In the Linux kernel, the following vulnerability has been resolved:
fs: sysfs: Fix reference leak in sysfs_break_active_protection()
The sysfs_break_active_protection() routine has an obvious reference leak in its error path. If the call to kernfs_find_and_get() fails then kn will be NULL, so the companion sysfs_unbreak_active_protection() routine won't get called (and would only cause an access violation by trying to dereference kn->parent if it was called). As a result, the reference to kobj acquired at the start of the function will never be released.
Fix the leak by adding an explicit kobject_put() call when kn is NULL.
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 |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-zfcpdump-develUpgrade kernel-zfcpdumpUpgrade kernel-64k-debugUpgrade kernel-uki-virtUpgrade kernel-modulesUpgrade kernel-headersUpgrade kernel-docUpgrade kernel-64k-debug-modules-extraUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-debug-develUpgrade kernel-rt-modules-coreUpgrade kernel-coreUpgrade kernel-debug-devel-matchedUpgrade kernel-devel-matchedUpgrade rtlaUpgrade kernel-zfcpdump-modules-coreUpgrade libperfUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-debug-modules-extraUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-coreUpgrade kernel-modules-coreUpgrade kernel-64k-devel-matchedUpgrade kernel-64k-coreUpgrade kernel-rt-debug-kvmUpgrade kernel-debugUpgrade kernel-64k-modules-coreUpgrade kernel-tools-libsUpgrade kernel-develUpgrade kernel-modules-extraUpgrade kernel-rtUpgrade kernel-rt-develUpgrade kernel-cross-headersUpgrade kernel-64kUpgrade kernel-64k-modulesUpgrade kernel-toolsUpgrade kernel-debug-uki-virtUpgrade kernel-64k-debug-develUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-rt-debug-coreUpgrade kernel-debug-modulesUpgrade python3-perfUpgrade kernel-rt-kvmUpgrade rvUpgrade kernel-64k-debug-modules-coreUpgrade kernel-rt-debugUpgrade kernel-64k-develUpgrade kernel-debug-modules-coreUpgrade kernel-rt-debug-modules-coreUpgrade bpftoolUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-64k-modules-extraUpgrade kernel-64k-debug-modulesUpgrade kernel-rt-modules-extraUpgrade kernel-rt-coreUpgrade perfUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-64k-debug-coreUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-modulesUpgrade kernel-debug-core | Jun 6, 2024 | May 1, 2024 |
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-4.14.348-265.562Upgrade python-perfUpgrade bpftoolUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade python-perf-debuginfoUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-livepatch-5.10.216-204.855Upgrade kernel-tools-debuginfoUpgrade kernel-livepatch-5.15.158-103.164Upgrade perfUpgrade kernel-debuginfo-common-aarch64 | Dec 12, 2024 | May 1, 2024 |
| Amazon_linux_2023 | — | Upgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-libbpfUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade kernel-modules-extraUpgrade kernel-tools-develUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-livepatch-6.1.90-99.173Upgrade kernel-toolsUpgrade python3-perf-debuginfoUpgrade kernel-modules-extra-commonUpgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernelUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade kernel-libbpf-staticUpgrade kernel-debuginfo-common-x86_64Upgrade python3-perf | Feb 17, 2025 | May 1, 2024 |
| Debian | — | Upgrade linux | May 8, 2024 | May 1, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernelUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-tools | Jul 16, 2024 | May 1, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernelUpgrade bpftool | Oct 8, 2024 | May 1, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-toolsUpgrade bpftoolUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade python3-perf | Oct 8, 2024 | May 1, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-tools | Jul 17, 2024 | May 1, 2024 |
