In the Linux kernel, the following vulnerability has been resolved:
btrfs: qgroup: fix quota root leak after quota disable failure
If during the quota disable we fail when cleaning the quota tree or when deleting the root from the root tree, we jump to the 'out' label without ever dropping the reference on the quota root, resulting in a leak of the root since fs_info->quota_root is no longer pointing to the root (we have set it to NULL just before those steps).
Fix this by always doing a btrfs_put_root() call under the 'out' label. This is a problem that exists since qgroups were first added in 2012 by commit bed92eae26cc ("Btrfs: qgroup implementation and prototypes"), but back then we missed a kfree on the quota root and free_extent_buffer() calls on its root and commit root nodes, since back then roots were not yet reference counted.
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 Ami 2 | — | Upgrade bpftool-debuginfoUpgrade kernel-livepatch-5.10.223-211.872Upgrade kernel-toolsUpgrade kernel-livepatch-5.15.164-108.161Upgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade bpftoolUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade python-perf-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-libbpfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-modules-extraUpgrade kernel-tools-debuginfoUpgrade bpftool-debuginfoUpgrade python3-perfUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-6.1.102-108.177Upgrade kernel-libbpf-staticUpgrade kernel-modules-extra-commonUpgrade kernel-develUpgrade kernel-libbpf-develUpgrade python3-perf-debuginfoUpgrade perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel | Oct 16, 2025 | Jul 29, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Aug 14, 2024 | Jul 29, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Nov 21, 2024 | Jul 29, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 29, 2024 |
| Suse | — | Upgrade cluster-md-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-macrosUpgrade reiserfs-kmp-azureUpgrade kernel-devel-azureUpgrade kernel-default-optionalUpgrade cluster-md-kmp-azureUpgrade dtb-socionextUpgrade kernel-azure-develUpgrade gfs2-kmp-64kbUpgrade kernel-rt_debug-vdsoUpgrade kernel-rtUpgrade kernel-debug-livepatch-develUpgrade kernel-64kb-livepatch-develUpgrade kernel-syms-azureUpgrade dtb-apmUpgrade kernel-64kb-optionalUpgrade kernel-default-base-rebuildUpgrade kernel-syms-rtUpgrade kernel-zfcpdumpUpgrade kernel-rt-develUpgrade dtb-amdUpgrade kernel-default-extraUpgrade dtb-armUpgrade dtb-rockchipUpgrade kernel-azure-vdsoUpgrade kernel-obs-qaUpgrade kernel-rt-livepatch-develUpgrade kernel-debug-develUpgrade dtb-hisiliconUpgrade kselftests-kmp-defaultUpgrade kernel-64kb-develUpgrade dtb-mediatekUpgrade kernel-defaultUpgrade gfs2-kmp-rtUpgrade kselftests-kmp-rtUpgrade dtb-xilinxUpgrade kernel-docsUpgrade reiserfs-kmp-rtUpgrade kernel-rt-livepatchUpgrade dlm-kmp-azureUpgrade ocfs2-kmp-rtUpgrade kernel-azure-livepatch-develUpgrade kernel-debugUpgrade dtb-amlogicUpgrade kernel-devel-rtUpgrade kernel-kvmsmall-develUpgrade kernel-default-manUpgrade kernel-kvmsmallUpgrade kernel-symsUpgrade kernel-source-azureUpgrade kernel-rt_debugUpgrade kernel-rt-extraUpgrade gfs2-kmp-azureUpgrade dtb-qcomUpgrade dlm-kmp-64kbUpgrade ocfs2-kmp-defaultUpgrade kernel-azureUpgrade reiserfs-kmp-defaultUpgrade dtb-allwinnerUpgrade kernel-rt-vdsoUpgrade kernel-default-livepatch-develUpgrade kernel-default-develUpgrade kernel-default-baseUpgrade dtb-renesasUpgrade dtb-exynosUpgrade dtb-amazonUpgrade kernel-rt-optionalUpgrade kernel-develUpgrade kernel-source-vanillaUpgrade kernel-docs-htmlUpgrade kernel-azure-optionalUpgrade gfs2-kmp-defaultUpgrade dtb-freescaleUpgrade cluster-md-kmp-64kbUpgrade ocfs2-kmp-64kbUpgrade kernel-sourceUpgrade dtb-lgUpgrade dtb-caviumUpgrade dtb-appleUpgrade dtb-sprdUpgrade