04 LTS linux-kvm 4.15.0-1160.165 USN-7233-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1139.150 USN-7233-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1136.145~18.04.1 USN-7173-2
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1121.133~18.04.1 USN-7173-3
Ubuntu Pro 16.04 LTS linux 4.4.0-263.297 USN-7262-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1178.193 USN-7262-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1177.190~16.04.1 USN-7233-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1185.200~16.04.1 USN-7233-3
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1170.187~16.04.1 USN-7233-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-233.245~16.04.1 USN-7233-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1141.152 USN-7262-2
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1139.150~16.04.1 USN-7233-1
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1140.146 USN-7262-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1185.200~14.04.1 USN-7233-2
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-263.297~14.04.1 USN-7262-1
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-2024:2372-1
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 12 SP5 kernel-azure +2 4.12.14-16.191.1 SUSE-SU-2024:2360-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.222.1 SUSE-SU-2024:2561-1
Show 9 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.191.1 SUSE-SU-2024:2360-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.222.1 SUSE-SU-2024:2561-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.191.1 SUSE-SU-2024:2381-1
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-2024:2394-1
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 +1 1-150500.11.3.1 SUSE-SU-2024:2939-1, SUSE-SU-2024:2394-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.222.1 SUSE-SU-2024:2561-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_58 1-8.3.1 SUSE-SU-2024:2561-1
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-2024:2394-1
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-2024:2372-1
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-2024:2394-1
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

Advisories 37

References