| Oracle_linux | — | Upgrade kernel | Jun 6, 2024 | May 1, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | May 30, 2024 | May 1, 2024 |
| Rocky_linux | — | Upgrade kernel-rt-modules-extraUpgrade rvUpgrade kernel-zfcpdump-coreUpgrade kernel-debug-devel-matchedUpgrade kernel-zfcpdump-modules-coreUpgrade perfUpgrade kernel-rtUpgrade kernel-devel-matchedUpgrade kernel-modules-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade libperfUpgrade kernel-toolsUpgrade kernelUpgrade libperf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-rt-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-rt-modulesUpgrade perf-debuginfoUpgrade kernel-rt-modules-coreUpgrade kernel-cross-headersUpgrade kernel-zfcpdump-modulesUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-kvmUpgrade kernel-debuginfoUpgrade kernel-debug-modulesUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-coreUpgrade python3-perf-debuginfoUpgrade kernel-rt-debug-debuginfoUpgrade kernel-uki-virtUpgrade kernel-tools-libsUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-debug-uki-virtUpgrade kernel-debug-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-debug-modules-coreUpgrade kernel-debug-develUpgrade kernel-rt-develUpgrade kernel-develUpgrade kernel-debugUpgrade bpftoolUpgrade kernel-rt-kvmUpgrade kernel-coreUpgrade python3-perfUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-coreUpgrade kernel-tools-debuginfoUpgrade rtlaUpgrade kernel-debug-coreUpgrade kernel-zfcpdumpUpgrade kernel-rt-debugUpgrade kernel-modules-extraUpgrade kernel-modulesUpgrade kernel-rt-debug-modules-core | Jun 17, 2024 | May 1, 2024 |
| Suse | — | Upgrade kernel-debug-livepatch-develUpgrade cluster-md-kmp-64kbUpgrade kselftests-kmp-azureUpgrade kernel-docs-htmlUpgrade kernel-syms-rtUpgrade kernel-azure-vdsoUpgrade kernel-azureUpgrade dtb-sprdUpgrade kernel-source-vanillaUpgrade reiserfs-kmp-64kbUpgrade kernel-syms-azureUpgrade kernel-obs-buildUpgrade kernel-rt_debug-vdsoUpgrade kernel-rtUpgrade kernel-debug-vdsoUpgrade kernel-rt_debug-develUpgrade kernel-rt-optionalUpgrade dtb-rockchipUpgrade kernel-azure-develUpgrade kernel-azure-baseUpgrade kernel-rt-vdsoUpgrade dlm-kmp-rtUpgrade dtb-marvellUpgrade kernel-azure-optionalUpgrade kernel-rt-livepatch-develUpgrade kernel-default-manUpgrade kernel-default-livepatchUpgrade dtb-broadcomUpgrade kernel-source-rtUpgrade dtb-amlogicUpgrade kernel-default-base-rebuildUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-defaultUpgrade gfs2-kmp-azureUpgrade kernel-rt_debugUpgrade kernel-64kb-extraUpgrade kernel-azure-livepatch-develUpgrade dtb-alteraUpgrade dtb-caviumUpgrade reiserfs-kmp-azureUpgrade ocfs2-kmp-64kbUpgrade dtb-qcomUpgrade dtb-nvidiaUpgrade gfs2-kmp-defaultUpgrade kernel-docsUpgrade kernel-kvmsmall-vdsoUpgrade kernel-rt-extraUpgrade kselftests-kmp-rtUpgrade kernel-azure-extraUpgrade kernel-64kb-optionalUpgrade kernel-obs-qaUpgrade dtb-lgUpgrade dtb-hisiliconUpgrade cluster-md-kmp-rtUpgrade kernel-kvmsmallUpgrade gfs2-kmp-64kbUpgrade dlm-kmp-64kbUpgrade reiserfs-kmp-rtUpgrade kernel-sourceUpgrade kernel-rt-livepatchUpgrade gfs2-kmp-rtUpgrade kernel-kvmsmall-develUpgrade kernel-devel-azureUpgrade kernel-default-vdsoUpgrade kernel-64kb-livepatch-develUpgrade kernel-default-baseUpgrade dtb-xilinxUpgrade cluster-md-kmp-azureUpgrade dtb-amdUpgrade kernel-symsUpgrade dlm-kmp-defaultUpgrade kselftests-kmp-64kbUpgrade kernel-zfcpdumpUpgrade kernel-develUpgrade kernel-debug-develUpgrade kernel-default-extraUpgrade kernel-default-optionalUpgrade dtb-freescaleUpgrade dtb-amazonUpgrade cluster-md-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade kernel-rt-develUpgrade kernel-64kb-develUpgrade dtb-socionextUpgrade dtb-exynosUpgrade dtb-apmUpgrade dtb-allwinnerUpgrade kernel-macrosUpgrade dtb-armUpgrade kernel-devel-rtUpgrade dtb-appleUpgrade dlm-kmp-azureUpgrade reiserfs-kmp-defaultUpgrade kernel-debugUpgrade kernel-source-azureUpgrade kernel-default-develUpgrade kernel-64kbUpgrade dtb-renesasUpgrade ocfs2-kmp-azureUpgrade kernel-default-livepatch-develUpgrade ocfs2-kmp-rtUpgrade kselftests-kmp-defaultUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-mediatek | May 15, 2024 | May 1, 2024 |
