Vulnerability · Published Dec 4, 2025 · Assigned by Linux

CVE-2025-40252net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end()

Critical 9.8

In plain English

A critical-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 48.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end() The loops in 'qede_tpa_cont()' and 'qede_tpa_end()', iterate over 'cqe->len_list[]' using only a zero-length terminator as the stopping condition. If the terminator was missing or malformed, the loop could run past the end of the fixed-size array. Add an explicit bound check using ARRAY_SIZE() in both loops to prevent a potential out-of-bounds access. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-abi-stablelists4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-core4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-cross-headers4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-debug4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-debug-core4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-debug-devel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-debug-modules4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-devel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-doc4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-headers4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-modules4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-modules-extra4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-rt4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-core4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-debug4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-debug-core4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-devel4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-modules4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:8kernel-tools4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-tools-libs4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-zfcpdump4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8perf4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:8python3-perf4.18.0-553.123.1.el8_10ALSA-2026:13577
Debian:12linux6.1.159-1DEBIAN-CVE-2025-40252
Debian:13linux6.12.63-1DEBIAN-CVE-2025-40252
Debian:14linux6.17.10-1DEBIAN-CVE-2025-40252
Rocky Linux:8kernel0:4.18.0-553.123.1.el8_10.cloud.0.1RXSA-2026:13577
Rocky Linux:8kernel0:4.18.0-553.123.1.el8_10RLSA-2026:13577
Rocky Linux:8kernel-rt0:4.18.0-553.123.1.rt7.464.el8_10RLSA-2026:13578
Ubuntu:22.04:LTSlinux5.15.0-173.183UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux5.15.0-173.183USN-8096-1
Ubuntu:24.04:LTSlinux6.8.0-106.106UBUNTU-CVE-2025-40252
Ubuntu:25.10linux6.17.0-19.19USN-8094-1
Ubuntu:25.10linux6.17.0-19.19UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-aws5.15.0-1103.110UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-aws5.15.0-1103.110USN-8096-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1050.53UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-aws6.17.0-1009.9UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-aws6.17.0-1009.9USN-8094-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1009.9~24.04.2USN-8094-1
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1009.9~24.04.2UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1050.53~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-azure5.15.0-1109.118UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure6.8.0-1051.57UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-azure6.17.0-1010.10UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-azure6.17.0-1010.10USN-8094-4
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure-6.176.17.0-1010.10~24.04.1UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure-6.176.17.0-1010.10~24.04.1USN-8094-4
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1109.118.1UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1058.65UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1058.65~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-gcp5.15.0-1103.112USN-8096-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1103.112UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-gcp6.8.0-1052.55UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-gcp6.17.0-1009.9USN-8094-1
Ubuntu:25.10linux-gcp6.17.0-1009.9UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1009.9~24.04.3UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1009.9~24.04.3USN-8094-2
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1052.55~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-gke5.15.0-1099.105UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-gke5.15.0-1099.105USN-8096-3
Ubuntu:24.04:LTSlinux-gke6.8.0-1048.53UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1086.94UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1086.94USN-8096-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1035.38UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-hwe-6.176.17.0-19.19~24.04.2UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-hwe-6.176.17.0-19.19~24.04.2USN-8094-1
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-ibm5.15.0-1097.100UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-ibm5.15.0-1097.100USN-8096-1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1049.49UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1049.49~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1098.104UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1098.104USN-8096-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1095.100UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-kvm5.15.0-1095.100USN-8096-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-173.183USN-8096-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-173.183UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-106.106.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-106.106.1~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1098.99USN-8096-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1098.99UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1049.52UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1018.18UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1049.52~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1049.52.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1055.55USN-8096-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1055.55UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1020.20UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1044.44UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1044.44USN-8096-5
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1017.17USN-8152-1
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1017.17UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-oracle5.15.0-1100.106USN-8096-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1100.106UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-oracle6.8.0-1047.48UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-oracle6.17.0-1009.9UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-oracle6.17.0-1009.9USN-8094-1
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1009.9~24.04.1UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1009.9~24.04.1USN-8094-1
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1047.48~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-raspi5.15.0-1097.100UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-raspi6.8.0-1050.54UBUNTU-CVE-2025-40252
Ubuntu:25.10linux-raspi6.17.0-1010.10USN-8094-5
Ubuntu:25.10linux-raspi6.17.0-1010.10UBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40252
Ubuntu:25.10linux-realtime6.17.0-1008.9USN-8094-2
Ubuntu:25.10linux-realtime6.17.0-1008.9UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40252
Ubuntu:25.10linux-riscv6.17.0-19.19.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-riscv-6.176.17.0-19.19.1~24.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-40252
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1028.29UBUNTU-CVE-2025-40252
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1067.71USN-8096-1
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1067.71UBUNTU-CVE-2025-40252

Affected products (as reported)

VendorProductVersions
Linux Linux 55482edc25f0606851de42e73618f813f310d009 – before ecbb12caf399d7cf364b7553ed5aebeaa2f255bc55482edc25f0606851de42e73618f813f310d009 – before a778912b4a53587ea07d85526d152f85d109cbfe55482edc25f0606851de42e73618f813f310d009 – before f0923011c1261b33a2ac1de349256d39cb750dd055482edc25f0606851de42e73618f813f310d009 – before 917a9d02182ac8b4f25eb47dc02f3ec679608c2455482edc25f0606851de42e73618f813f310d009 – before e441db07f208184e0466abf44b389a81d70c340e55482edc25f0606851de42e73618f813f310d009 – before 896f1a2493b59beb2b5ccdf990503dbb16cb2256
Linux Linux 4.6

References