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High · 7.8 CVE-2024-50262 EUVD-2024-45169GHSA-m4m9-v4mx-256j

bpf: Fix out-of-bounds write in trie_get_next_key()

Published Nov 9, 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-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-5.4 Package: linux-azure-5.8 Package: linux-azure-6.11 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-azure-nvidia 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-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.11 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-nvidia Package: linux-nvidia-6.11 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-6.11 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:

bpf: Fix out-of-bounds write in trie_get_next_key()

trie_get_next_key() allocates a node stack with size trie->max_prefixlen,
while it writes (trie->max_prefixlen + 1) nodes to the stack when it has
full paths from the root to leaves. For example, consider a trie with
max_prefixlen is 8, and the nodes with key 0x00/0, 0x00/1, 0x00/2, ...
0x00/8 inserted. Subsequent calls to trie_get_next_key with _key with
.prefixlen = 8 make 9 nodes be written on the node stack with size 8.

Affected products

VendorProductAffectedFixed
Linux Linux 4.16 4.19.323

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 6.11.7-1 —
Debian 13 linux 6.11.7-1 —
Debian 12 linux 6.1.119-1 DSA-5818-1
Debian 11 linux 5.10.234-1 DLA-4075-1
Debian 11 linux-6.1 6.1.119-1~deb11u1 DLA-4008-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1060.62 —
Ubuntu 24.04 LTS linux 6.8.0-58.60 USN-7449-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1027.29 USN-7449-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1027.32 USN-7449-1
Ubuntu 24.04 LTS linux-azure-6.11 6.11.0-1012.12~24.04.1 —
Ubuntu 24.04 LTS linux-azure-nvidia 6.8.0-1014.15 USN-7468-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1028.30 USN-7450-1
Ubuntu 24.04 LTS linux-gcp-6.11 6.11.0-1011.11~24.04.1 —
Ubuntu 24.04 LTS linux-gke 6.8.0-1023.27 USN-7450-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1010.12 USN-7450-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1024.24 USN-7449-1
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1026.29 USN-7449-1
Ubuntu 24.04 LTS linux-nvidia-6.11 6.11.0-1007.7 —
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1026.29.1 USN-7449-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-oem-6.11 6.11.0-1015.15 USN-7310-1
Ubuntu 24.04 LTS linux-oem-6.8 6.8.0-1026.26 USN-7449-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1024.25 USN-7449-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1028.32 USN-7524-1
Ubuntu 24.04 LTS linux-realtime +1 No fix yet —
Ubuntu 24.04 LTS linux-riscv +1 6.8.0-58.60.1 USN-7449-1
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1017.18 —
Ubuntu 22.04 LTS linux 5.15.0-133.144 USN-7288-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1078.85 USN-7308-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1027.29~22.04.1 USN-7451-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1081.90 USN-7289-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1027.32~22.04.1 USN-7449-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1081.90.1 USN-7289-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1077.86 USN-7291-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1028.30~22.04.1 USN-7452-1
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1075.81 USN-7291-1, USN-7289-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1060.68 USN-7289-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-58.60~22.04.1 USN-7449-2
Ubuntu 22.04 LTS linux-ibm 5.15.0-1070.73 USN-7289-3
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1024.24~22.04.1 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1073.79 USN-7289-4
Ubuntu 22.04 LTS linux-kvm 5.15.0-1076.81 USN-7388-1
Ubuntu 22.04 LTS linux-lowlatency 5.15.0-133.143 USN-7288-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1072.73 USN-7289-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1026.29~22.04.1 USN-7449-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1033.33 USN-7389-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1021.21 USN-7389-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1024.25~22.04.1 USN-7449-1
Ubuntu 22.04 LTS linux-raspi 5.15.0-1072.75 USN-7305-1
Ubuntu 22.04 LTS linux-riscv +31 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 +1 6.8.0-58.60.1~22.04.1 USN-7449-1
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1044.48 USN-7390-1
Ubuntu 20.04 LTS linux 5.4.0-208.228 USN-7293-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1140.150 USN-7294-2
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1080.87~20.04.1 USN-7388-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1145.152 USN-7294-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1081.90~20.04.1 USN-7289-2
Ubuntu 20.04 LTS linux-azure-fde-5.15 5.15.0-1081.90~20.04.1.1 USN-7289-2
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1099.106 USN-7294-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1143.152 USN-7294-1
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1077.86~20.04.1 USN-7291-1
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 20.04 LTS linux-hwe-5.15 5.15.0-134.145~20.04.1 USN-7331-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1086.91 USN-7294-3
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1074.77~20.04.1 USN-7458-1
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1073.79~20.04.2 USN-7289-4
Ubuntu 20.04 LTS linux-iot 5.4.0-1048.51 USN-7413-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1127.136 USN-7294-4
Ubuntu 20.04 LTS linux-lowlatency-hwe-5.15 5.15.0-133.143~20.04.1 USN-7288-2
Ubuntu 20.04 LTS linux-oracle 5.4.0-1138.147 USN-7294-2
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1075.81~20.04.1 USN-7289-2
Ubuntu 20.04 LTS linux-raspi 5.4.0-1129.142 USN-7539-1
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1073.77~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1058.62 USN-7295-1
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 10 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 6.8.0-2023.24 USN-7523-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1020.21 USN-7453-1
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1071.73 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1078.86 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1020.21~22.04.1 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 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 5.15.0-1078.85+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1080.89+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-133.144+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1077.86+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1140.151+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1145.152+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1116.126 USN-7393-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1143.152+fips1 —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1039.39~20.04.1 —
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1142.152~18.04.1 USN-7401-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1145.152~18.04.1 USN-7294-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1143.152~18.04.1 USN-7294-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-208.228~18.04.1 USN-7293-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1086.91~18.04.1 USN-7294-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1138.147~18.04.1 USN-7294-2
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1129.142~18.04.1 USN-7540-1
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.4.0-503.19.1.el9_5 RHSA-2024:11486
RHEL 9 rv +65 5.14.0-503.19.1.el9_5 RHSA-2024:11486
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.4 EUS bpftool 7.3.0-427.48.1.el9_4 RHSA-2024:10942
RHEL 9.4 EUS rv +63 5.14.0-427.48.1.el9_4 RHSA-2024:10942