| Ubuntu | — | Upgrade linux-image-gke-5.15Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.15.0-116-lowlatency-64kUpgrade linux-image-azureUpgrade linux-image-virtualUpgrade linux-image-lowlatencyUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-osp1Upgrade linux-image-oracle-64kUpgrade linux-image-5.4.0-1127-oracleUpgrade linux-image-5.15.0-1065-gcpUpgrade linux-image-lowlatency-64kUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-gkeUpgrade linux-image-5.15.0-116-lowlatencyUpgrade linux-image-intel-iotgUpgrade linux-image-raspiUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.15.0-1065-awsUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1035-xilinx-zynqmpUpgrade linux-image-5.15.0-1060-nvidiaUpgrade linux-image-6.8.0-1007-intelUpgrade linux-image-6.8.0-1010-azureUpgrade linux-image-nvidiaUpgrade linux-image-5.4.0-189-lowlatencyUpgrade linux-image-gkeop-5.4Upgrade linux-image-5.15.0-1068-azure-fdeUpgrade linux-image-6.8.0-1008-oracle-64kUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-5.15.0-116-generic-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-5.15.0-116-genericUpgrade linux-image-azure-lts-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1008-oracleUpgrade linux-image-6.8.0-1009-nvidia-64kUpgrade linux-image-raspi2Upgrade linux-image-oem-20.04cUpgrade linux-image-oem-24.04aUpgrade linux-image-intelUpgrade linux-image-oem-24.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-oemUpgrade linux-image-oem-20.04Upgrade linux-image-generic-64kUpgrade linux-image-oem-20.04bUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-5.15.0-116-generic-lpaeUpgrade linux-image-5.15.0-1064-gcpUpgrade linux-image-genericUpgrade linux-image-6.8.0-38-genericUpgrade linux-image-gkeopUpgrade linux-image-5.15.0-1060-intel-iotgUpgrade linux-image-gcpUpgrade linux-image-5.15.0-1058-raspiUpgrade linux-image-nvidia-64kUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1010-gcpUpgrade linux-image-5.4.0-1132-gcpUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-5.4.0-189-generic-lpaeUpgrade linux-image-5.4.0-1112-raspiUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-bluefieldUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-azure-lts-20.04Upgrade linux-image-5.4.0-1133-azureUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-6.8.0-1008-ibmUpgrade linux-image-6.8.0-1008-oemUpgrade linux-image-5.4.0-1116-kvmUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.4.0-1047-xilinx-zynqmpUpgrade linux-image-5.15.0-1060-nvidia-lowlatencyUpgrade linux-image-6.8.0-38-generic-64kUpgrade linux-image-aws-lts-22.04Upgrade linux-image-5.15.0-1058-ibmUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-38-lowlatencyUpgrade linux-image-6.8.0-1006-gkeUpgrade linux-image-5.15.0-1068-azureUpgrade linux-image-kvmUpgrade linux-image-aws-lts-20.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-awsUpgrade linux-image-6.8.0-1009-nvidiaUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-5.15.0-1048-gkeopUpgrade linux-image-5.4.0-1040-iotUpgrade linux-image-azure-cvmUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-6.8.0-38-lowlatency-64kUpgrade linux-image-6.8.0-1011-awsUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.4.0-1128-awsUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.4.0-1095-gkeopUpgrade linux-image-raspi-nolpaeUpgrade linux-image-5.15.0-1063-oracleUpgrade linux-image-5.4.0-1088-bluefieldUpgrade linux-image-5.4.0-1075-ibmUpgrade linux-image-5.15.0-1062-gkeUpgrade linux-image-5.15.0-1062-kvmUpgrade linux-image-6.8.0-1007-raspiUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1010-azure-fdeUpgrade linux-image-azure-fdeUpgrade linux-image-5.4.0-189-generic | Jul 12, 2024 | May 1, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 1, 2024 |
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