In the Linux kernel, the following vulnerability has been resolved:
fuse: Initialize beyond-EOF page contents before setting uptodate
fuse_notify_store(), unlike fuse_do_readpage(), does not enable page zeroing (because it can be used to change partial page contents).
So fuse_notify_store() must be more careful to fully initialize page contents (including parts of the page that are beyond end-of-file) before marking the page uptodate.
The current code can leave beyond-EOF page contents uninitialized, which makes these uninitialized page contents visible to userspace via mmap().
This is an information leak, but only affects systems which do not enable init-on-alloc (via CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y or the corresponding kernel command line parameter).
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:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade bpftoolUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade bpftool-debuginfoUpgrade kernel-livepatch-4.14.355-271.569Upgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-livepatch-5.10.225-213.878Upgrade perfUpgrade kernel-tools-debuginfoUpgrade python-perfUpgrade kernel-livepatch-5.15.166-111.163Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-develUpgrade perf-debuginfoUpgrade python3-perfUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade kernelUpgrade kernel-modules-extraUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-develUpgrade kernel-headersUpgrade kernel-libbpfUpgrade bpftool-debuginfoUpgrade kernel-livepatch-6.1.109-118.189Upgrade kernel-toolsUpgrade python3-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade bpftoolUpgrade kernel-libbpf-staticUpgrade kernel-modules-extra-common | Oct 16, 2025 | Sep 2, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Oct 7, 2024 | Sep 2, 2024 |
| Dell Powerstore Dsa2025086 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | Feb 20, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftool | Dec 12, 2024 | Sep 2, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Nov 21, 2024 | Sep 2, 2024 |
| Redhat_linux | — | Upgrade kernel-rtNo solution existsUpgrade kernel | Dec 5, 2024 | Sep 2, 2024 |
| Suse | — | Upgrade kernel-default-optionalUpgrade dtb-armUpgrade reiserfs-kmp-azureUpgrade kernel-obs-qaUpgrade gfs2-kmp-64kbUpgrade kernel-xen-baseUpgrade kernel-devel-rtUpgrade cluster-md-kmp-azureUpgrade kernel-rt_debug-livepatch-develUpgrade ocfs2-kmp-rtUpgrade dtb-apmUpgrade kernel-docsUpgrade reiserfs-kmp-defaultUpgrade kernel-ec2-develUpgrade dtb-renesasUpgrade kernel-preempt-develUpgrade kernel-xen-develUpgrade gfs2-kmp-rtUpgrade kernel-64kb-optionalUpgrade dtb-allwinnerUpgrade dlm-kmp-azureUpgrade kernel-ec2-baseUpgrade dtb-exynosUpgrade kernel-develUpgrade cluster-md-kmp-rtUpgrade dtb-rockchipUpgrade kernel-default-vdsoUpgrade kernel-symsUpgrade kernel-trace-baseUpgrade kernel-preemptUpgrade cluster-md-kmp-defaultUpgrade kernel-rt-develUpgrade kernel-64kb-develUpgrade kernel-rt-livepatchUpgrade kernel-debugUpgrade dtb-hisiliconUpgrade dtb-qcomUpgrade dtb-caviumUpgrade kernel-defaultUpgrade kernel-default-base-rebuildUpgrade kernel-sourceUpgrade kernel-default-extraUpgrade kernel-debug-develUpgrade dtb-mediatekUpgrade dtb-xilinxUpgrade kernel-64kb-livepatch-develUpgrade kernel-default-livepatch-develUpgrade ocfs2-kmp-defaultUpgrade kselftests-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade kernel-kvmsmall-develUpgrade kernel-default-baseUpgrade kernel-zfcpdumpUpgrade dtb-amdUpgrade kernel-rt-optionalUpgrade gfs2-kmp-azureUpgrade kernel-rt_debugUpgrade kernel-macrosUpgrade kernel-devel-azureUpgrade kernel-azure-optionalUpgrade gfs2-kmp-defaultUpgrade dtb-lgUpgrade kernel-source-vanillaUpgrade kernel-default-manUpgrade kernel-azure-baseUpgrade kernel-rtUpgrade kselftests-kmp-azureUpgrade kernel-azure-livepatch-develUpgrade kernel-traceUpgrade kernel-azure-vdsoUpgrade dtb-socionextUpgrade dtb-freescaleUpgrade dtb-amazonUpgrade kernel-64kb-extraUpgrade kernel-rt_debug-vdsoUpgrade kselftests-kmp-rtUpgrade reiserfs-kmp-64kbUpgrade dtb-alteraUpgrade cluster-md-kmp-64kbUpgrade kernel-debug-vdsoUpgrade kernel-kvmsmallUpgrade kernel-obs-buildUpgrade kernel-rt_debug-develUpgrade kernel-source-rtUpgrade dtb-nvidiaUpgrade kernel-syms-rtUpgrade dlm-kmp-64kbUpgrade dtb-broadcomUpgrade reiserfs-kmp-rtUpgrade kernel-default-livepatchUpgrade dlm-kmp-defaultUpgrade kernel-source-azureUpgrade dlm-kmp-rtUpgrade kernel-xenUpgrade ocfs2-kmp-64kbUpgrade kernel-rt-livepatch-develUpgrade kernel-azure-extraUpgrade kernel-trace-develUpgrade kernel-azure-develUpgrade kernel-azureUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-docs-htmlUpgrade kernel-rt-vdsoUpgrade dtb-amlogicUpgrade kernel-syms-azureUpgrade dtb-appleUpgrade dtb-marvellUpgrade kernel-rt-extraUpgrade kernel-debug-livepatch-develUpgrade kernel-64kbUpgrade kernel-kvmsmall-vdsoUpgrade kernel-ec2Upgrade kernel-default-develUpgrade dtb-sprdUpgrade kselftests-kmp-64kb | Dec 5, 2025 | Sep 10, 2024 |