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 9 bpftool 7.4.0-503.19.1.el9_5 ALSA-2024:11486
AlmaLinux 9 rv +61 5.14.0-503.19.1.el9_5 ALSA-2024:11486
ReleasePackageFixed inAdvisory
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.33.1 SUSE-SU-2025:0154-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.23.1 SUSE-SU-2025:0117-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.12.coco15sp6.1 SUSE-SU-2025:0289-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.33.1.150600.12.14.1 SUSE-SU-2025:0154-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.244.1 SUSE-SU-2025:0236-1
Show 9 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLE Micro 6.1 kernel-default-base 6.4.0-24.1.21.4 SUSE-SU-2025:20248-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_5 1-1.1 SUSE-SU-2025:20249-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_5 1-1.2 SUSE-SU-2025:20248-1
SLE Micro 6.1 kernel-rt +4 6.4.0-25.1 SUSE-SU-2025:20249-1, SUSE-SU-2025:20248-1
SLE Micro 6.0 kernel-default-base 6.4.0-24.1.21.4 SUSE-SU-2025:20165-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_5 1-1.1 SUSE-SU-2025:20166-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_5 1-1.2 SUSE-SU-2025:20165-1
SLE Micro 6.0 kernel-rt +4 6.4.0-25.1 SUSE-SU-2025:20166-1, SUSE-SU-2025:20165-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.82.1 SUSE-SU-2025:0229-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.33.1 SUSE-SU-2025:0154-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_7 1-150600.1.3.1 SUSE-SU-2025:0153-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_7 1-150600.13.3.1 SUSE-SU-2025:0154-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_22 1-150500.11.3.1 SUSE-SU-2025:0201-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.244.1 SUSE-SU-2025:0236-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_64 1-8.5.1 SUSE-SU-2025:0236-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.23.1 SUSE-SU-2025:0153-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed kernel-source 6.11.8-1.1 openSUSE-SU-2024:14500-1
openSUSE Tumbleweed kernel-source-longterm 6.12.11-1.1 openSUSE-SU-2025:14705-1
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.33.1 SUSE-SU-2025:0154-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.23.1 SUSE-SU-2025:0117-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.33.1.150600.12.14.1 SUSE-SU-2025:0154-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.23.1 SUSE-SU-2025:0153-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.119-129.201 1.0-0.amzn2023 ALAS2023-2025-802
Amazon Linux 2023 perf +14 6.1.119-129.201.amzn2023 ALAS2023-2025-802

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.64.2-1 —
Azure Linux 2 (CBL-Mariner) kernel 5.15.173.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.4.0-503.19.1.el9_5 ELSA-2024-11486
Oracle Linux 9 rv +28 5.14.0-503.19.1.el9_5 ELSA-2024-11486
Oracle Linux 8 bpftool +13 5.15.0-303.171.5.2.el9uek ELSA-2024-12887
Oracle Linux 7 kernel-uek +6 5.4.17-2136.338.4.1.el8uek ELSA-2024-12884
Oracle Linux 7 perf +3 5.4.17-2136.338.4.1.el7uek ELSA-2024-12884

Advisories 50

References