In the Linux kernel, the following vulnerability has been resolved:
net/sched: sch_qfq: do not free existing class in qfq_change_class()
Fixes qfq_change_class() error case.
cl->qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-5.10.251-248.983Upgrade python-perfUpgrade bpftoolUpgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade kernel-headersUpgrade kernelUpgrade perf-debuginfoUpgrade kernel-livepatch-5.15.201-140.219Upgrade kernel-debuginfo-common-x86_64Upgrade python-perf-debuginfoUpgrade kernel-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel6.12-modules-extraUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel6.12Upgrade kernel6.12-libbpf-debuginfoUpgrade kernel-libbpf-debuginfoUpgrade kernel6.12-headersUpgrade python3-perf-debuginfoUpgrade kernel-libbpfUpgrade perf6.12Upgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool6.12-debuginfoUpgrade kernel-modules-extraUpgrade kernelUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-libbpf-develUpgrade kernel6.12-libbpfUpgrade kernel-livepatch-6.1.163-186.299Upgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-modules-extra-commonUpgrade perfUpgrade kernel6.12-libbpf-develUpgrade kernel-libbpf-staticUpgrade bpftool6.12Upgrade kernel6.12-libbpf-staticUpgrade kernel6.12-tools-develUpgrade kernel6.12-modules-extra-commonUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perf6.12-debuginfoUpgrade python3-perfUpgrade kernel6.12-develUpgrade kernel-livepatch-6.12.68-92.122Upgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-debuginfo-common-aarch64Upgrade perf6.12-debuginfoUpgrade kernel6.12-debuginfoUpgrade kernel6.12-tools-debuginfoUpgrade kernel6.12-toolsUpgrade python3-perf6.12 | Mar 9, 2026 | Jan 25, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Feb 11, 2026 | Feb 11, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Mar 12, 2026 | Jan 25, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Jan 25, 2026 |
| Suse | — | Upgrade cluster-md-kmp-64kbUpgrade kernel-debug-vdsoUpgrade kernel-rt-optionalUpgrade kernel-default-develUpgrade gfs2-kmp-azureUpgrade dtb-exynosUpgrade reiserfs-kmp-defaultUpgrade kernel-azure-optionalUpgrade cluster-md-kmp-azureUpgrade dlm-kmp-64kbUpgrade dtb-freescaleUpgrade kernel-debugUpgrade kernel-64kbUpgrade kernel-64kb-extraUpgrade dtb-sprdUpgrade kernel-azureUpgrade dtb-qcomUpgrade cluster-md-kmp-rtUpgrade ocfs2-kmp-defaultUpgrade kernel-default-livepatchUpgrade kselftests-kmp-64kbUpgrade ocfs2-kmp-azureUpgrade kernel-source-azureUpgrade kernel-rtUpgrade kernel-syms-azureUpgrade kernel-develUpgrade kernel-sourceUpgrade kernel-64kb-optionalUpgrade dtb-renesasUpgrade kernel-kvmsmall-vdsoUpgrade dtb-lgUpgrade kernel-rt-extraUpgrade dtb-caviumUpgrade ocfs2-kmp-64kbUpgrade dtb-alteraUpgrade kernel-docs-htmlUpgrade gfs2-kmp-defaultUpgrade kernel-default-base-rebuildUpgrade kernel-source-vanillaUpgrade kernel-azure-extraUpgrade kernel-devel-azureUpgrade dtb-broadcomUpgrade dtb-xilinxUpgrade dtb-allwinnerUpgrade reiserfs-kmp-64kbUpgrade kernel-rt-vdsoUpgrade dlm-kmp-rtUpgrade dtb-amazonUpgrade kernel-default-optionalUpgrade kernel-default-vdsoUpgrade kernel-obs-buildUpgrade kselftests-kmp-azureUpgrade cluster-md-kmp-defaultUpgrade dtb-nvidiaUpgrade dtb-socionextUpgrade kernel-debug-develUpgrade kernel-default-livepatch-develUpgrade dtb-hisiliconUpgrade kernel-default-manUpgrade dtb-amdUpgrade kernel-zfcpdumpUpgrade kernel-default-baseUpgrade gfs2-kmp-64kbUpgrade dtb-rockchipUpgrade