| Ubuntu | — | Upgrade linux-image-5.4.0-1139-gcpUpgrade linux-image-gkeUpgrade linux-image-virtualUpgrade linux-image-oracleUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-1067-intel-iotgUpgrade linux-image-6.8.0-1017-oracleUpgrade linux-image-6.8.0-50-lowlatencyUpgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1070-oracleUpgrade linux-image-oem-22.04dUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-4.15.0-1169-gcpUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-4.15.0-1159-kvmUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.15.0-125-generic-lpaeUpgrade linux-image-oracle-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-4.15.0-1176-awsUpgrade linux-image-5.15.0-1075-azureUpgrade linux-image-5.4.0-1094-bluefieldUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-6.8.0-1020-azure-fdeUpgrade linux-image-aws-lts-18.04Upgrade linux-image-virtual-hwe-18.04Upgrade linux-image-6.8.0-50-genericUpgrade linux-image-oem-20.04dUpgrade linux-image-nvidia-6.8Upgrade linux-image-kvmUpgrade linux-image-5.4.0-1139-azureUpgrade linux-image-5.4.0-200-generic-lpaeUpgrade linux-image-6.8.0-1019-gcpUpgrade linux-image-awsUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.15.0-1038-xilinx-zynqmpUpgrade linux-image-oem-22.04bUpgrade linux-image-5.15.0-125-generic-64kUpgrade linux-image-5.4.0-1119-raspiUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.4.0-200-lowlatencyUpgrade linux-image-oem-20.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.8.0-1019-nvidia-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oem-24.04aUpgrade linux-image-5.15.0-1069-kvmUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-4.15.0-1138-oracleUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-bluefieldUpgrade linux-image-4.15.0-1184-azureUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.8.0-1019-nvidiaUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-gcpUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1019-nvidia-lowlatency-64kUpgrade linux-image-5.4.0-1134-oracleUpgrade linux-image-5.4.0-1102-gkeopUpgrade linux-image-5.4.0-1082-ibmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-gkeop-5.4Upgrade linux-image-raspi2Upgrade linux-image-6.8.0-50-generic-64kUpgrade linux-image-aws-hweUpgrade linux-image-oem-20.04bUpgrade linux-image-intelUpgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-6.8.0-1017-oracle-64kUpgrade linux-image-5.4.0-1123-kvmUpgrade linux-image-5.15.0-1067-nvidiaUpgrade linux-image-5.4.0-1044-iotUpgrade linux-image-5.15.0-1072-awsUpgrade linux-image-5.15.0-1067-nvidia-lowlatencyUpgrade linux-image-4.4.0-1139-awsUpgrade linux-image-4.15.0-232-genericUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.4.0-1140-azureUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1020-azureUpgrade linux-image-5.15.0-1069-gkeUpgrade linux-image-oem-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-5.15.0-1065-ibmUpgrade linux-image-5.15.0-1078-azureUpgrade linux-image-5.15.0-1065-raspiUpgrade linux-image-gkeop-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-5.15.0-125-lowlatency-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-ibm-lts-20.04Upgrade linux-image-5.4.0-1135-awsUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-4.4.0-262-genericUpgrade linux-image-6.8.0-50-lowlatency-64kUpgrade linux-image-6.8.0-1015-gkeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-azureUpgrade linux-image-raspiUpgrade linux-image-oem-20.04cUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-4.4.0-1177-awsUpgrade linux-image-5.4.0-1054-xilinx-zynqmpUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-6.8.0-1020-awsUpgrade linux-image-oem-osp1Upgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1019-nvidia-64kUpgrade linux-image-5.15.0-125-genericUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1018-oemUpgrade linux-image-nvidiaUpgrade linux-image-4.15.0-232-lowlatencyUpgrade linux-image-intel-iotgUpgrade linux-image-oem-22.04cUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.15.0-125-lowlatencyUpgrade linux-image-ibmUpgrade linux-image-aws-lts-20.04Upgrade linux-image-4.4.0-1140-kvmUpgrade linux-image-6.8.0-1017-ibmUpgrade linux-image-azure-lts-18.04Upgrade linux-image-gke-5.15Upgrade linux-image-4.4.0-262-lowlatencyUpgrade linux-image-6.8.0-1016-raspiUpgrade linux-image-azure-lts-20.04Upgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-1071-gcpUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-oem-22.04aUpgrade linux-image-oemUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-gkeopUpgrade linux-image-genericUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-generic-lts-xenialUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-5.15.0-1055-gkeopUpgrade linux-image-generic-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-5.4.0-200-generic | Nov 4, 2024 | Sep 2, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Sep 2, 2024 |
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