In the Linux kernel, the following vulnerability has been resolved:
watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger
When the cpu5wdt module is removing, the origin code uses del_timer() to de-activate the timer. If the timer handler is running, del_timer() could not stop it and will return directly. If the port region is released by release_region() and then the timer handler cpu5wdt_trigger() calls outb() to write into the region that is released, the use-after-free bug will happen.
Change del_timer() to timer_shutdown_sync() in order that the timer handler could be finished before the port region is released.
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 |
|---|---|---|---|---|
| Debian | — | No solution existsUpgrade linux | May 15, 2025 | Jun 21, 2024 |
| Suse | — | Upgrade kernel-azure-develUpgrade dlm-kmp-defaultUpgrade dtb-xilinxUpgrade kernel-rt-livepatchUpgrade ocfs2-kmp-rtUpgrade dtb-apmUpgrade dtb-qcomUpgrade reiserfs-kmp-azureUpgrade kselftests-kmp-defaultUpgrade kernel-default-optionalUpgrade ocfs2-kmp-azureUpgrade kernel-rt_debug-vdsoUpgrade kernel-docsUpgrade kernel-default-base-rebuildUpgrade kselftests-kmp-rtUpgrade dtb-sprdUpgrade kernel-64kb-develUpgrade kernel-symsUpgrade kernel-rt-livepatch-develUpgrade dtb-nvidiaUpgrade kernel-macrosUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-develUpgrade dtb-amlogicUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-rtUpgrade kernel-syms-rtUpgrade kernel-64kb-extraUpgrade kernel-default-livepatch-develUpgrade kernel-kvmsmallUpgrade kernel-debug-livepatch-develUpgrade kernel-obs-qaUpgrade kernel-default-baseUpgrade kernel-defaultUpgrade kernel-rt-develUpgrade dtb-armUpgrade kernel-default-extraUpgrade dlm-kmp-azureUpgrade kernel-rtUpgrade reiserfs-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade cluster-md-kmp-defaultUpgrade dtb-mediatekUpgrade kernel-devel-rtUpgrade dtb-rockchipUpgrade kernel-64kbUpgrade dtb-alteraUpgrade reiserfs-kmp-64kbUpgrade kernel-kvmsmall-livepatch-develUpgrade gfs2-kmp-rtUpgrade kernel-azure-optionalUpgrade kernel-azureUpgrade gfs2-kmp-azureUpgrade kernel-azure-extraUpgrade kernel-azure-baseUpgrade dtb-caviumUpgrade kernel-64kb-livepatch-develUpgrade kernel-source-vanillaUpgrade dtb-hisiliconUpgrade gfs2-kmp-defaultUpgrade kernel-64kb-optionalUpgrade dtb-socionextUpgrade dtb-amazonUpgrade ocfs2-kmp-defaultUpgrade kselftests-kmp-azureUpgrade kernel-source-azureUpgrade kernel-rt-vdsoUpgrade kernel-devel-azureUpgrade kernel-debugUpgrade dtb-renesasUpgrade kselftests-kmp-64kbUpgrade dtb-broadcomUpgrade cluster-md-kmp-azureUpgrade kernel-source-rtUpgrade kernel-sourceUpgrade kernel-kvmsmall-vdsoUpgrade kernel-debug-develUpgrade kernel-rt-extraUpgrade dtb-appleUpgrade kernel-azure-livepatch-develUpgrade kernel-default-vdsoUpgrade kernel-azure-vdsoUpgrade dtb-exynosUpgrade kernel-zfcpdumpUpgrade kernel-rt_debug-develUpgrade kernel-kvmsmall-develUpgrade kernel-docs-htmlUpgrade gfs2-kmp-64kbUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-64kbUpgrade kernel-rt_debugUpgrade dtb-marvellUpgrade dtb-amdUpgrade dtb-allwinnerUpgrade kernel-obs-buildUpgrade kernel-debug-vdsoUpgrade kernel-default-livepatchUpgrade kernel-default-develUpgrade dtb-lgUpgrade dtb-freescaleUpgrade kernel-syms-azureUpgrade kernel-rt-optionalUpgrade kernel-default-manUpgrade dlm-kmp-64kb | Jul 10, 2024 | Jun 21, 2024 |