kernel-symsUpgrade kernel-rt-develUpgrade dlm-kmp-defaultUpgrade ocfs2-kmp-rtUpgrade kselftests-kmp-defaultUpgrade kernel-azure-develUpgrade kernel-default-extraUpgrade kernel-defaultUpgrade dtb-marvellUpgrade dtb-armUpgrade dtb-apmUpgrade kernel-obs-qaUpgrade kernel-azure-vdsoUpgrade dlm-kmp-azureUpgrade kernel-docsUpgrade dtb-amlogicUpgrade kselftests-kmp-rtUpgrade gfs2-kmp-rtUpgrade kernel-64kb-develUpgrade dtb-mediatekUpgrade dtb-appleUpgrade kernel-macrosUpgrade kernel-kvmsmall-develUpgrade kernel-kvmsmall | Feb 12, 2026 | Feb 12, 2026 |
| Ubuntu | — | Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-ibm-classicUpgrade linux-image-6.17.0-1019-oracle-64kUpgrade linux-image-6.8.0-1059-azureUpgrade linux-image-kvmUpgrade linux-image-gkeopUpgrade linux-image-raspi-5.15Upgrade linux-image-oem-24.04cUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-kvm-5.15Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-5.15.0-1099-ibmUpgrade linux-image-6.8.0-1054-nvidia-lowlatencyUpgrade linux-image-azure-fipsUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-nvidia-5.15Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-oem-20.04cUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1054-nvidia-lowlatency-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-realtime-5.15Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-1105-gcpUpgrade linux-image-6.8.0-1059-azure-fipsUpgrade linux-image-6.8.0-1024-nvidia-tegraUpgrade linux-image-oem-20.04Upgrade linux-image-oem-24.04dUpgrade linux-image-virtualUpgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-1046-nvidia-tegra-igx-rtUpgrade linux-image-nvidia-64k-6.17Upgrade linux-image-oem-6.17Upgrade linux-image-oem-20.04dUpgrade linux-image-virtual-5.15Upgrade linux-image-6.17.0-1021-gcpUpgrade linux-image-fips-5.15Upgrade linux-image-nvidia-64k-hwe-24.04Upgrade linux-image-5.15.0-175-lowlatencyUpgrade linux-image-6.8.0-1041-gkeopUpgrade linux-image-azure-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-ibm-6.8Upgrade linux-image-6.8.0-1055-awsUpgrade linux-image-raspi-realtimeUpgrade linux-image-azure-lts-24.04Upgrade linux-image-gke-64k-6.8Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1054-gke-64kUpgrade linux-image-6.17.0-1030-oemUpgrade linux-image-5.15.0-1105-aws-64kUpgrade linux-image-5.15.0-1110-azureUpgrade linux-image-5.15.0-1105-awsUpgrade linux-image-5.15.0-176-generic-lpaeUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-6.8.0-1024-nvidia-tegra-rtUpgrade linux-image-oracle-64kUpgrade linux-image-realtime-6.17Upgrade linux-image-gke-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-generic-64k-6.8Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-6.8.0-117-lowlatency-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-gcp-6.17Upgrade linux-image-nvidia-64kUpgrade linux-image-aws-fips-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-1056-raspiUpgrade linux-image-intelUpgrade linux-image-6.8.0-1054-gkeUpgrade linux-image-6.17.0-1031-nvidiaUpgrade linux-image-generic-64kUpgrade linux-image-nvidia-tegraUpgrade linux-image-5.15.0-1097-intel-iot-realtimeUpgrade linux-image-6.17.0-1018-realtimeUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-1070-xilinx-zynqmpUpgrade linux-image-gcpUpgrade linux-image-5.15.0-1104-realtimeUpgrade linux-image-aws-64k-6.8Upgrade linux-image-gkeUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-5.15.0-176-generic-64kUpgrade linux-image-6.17.0-1018-azure-fdeUpgrade linux-image-xilinxUpgrade