kernel-default-vdsoUpgrade ocfs2-kmp-azureUpgrade reiserfs-kmp-64kbUpgrade kernel-default-livepatchUpgrade kernel-debug-vdsoUpgrade kernel-azure-baseUpgrade dtb-alteraUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-rtUpgrade kernel-obs-buildUpgrade kernel-source-rtUpgrade kselftests-kmp-64kbUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-rt_debug-develUpgrade kernel-kvmsmall-vdsoUpgrade kernel-64kb-extraUpgrade kernel-64kbUpgrade kernel-kvmsmall-livepatch-develUpgrade kselftests-kmp-azureUpgrade dtb-broadcomUpgrade dtb-nvidiaUpgrade kernel-azure-extraUpgrade dtb-marvell | Aug 14, 2024 | Jul 29, 2024 |
| Ubuntu | — | Upgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-azureUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1017-nvidia-lowlatencyUpgrade linux-image-5.15.0-1078-azureUpgrade linux-image-5.15.0-125-generic-64kUpgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1013-gkeUpgrade linux-image-5.15.0-1055-gkeopUpgrade linux-image-generic-lpaeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-azure-lts-22.04Upgrade linux-image-intelUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-5.15.0-1069-gkeUpgrade linux-image-6.8.0-1015-oracleUpgrade linux-image-6.8.0-1016-azure-fdeUpgrade linux-image-5.15.0-125-lowlatency-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-5.15.0-1038-xilinx-zynqmpUpgrade linux-image-5.15.0-125-generic-lpaeUpgrade linux-image-gkeUpgrade linux-image-raspiUpgrade linux-image-6.8.0-1016-gcpUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-genericUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gkeopUpgrade linux-image-generic-64kUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-125-genericUpgrade linux-image-nvidiaUpgrade linux-image-oem-22.04dUpgrade linux-image-oem-24.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-6.8.0-1017-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-20.04bUpgrade linux-image-lowlatencyUpgrade linux-image-5.15.0-125-lowlatencyUpgrade linux-image-5.15.0-1065-ibmUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-6.8.0-48-lowlatency-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1070-oracleUpgrade linux-image-6.8.0-1014-raspiUpgrade linux-image-azure-cvmUpgrade linux-image-6.8.0-1016-azureUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-oem-22.04aUpgrade linux-image-gcpUpgrade linux-image-azure-fdeUpgrade linux-image-5.15.0-1067-nvidia-lowlatencyUpgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-6.8.0-1017-azureUpgrade linux-image-6.8.0-48-generic-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1018-awsUpgrade linux-image-6.8.0-1017-nvidiaUpgrade linux-image-gke-5.15Upgrade linux-image-6.8.0-1016-oemUpgrade linux-image-6.8.0-48-lowlatencyUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-48-genericUpgrade linux-image-oracleUpgrade linux-image-5.15.0-1067-intel-iotgUpgrade linux-image-6.8.0-1014-ibmUpgrade linux-image-oem-20.04dUpgrade linux-image-oem-24.04aUpgrade linux-image-5.15.0-1065-raspiUpgrade linux-image-oem-20.04cUpgrade linux-image-aws-lts-22.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1017-azure-fdeUpgrade linux-image-5.15.0-1067-nvidiaUpgrade linux-image-6.8.0-1017-gcpUpgrade linux-image-5.15.0-1069-kvmUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.8.0-1017-nvidia-64kUpgrade linux-image-ibm-classicUpgrade linux-image-oracle-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-awsUpgrade linux-image-kvmUpgrade linux-image-5.15.0-1075-azureUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-5.15.0-1071-gcpUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-6.8.0-1015-oracle-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-5.15.0-1072-aws | Nov 4, 2024 | Jul 29, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 29, 2024 |
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