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OpenAdvisories
Unscored CVE-2024-46679 EUVD-2024-41940GHSA-c2m5-hm36-mq75

ethtool: check device is present when getting link settings

Published Sep 13, 2024 · Updated Oct 15, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel 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 Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

ethtool: check device is present when getting link settings

A sysfs reader can race with a device reset or removal, attempting to
read device state when the device is not actually present. eg:

[exception RIP: qed_get_current_link+17]
#8 [ffffb9e4f2907c48] qede_get_link_ksettings at ffffffffc07a994a [qede]
#9 [ffffb9e4f2907cd8] __rh_call_get_link_ksettings at ffffffff992b01a3
#10 [ffffb9e4f2907d38] __ethtool_get_link_ksettings at ffffffff992b04e4
#11 [ffffb9e4f2907d90] duplex_show at ffffffff99260300
#12 [ffffb9e4f2907e38] dev_attr_show at ffffffff9905a01c
#13 [ffffb9e4f2907e50] sysfs_kf_seq_show at ffffffff98e0145b
#14 [ffffb9e4f2907e68] seq_read at ffffffff98d902e3
#15 [ffffb9e4f2907ec8] vfs_read at ffffffff98d657d1
#16 [ffffb9e4f2907f00] ksys_read at ffffffff98d65c3f
#17 [ffffb9e4f2907f38] do_syscall_64 at ffffffff98a052fb

crash> struct net_device.state ffff9a9d21336000
state = 5,

state 5 is __LINK_STATE_START (0b1) and __LINK_STATE_NOCARRIER (0b100).
The device is not present, note lack of __LINK_STATE_PRESENT (0b10).

This is the same sort of panic as observed in commit 4224cfd7fb65
("net-sysfs: add check for netdevice being present to speed_show").

There are many other callers of __ethtool_get_link_ksettings() which
don't have a device presence check.

Move this check into ethtool to protect all callers.

Affected products

VendorProductAffectedFixed
Linux Linux 2.6.33 5.4.283

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 6.10.9-1 —
Debian 13 linux 6.10.9-1 —
Debian 12 linux 6.1.112-1 DSA-5782-1
Debian 11 linux 5.10.226-1 DLA-3912-1
Debian 11 linux-6.1 6.1.119-1~deb11u1 DLA-4008-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1056.58 —
Ubuntu 24.04 LTS linux 6.8.0-50.51 USN-7154-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1020.22 USN-7154-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1020.23 USN-7196-1
Ubuntu 24.04 LTS linux-gcp +1 6.8.0-1019.21 USN-7155-1, USN-7154-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1015.19 USN-7154-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1002.4 USN-7156-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1017.17 USN-7154-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1019.21.1 USN-7155-1
Ubuntu 24.04 LTS linux-oem-6.8 6.8.0-1018.18 USN-7154-1
Ubuntu 24.04 LTS linux-oracle +1 6.8.0-1017.18 USN-7154-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1016.18 USN-7154-1
Ubuntu 24.04 LTS linux-riscv +1 6.8.0-50.51.1 USN-7154-1
Ubuntu 22.04 LTS linux +1 5.15.0-125.135 USN-7100-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1072.78 USN-7100-2
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1020.22~22.04.1 USN-7154-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1075.84 USN-7123-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1020.23~22.04.1 USN-7196-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1076.85.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1071.79 USN-7100-1
Ubuntu 22.04 LTS linux-gcp-6.8 +1 6.8.0-1019.21~22.04.1 USN-7155-1, USN-7154-1
Ubuntu 22.04 LTS linux-gke 5.15.0-1069.75 USN-7100-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1055.62 USN-7100-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-50.51~22.04.1 USN-7154-2
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1065.68 USN-7100-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1017.17~22.04.1 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1067.73 USN-7144-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1069.74 USN-7100-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1067.68 USN-7100-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1032.32 —
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1020.20 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1070.76 USN-7100-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1017.18~22.04.1 USN-7154-1
Ubuntu 22.04 LTS linux-riscv +31 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 +1 6.8.0-50.51.1~22.04.1 USN-7154-1
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1038.42 USN-7100-1
Ubuntu 20.04 LTS linux 5.4.0-200.220 USN-7088-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1135.145 USN-7088-4
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1072.78~20.04.1 USN-7100-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1140.147 USN-7088-2
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1078.87~20.04.1 USN-7194-1
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1095.102 USN-7088-2
Ubuntu 20.04 LTS linux-gcp 5.4.0-1139.148 USN-7088-1
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1071.79~20.04.1 USN-7100-1
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1102.106 USN-7088-1
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1055.62~20.04.1 USN-7100-1
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-125.135~20.04.1 USN-7100-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1082.87 USN-7088-1
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1065.68~20.04.1 USN-7100-1
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1067.73~20.04.1 USN-7144-1
Ubuntu 20.04 LTS linux-iot 5.4.0-1044.45 USN-7119-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1123.131 USN-7088-4
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1032.32~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1134.143 USN-7088-4
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1070.76~20.04.1 USN-7100-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1119.131 USN-7088-5
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1068.72~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1054.58 USN-7088-4
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 6.8.0-2015.16 —
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1013.14 —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1066.68 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1073.81 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1013.14~22.04.1 —
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 5.15.0-1072.78+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1075.84+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-125.135+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1071.79+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1135.145+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1140.147+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1109.119 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1139.148+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 18.04 LTS linux +5 No fix yet —
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1135.145~18.04.1 USN-7088-3
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1140.147~18.04.1 USN-7088-4
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1139.148~18.04.1 USN-7088-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-200.220~18.04.1 USN-7088-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1082.87~18.04.1 USN-7088-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1134.143~18.04.1 USN-7088-3
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1119.131~18.04.1 USN-7088-5
Ubuntu Pro 16.04 LTS linux +7 No fix yet —
Ubuntu Pro 14.04 LTS linux +3 No fix yet —
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.4.0-503.15.1.el9_5 RHSA-2024:10274
RHEL 9 rv +65 5.14.0-503.15.1.el9_5 RHSA-2024:10274
RHEL 8 perf +26 4.18.0-553.27.1.el8_10 RHSA-2024:8856
Show 9 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.4 EUS bpftool 7.3.0-427.97.1.el9_4 RHSA-2025:19886
RHEL 9.4 EUS rv +64 5.14.0-427.97.1.el9_4 RHSA-2025:19886
RHEL 9.2 E4S bpftool 7.0.0-284.148.1.el9_2 RHSA-2025:22095
RHEL 9.2 E4S kernel-rt +14 5.14.0-284.148.1.rt14.433.el9_2 RHSA-2025:22124
RHEL 9.2 E4S perf +47 5.14.0-284.148.1.el9_2 RHSA-2025:22095
RHEL 8.8 EUS perf +26 4.18.0-477.75.1.el8_8 RHSA-2024:8107
RHEL 8.6 TUS perf +17 4.18.0-372.170.1.el8_6 RHSA-2025:22006
RHEL 8.6 E4S perf +25 4.18.0-372.170.1.el8_6 RHSA-2025:22006
RHEL 8.6 AUS perf +17 4.18.0-372.170.1.el8_6 RHSA-2025:22006
RHEL 8.4 EUS Long Life perf +17 4.18.0-305.182.1.el8_4 RHSA-2025:23463
RHEL 8.4 AUS perf +17 4.18.0-305.182.1.el8_4 RHSA-2025:23463
RHEL 8.2 AUS perf +17 4.18.0-193.178.1.el8_2 RHSA-2025:23445

