In the Linux kernel, the following vulnerability has been resolved:
sched/debug: fix dentry leak in update_sched_domain_debugfs
Kuyo reports that the pattern of using debugfs_remove(debugfs_lookup()) leaks a dentry and with a hotplug stress test, the machine eventually runs out of memory.
Fix this up by using the newly created debugfs_lookup_and_remove() call instead which properly handles the dentry reference counting logic.
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 python-perfUpgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade kernel-livepatch-5.15.69-37.134Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade perfUpgrade perf-debuginfoUpgrade kernel | Aug 28, 2024 | May 3, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | May 3, 2024 |
| Suse | — | Upgrade kernel-azure-vdsoUpgrade kernel-kvmsmall-develUpgrade kernel-default-develUpgrade kernel-debug-develUpgrade kernel-devel-azureUpgrade kernel-rt-livepatch-develUpgrade dtb-marvellUpgrade kernel-64kb-optionalUpgrade gfs2-kmp-rtUpgrade kernel-kvmsmallUpgrade kernel-debugUpgrade kernel-zfcpdumpUpgrade dtb-alteraUpgrade kernel-64kb-livepatch-develUpgrade kernel-symsUpgrade dtb-socionextUpgrade kernel-source-vanillaUpgrade kernel-debug-livepatch-develUpgrade kernel-64kbUpgrade kernel-azureUpgrade kselftests-kmp-azureUpgrade kernel-azure-extraUpgrade dtb-renesasUpgrade dtb-freescaleUpgrade kselftests-kmp-64kbUpgrade reiserfs-kmp-rtUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-amazonUpgrade reiserfs-kmp-64kbUpgrade ocfs2-kmp-azureUpgrade kernel-sourceUpgrade gfs2-kmp-64kbUpgrade dtb-hisiliconUpgrade kernel-kvmsmall-vdsoUpgrade dtb-amdUpgrade dtb-amlogicUpgrade dtb-broadcomUpgrade reiserfs-kmp-defaultUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt_debugUpgrade kernel-default-baseUpgrade kernel-source-azureUpgrade dtb-appleUpgrade ocfs2-kmp-64kbUpgrade dlm-kmp-64kbUpgrade ocfs2-kmp-rtUpgrade kernel-rt-vdsoUpgrade kernel-rt-optionalUpgrade dtb-exynosUpgrade kernel-source-rtUpgrade cluster-md-kmp-azureUpgrade kernel-rt_debug-develUpgrade gfs2-kmp-azureUpgrade dlm-kmp-defaultUpgrade kernel-azure-optionalUpgrade dtb-lgUpgrade kernel-default-livepatchUpgrade kernel-default-livepatch-develUpgrade kernel-docs-htmlUpgrade dtb-caviumUpgrade kernel-syms-rtUpgrade kernel-rt-livepatchUpgrade dtb-qcomUpgrade kselftests-kmp-rtUpgrade kernel-default-extraUpgrade dtb-sprdUpgrade kernel-default-optionalUpgrade ocfs2-kmp-defaultUpgrade kernel-macrosUpgrade kernel-devel-rtUpgrade kselftests-kmp-defaultUpgrade dtb-nvidiaUpgrade dtb-xilinxUpgrade kernel-rt_debug-livepatch-develUpgrade cluster-md-kmp-defaultUpgrade cluster-md-kmp-rtUpgrade kernel-obs-qaUpgrade kernel-defaultUpgrade kernel-syms-azureUpgrade kernel-develUpgrade kernel-azure-develUpgrade kernel-debug-vdsoUpgrade gfs2-kmp-defaultUpgrade dtb-allwinnerUpgrade dlm-kmp-rtUpgrade reiserfs-kmp-azureUpgrade kernel-docsUpgrade kernel-default-base-rebuildUpgrade kernel-rtUpgrade dtb-apmUpgrade dtb-mediatekUpgrade kernel-rt-develUpgrade kernel-obs-buildUpgrade kernel-default-vdsoUpgrade dtb-rockchipUpgrade dtb-armUpgrade kernel-azure-livepatch-develUpgrade kernel-rt-extraUpgrade dlm-kmp-azureUpgrade kernel-64kb-develUpgrade kernel-64kb-extraUpgrade cluster-md-kmp-64kb | Aug 9, 2024 | May 3, 2024 |
| Ubuntu | — | Upgrade linux-intel-iotgUpgrade linux-awsUpgrade linux-azure-fdeUpgrade linux-kvmUpgrade linux-aws-5.15Upgrade linux-gcpUpgrade linux-oracleUpgrade linux-riscv-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-realtimeUpgrade linux-nvidiaUpgrade linux-gcp-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-azure-fde-5.15Upgrade linux-oracle-5.15Upgrade linux-lowlatencyUpgrade linux-gkeUpgrade linux-raspiUpgrade linux-gkeopUpgrade linux-azure-5.15Upgrade linux-azureUpgrade linuxUpgrade linux-hwe-5.15Upgrade linux-gkeop-5.15Upgrade linux-ibm | Nov 19, 2024 | May 3, 2024 |
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