In the Linux kernel, the following vulnerability has been resolved:
drivers/base/memory: fix memory block reference leak in poison accounting
memblk_nr_poison_inc() and memblk_nr_poison_sub() look up a memory block via find_memory_block_by_id(), which acquires a reference to the memory block device.
Both helpers use the returned memory block without dropping that reference, leaking the device reference on each successful lookup. Drop the reference after updating nr_hwpoison.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-tools-develUpgrade bpftool6.18Upgrade kernel6.18-modules-extraUpgrade kernel6.18-toolsUpgrade kernel6.18-modules-extra-commonUpgrade perf6.18Upgrade microvm-kernel6.18Upgrade kernel6.18Upgrade kernel-livepatch-6.18.35-68.127Upgrade kernel6.18-tools-debuginfoUpgrade perf6.18-debuginfoUpgrade kernel6.18-headersUpgrade kernel6.18-debuginfo-common-aarch64Upgrade python3-perf6.18Upgrade kernel6.18-develUpgrade kernel6.18-debuginfoUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-debuginfo-common-x86_64Upgrade python3-perf6.18-debuginfo | Aug 10, 2026 | Jul 19, 2026 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 22, 2026 | Jul 19, 2026 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1036-xilinxUpgrade linux-image-6.8.0-2053-raspi-realtimeUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1062-gke-64kUpgrade linux-image-6.8.0-1062-nvidia-64kUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-xilinx-6.8Upgrade linux-image-nvidia-tegraUpgrade linux-image-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-azure-fde-7.0Upgrade linux-image-realtimeUpgrade linux-image-6.8.1-1059-realtimeUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-6.8.0-1061-oracleUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-aws-64kUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-raspiUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-virtual-6.8Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-gke-64kUpgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-generic-lpaeUpgrade linux-image-intel-iotgUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1067-gcp-fipsUpgrade linux-image-6.8.0-139-lowlatencyUpgrade linux-image-azure-6.8Upgrade linux-image-ibm-7.0Upgrade linux-image-fipsUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-7.0.0-1008-oracle-64kUpgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-6.8.0-1067-azure-fipsUpgrade linux-image-aws-7.0Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-6.8.0-1035-nvidia-tegra-rtUpgrade linux-image-gkeopUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-aws-64k-7.0Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1061-oracle-64kUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-realtime-6.8.1Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1062-nvidia-lowlatency-64kUpgrade linux-image-raspi-6.8Upgrade linux-image-generic-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-gcp-7.0Upgrade linux-image-gkeUpgrade linux-image-azureUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-bosUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-6.8.0-1049-gkeopUpgrade linux-image-genericUpgrade linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-139-fipsUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-laptop-23.10Upgrade linux-image-6.8.0-1062-gkeUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-fips-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-7.0Upgrade linux-image-raspi-realtimeUpgrade linux-image-gke-64k-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-awsUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-raspi-7.0Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-6.8.0-139-generic-64kUpgrade linux-image-6.8.0-1064-raspiUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-oracleUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-6.8.0-1067-gcp-64kUpgrade linux-image-6.8.0-1064-ibmUpgrade linux-image-nvidia-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-gcpUpgrade linux-image-6.8.0-1062-nvidia-lowlatencyUpgrade linux-image-generic-6.8Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-139-genericUpgrade linux-image-kvmUpgrade linux-image-gke-6.8Upgrade linux-image-xilinxUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-6.8.0-1067-gcpUpgrade linux-image-oracle-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-6.8.0-1067-azureUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-gcp-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-ibmUpgrade linux-image-6.8.0-139-lowlatency-64kUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-nvidia-7.0Upgrade linux-image-6.8.0-1035-nvidia-tegraUpgrade linux-image-virtualUpgrade linux-image-oracle-7.0Upgrade linux-image-6.8.0-1062-nvidia | Jul 21, 2026 | Jul 20, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 3, 2026 | Jul 19, 2026 |
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