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 perf +24 4.18.0-553.27.1.el8_10 ALSA-2024:8856
ReleasePackageFixed inAdvisory
SLES 15 SP6 kernel-64kb +4 6.4.0-150600.23.25.1 SUSE-SU-2024:3561-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.14.1 SUSE-SU-2024:3551-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.6.coco15sp6.1 SUSE-SU-2024:3553-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.25.1.150600.12.10.2 SUSE-SU-2024:3561-1
SLES 15 SP6 kernel-docs +1 6.4.0-150600.23.25.2 SUSE-SU-2024:3561-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.83.1 SUSE-SU-2024:3569-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.69.1 SUSE-SU-2024:3587-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.83.1.150500.6.37.1 SUSE-SU-2024:3569-1
SLES 12 SP5 kernel-azure +2 4.12.14-16.200.1 SUSE-SU-2024:3591-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.231.1 SUSE-SU-2024:3559-1
Show 9 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.200.1 SUSE-SU-2024:3591-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.231.1 SUSE-SU-2024:3559-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.203.1 SUSE-SU-2024:3566-1
SLE Micro 6.0 kernel-default-base 6.4.0-17.1.1.51 SUSE-SU-2025:20073-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_3 +1 1-1.2 SUSE-SU-2025:20077-1, SUSE-SU-2025:20073-1
SLE Micro 6.0 kernel-rt +1 6.4.0-11.1 SUSE-SU-2025:20077-1
SLE Micro 6.0 kernel-source +2 6.4.0-20.1 SUSE-SU-2025:20073-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.83.1 SUSE-SU-2024:3569-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.83.1.150500.6.37.1 SUSE-SU-2024:3569-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.73.1 SUSE-SU-2024:3592-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.25.1 SUSE-SU-2024:3561-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_4 1-150600.1.3.1 SUSE-SU-2024:3564-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_5 1-150600.13.3.1 SUSE-SU-2024:3561-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.83.1 SUSE-SU-2024:3569-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_20 +1 1-150500.11.3.1 SUSE-SU-2024:3592-1, SUSE-SU-2024:3569-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.231.1 SUSE-SU-2024:3559-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_61 1-8.3.1 SUSE-SU-2024:3559-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.14.1 SUSE-SU-2024:3564-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.73.1 SUSE-SU-2024:3592-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +8 6.4.0-150600.23.25.1 SUSE-SU-2024:3561-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.14.1 SUSE-SU-2024:3551-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.25.1.150600.12.10.2 SUSE-SU-2024:3561-1
openSUSE Leap 15.6 kernel-docs +1 6.4.0-150600.23.25.2 SUSE-SU-2024:3561-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.14.1 SUSE-SU-2024:3564-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.69.1 SUSE-SU-2024:3587-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.73.1 SUSE-SU-2024:3592-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.5 kernel-default 5.14.21-150500.55.83.1 SUSE-SU-2024:3569-1
openSUSE Leap Micro 5.5 kernel-default-base 5.14.21-150500.55.83.1.150500.6.37.1 SUSE-SU-2024:3569-1
openSUSE Leap Micro 5.5 kernel-rt 5.14.21-150500.13.73.1 SUSE-SU-2024:3592-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.109-118.189 1.0-0.amzn2023 ALAS2023-2024-779, ALAS2023-2024-713
Amazon Linux 2023 perf +14 6.1.109-118.189.amzn2023 ALAS2023-2024-779, ALAS2023-2024-713

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.15.167.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 8 bpftool +13 5.15.0-302.167.6.el9uek ELSA-2024-12815
Oracle Linux 7 kernel-uek +6 5.4.17-2136.337.5.el8uek ELSA-2024-12813
Oracle Linux 7 perf +3 5.4.17-2136.337.5.el7uek ELSA-2024-12813

Advisories 50

References