In the Linux kernel, the following vulnerability has been resolved:
nilfs2: protect references to superblock parameters exposed in sysfs
The superblock buffers of nilfs2 can not only be overwritten at runtime for modifications/repairs, but they are also regularly swapped, replaced during resizing, and even abandoned when degrading to one side due to backing device issues. So, accessing them requires mutual exclusion using the reader/writer semaphore "nilfs->ns_sem".
Some sysfs attribute show methods read this superblock buffer without the necessary mutual exclusion, which can cause problems with pointer dereferencing and memory access, so fix it.
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-develUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernelUpgrade python-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-livepatch-4.14.355-271.569Upgrade kernel-toolsUpgrade python-perfUpgrade perf-debuginfoUpgrade kernel-livepatch-5.10.226-214.879Upgrade perf | Oct 3, 2024 | Sep 18, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Oct 7, 2024 | Sep 18, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Nov 21, 2024 | Sep 18, 2024 |
| Suse | — | Upgrade kernel-macrosUpgrade kernel-64kb-develUpgrade kernel-azure-develUpgrade dtb-broadcomUpgrade dtb-caviumUpgrade kernel-64kb-extraUpgrade kernel-source-azureUpgrade kernel-obs-buildUpgrade kernel-syms-azureUpgrade ocfs2-kmp-azureUpgrade dtb-amazonUpgrade dtb-sprdUpgrade kernel-kvmsmall-develUpgrade kernel-docs-htmlUpgrade kernel-rt-vdsoUpgrade dtb-appleUpgrade kernel-default-vdsoUpgrade kernel-azure-optionalUpgrade kernel-default-livepatchUpgrade kernel-default-optionalUpgrade kernel-64kb-optionalUpgrade kernel-develUpgrade kernel-rtUpgrade kselftests-kmp-azureUpgrade cluster-md-kmp-rtUpgrade kernel-rt-livepatchUpgrade dtb-exynosUpgrade dtb-qcomUpgrade kernel-64kbUpgrade kernel-rt_debug-develUpgrade kernel-azureUpgrade dtb-allwinnerUpgrade gfs2-kmp-defaultUpgrade dtb-alteraUpgrade kernel-default-develUpgrade kernel-kvmsmall-livepatch-develUpgrade ocfs2-kmp-defaultUpgrade kernel-devel-azureUpgrade kernel-sourceUpgrade reiserfs-kmp-64kbUpgrade reiserfs-kmp-defaultUpgrade kernel-source-rtUpgrade kernel-azure-extraUpgrade kernel-debug-develUpgrade cluster-md-kmp-64kbUpgrade dtb-lgUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-64kbUpgrade dtb-marvellUpgrade kernel-rt-optionalUpgrade kernel-debug-vdsoUpgrade kernel-kvmsmall-vdsoUpgrade kernel-rt-extraUpgrade gfs2-kmp-azureUpgrade dtb-freescaleUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-64kb-livepatch-develUpgrade gfs2-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade gfs2-kmp-64kbUpgrade kernel-syms-rtUpgrade kernel-default-livepatch-develUpgrade kernel-azure-livepatch-develUpgrade kernel-obs-qaUpgrade kernel-default-base-rebuildUpgrade kernel-docsUpgrade kernel-defaultUpgrade cluster-md-kmp-defaultUpgrade kernel-rt_debugUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-defaultUpgrade dtb-amdUpgrade ocfs2-kmp-rtUpgrade kernel-symsUpgrade kernel-rt-develUpgrade kernel-debugUpgrade dtb-rockchipUpgrade dtb-mediatekUpgrade dtb-armUpgrade dtb-amlogicUpgrade dtb-apmUpgrade dtb-nvidiaUpgrade kernel-kvmsmallUpgrade kernel-azure-vdsoUpgrade dtb-xilinxUpgrade dtb-hisiliconUpgrade kernel-default-baseUpgrade kselftests-kmp-rtUpgrade dlm-kmp-azureUpgrade kernel-debug-livepatch-develUpgrade kernel-devel-rtUpgrade kselftests-kmp-defaultUpgrade kernel-zfcpdumpUpgrade dtb-socionextUpgrade reiserfs-kmp-rtUpgrade dlm-kmp-rtUpgrade dtb-renesasUpgrade kernel-default-extraUpgrade kernel-rt-livepatch-devel | Dec 5, 2025 | Oct 8, 2024 |
| Ubuntu | — | Upgrade linux-image-ibm-lts-20.04Upgrade linux-image-oem-22.04cUpgrade linux-image-awsUpgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-1069-kvmUpgrade linux-image-5.15.0-125-generic-lpaeUpgrade linux-image-5.4.0-1082-ibmUpgrade linux-image-5.15.0-125-lowlatencyUpgrade linux-image-oem-24.04aUpgrade linux-image-4.4.0-1181-awsUpgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-6.8.0-1019-nvidia-64kUpgrade linux-image-4.15.0-2081-gcp-fipsUpgrade linux-image-4.4.0-1113-fipsUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-oracleUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatencyUpgrade linux-image-oem-22.04bUpgrade linux-image-azure-fipsUpgrade linux-image-virtualUpgrade linux-image-4.15.0-2097-azure-fipsUpgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-1067-nvidia-lowlatencyUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-kvmUpgrade linux-image-5.4.0-200-lowlatencyUpgrade linux-image-5.15.0-1072-awsUpgrade linux-image-intel-iotgUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-aws-lts-22.04Upgrade linux-image-4.15.0-1173-gcpUpgrade linux-image-5.4.0-1102-gkeopUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-5.15.0-125-lowlatency-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-5.15.0-1070-oracleUpgrade linux-image-azure-lts-18.