linux-image-6.17.0-1021-azureUpgrade linux-image-aws-5.15Upgrade linux-image-5.15.0-1101-gkeUpgrade linux-image-azure-fips-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-generic-6.8Upgrade linux-image-ibmUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-raspi-nolpaeUpgrade linux-image-gkeop-5.15Upgrade linux-image-generic-lpaeUpgrade linux-image-azureUpgrade linux-image-6.8.0-1055-aws-fipsUpgrade linux-image-5.15.0-1100-nvidiaUpgrade linux-image-azure-fdeUpgrade linux-image-virtual-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-5.15.0-1105-gcp-fipsUpgrade linux-image-5.15.0-1057-nvidia-tegraUpgrade linux-image-6.17.0-1031-nvidia-64kUpgrade linux-image-6.8.1-1051-realtimeUpgrade linux-image-6.8.0-1055-aws-64kUpgrade linux-image-6.8.0-1054-nvidiaUpgrade linux-image-6.17.0-1019-oracleUpgrade linux-image-5.15.0-176-fipsUpgrade linux-image-nvidiaUpgrade linux-image-genericUpgrade linux-image-gcp-64kUpgrade linux-image-fipsUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.0-1058-gcp-64kUpgrade linux-image-aws-64k-5.15Upgrade linux-image-awsUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-6.8.0-117-generic-64kUpgrade linux-image-6.8.0-116-fipsUpgrade linux-image-6.8.0-1058-gcp-fipsUpgrade linux-image-6.8.0-1032-xilinxUpgrade linux-image-6.17.0-1021-gcp-64kUpgrade linux-image-5.15.0-1102-oracleUpgrade linux-image-5.15.0-1057-nvidia-tegra-rtUpgrade linux-image-oracle-64k-6.17Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-117-lowlatencyUpgrade linux-image-6.8.0-1055-ibmUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-azure-5.15Upgrade linux-image-realtimeUpgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-5.15.0-1106-gcpUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-gcp-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-2045-raspi-realtimeUpgrade linux-image-5.15.0-1100-nvidia-lowlatencyUpgrade linux-image-5.15.0-1100-intel-iotgUpgrade linux-image-raspi-6.8Upgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-oracleUpgrade linux-image-generic-5.15Upgrade linux-image-gcp-fipsUpgrade linux-image-nvidia-hwe-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-gke-64kUpgrade linux-image-5.15.0-1097-kvmUpgrade linux-image-azure-cvmUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-oracle-6.17Upgrade linux-image-gcp-5.15Upgrade linux-image-5.15.0-1099-raspiUpgrade linux-image-5.15.0-1088-gkeopUpgrade linux-image-6.8.0-117-genericUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1056-azureUpgrade linux-image-5.15.0-176-genericUpgrade linux-image-oracle-5.15Upgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-ibm-5.15Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-6.17Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-5.15.0-175-lowlatency-64kUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.15.0-1110-azure-fipsUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-6.8.0-1058-gcpUpgrade linux-image-realtime-6.8.1Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-lowlatency-5.15Upgrade linux-image-generic-64k-5.15Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-azure-fips-5.15Upgrade linux-image-azure-fde-6.17Upgrade linux-image-6.8.0-1054-nvidia-64kUpgrade linux-image-raspiUpgrade linux-image-5.15.0-1046-nvidia-tegra-igxUpgrade linux-image-azure-6.17Upgrade linux-image-nvidia-64k-6.8 | Apr 10, 2026 | Jan 25, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Jan 25, 2026 |
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