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-oem-20.04cUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1020-azure-fdeUpgrade linux-image-4.15.0-1188-azureUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1071-gcpUpgrade linux-image-intelUpgrade linux-image-4.15.0-237-lowlatencyUpgrade linux-image-5.15.0-1075-azureUpgrade linux-image-6.8.0-1017-ibmUpgrade linux-image-4.4.0-268-genericUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.4.0-1139-azureUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-1038-xilinx-zynqmpUpgrade linux-image-raspi2Upgrade linux-image-oem-osp1Upgrade linux-image-5.4.0-1094-bluefieldUpgrade linux-image-oem-24.04Upgrade linux-image-virtual-hwe-16.04Upgrade linux-image-oem-20.04dUpgrade linux-image-generic-64kUpgrade linux-image-bluefieldUpgrade linux-image-5.15.0-1065-raspiUpgrade linux-image-gkeop-6.8Upgrade linux-image-4.15.0-2118-aws-fipsUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-4.4.0-268-lowlatencyUpgrade linux-image-6.8.0-1019-nvidiaUpgrade linux-image-5.15.0-1067-intel-iotgUpgrade linux-image-5.4.0-1119-raspiUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1019-nvidia-lowlatencyUpgrade linux-image-5.15.0-1067-nvidiaUpgrade linux-image-5.4.0-200-generic-lpaeUpgrade linux-image-6.8.0-1020-azureUpgrade linux-image-6.8.0-50-lowlatencyUpgrade linux-image-azure-cvmUpgrade linux-image-gcpUpgrade linux-image-ibmUpgrade linux-image-gkeop-5.15Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-5.15.0-125-generic-64kUpgrade linux-image-6.8.0-1015-gkeUpgrade linux-image-6.8.0-1016-raspiUpgrade linux-image-aws-fipsUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-azureUpgrade linux-image-4.15.0-237-genericUpgrade linux-image-generic-lts-xenialUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-gcp-fipsUpgrade linux-image-oem-20.04bUpgrade linux-image-gkeop-5.4Upgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1018-oemUpgrade linux-image-nvidia-6.8Upgrade linux-image-5.15.0-1069-gkeUpgrade linux-image-6.8.0-1019-nvidia-lowlatency-64kUpgrade linux-image-gkeUpgrade linux-image-fipsUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-50-lowlatency-64kUpgrade linux-image-6.8.0-1017-oracle-64kUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-6.8.0-50-genericUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-5.15.0-1078-azureUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1019-gcpUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.15.0-1055-gkeopUpgrade linux-image-oem-20.04Upgrade linux-image-4.15.0-1180-awsUpgrade linux-image-gkeopUpgrade linux-image-5.4.0-1134-oracleUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-oem-22.04Upgrade linux-image-aws-lts-18.04Upgrade linux-image-virtual-lts-xenialUpgrade linux-image-5.4.0-1140-azureUpgrade linux-image-5.15.0-1065-ibmUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1017-oracleUpgrade linux-image-4.4.0-1144-kvmUpgrade linux-image-6.8.0-1020-awsUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-genericUpgrade linux-image-5.4.0-1135-awsUpgrade linux-image-aws-lts-20.04Upgrade linux-image-4.15.0-1163-kvmUpgrade linux-image-5.15.0-125-genericUpgrade linux-image-5.4.0-1054-xilinx-zynqmpUpgrade linux-image-raspi-nolpaeUpgrade linux-image-raspiUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-oemUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-nvidiaUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-4.15.0-1135-fipsUpgrade linux-image-azure-lts-20.04Upgrade linux-image-5.4.0-1139-gcpUpgrade linux-image-4.4.0-1143-awsUpgrade linux-image-4.15.0-1142-oracleUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-5.4.0-1044-iotUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.4.0-200-genericUpgrade linux-image-aws-hweUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-6.8.0-50-generic-64kUpgrade linux-image-5.4.0-1123-kvm | Nov 4, 2024 | Sep 18, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Sep 18, 2024 |
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