| Ubuntu | — | Upgrade linux-image-gkeop-5.15Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.8.0-44-lowlatencyUpgrade linux-image-6.8.0-1013-nvidiaUpgrade linux-image-6.8.0-1013-nvidia-lowlatencyUpgrade linux-image-oem-osp1Upgrade linux-image-4.15.0-1174-awsUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-oemUpgrade linux-image-oem-20.04Upgrade linux-image-5.4.0-198-genericUpgrade linux-image-oem-20.04bUpgrade linux-image-5.15.0-124-lowlatency-64kUpgrade linux-image-gkeUpgrade linux-image-4.4.0-260-lowlatencyUpgrade linux-image-oem-22.04Upgrade linux-image-oem-22.04cUpgrade linux-image-intelUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-generic-lts-xenialUpgrade linux-image-6.8.0-1012-ibmUpgrade linux-image-4.4.0-260-genericUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1011-raspiUpgrade linux-image-gkeop-5.4Upgrade linux-image-6.8.0-1013-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1010-gkeUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-5.15.0-1068-kvmUpgrade linux-image-5.4.0-1101-gkeopUpgrade linux-image-5.4.0-1118-raspiUpgrade linux-image-6.8.0-1012-oracleUpgrade linux-image-5.15.0-1064-raspiUpgrade linux-image-5.4.0-1134-awsUpgrade linux-image-4.15.0-1136-oracleUpgrade linux-image-genericUpgrade linux-image-aws-lts-18.04Upgrade linux-image-virtualUpgrade linux-image-6.8.0-1014-gcpUpgrade linux-image-6.8.0-44-lowlatency-64kUpgrade linux-image-4.4.0-1138-kvmUpgrade linux-image-5.4.0-1044-iotUpgrade linux-image-gkeopUpgrade linux-image-5.15.0-1074-azure-fdeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-4.4.0-1137-awsUpgrade linux-image-azure-lts-18.04Upgrade linux-image-6.8.0-45-generic-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-1070-gcpUpgrade linux-image-lowlatency-64kUpgrade linux-image-bluefieldUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.15.0-124-generic-64kUpgrade linux-image-nvidiaUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-generic-64kUpgrade linux-image-4.15.0-1182-azureUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-azure-lts-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1014-azure-fdeUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-oracle-lts-20.04Upgrade linux-image-6.8.0-1015-awsUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-1064-ibmUpgrade linux-image-intel-iotgUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-oracleUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-5.15.0-1068-gkeUpgrade linux-image-4.15.0-1157-kvmUpgrade linux-image-5.15.0-1074-azureUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-virtual-hwe-16.04Upgrade linux-image-oem-22.04aUpgrade linux-image-5.4.0-198-generic-lpaeUpgrade linux-image-5.15.0-1066-nvidia-lowlatencyUpgrade linux-image-nvidia-64kUpgrade linux-image-5.4.0-1138-gcpUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-5.15.0-1066-nvidiaUpgrade linux-image-4.15.0-230-lowlatencyUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1012-oemUpgrade linux-image-aws-lts-20.04Upgrade linux-image-5.4.0-1122-kvmUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1014-azureUpgrade linux-image-aws-hweUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1054-gkeopUpgrade linux-image-6.8.0-1013-nvidia-64kUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-aws-lts-22.04Upgrade linux-image-5.4.0-1139-azureUpgrade linux-image-5.15.0-124-generic-lpaeUpgrade linux-image-oem-22.04bUpgrade linux-image-5.15.0-1037-xilinx-zynqmpUpgrade linux-image-azureUpgrade linux-image-5.4.0-1133-oracleUpgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-1066-intel-iotgUpgrade linux-image-4.15.0-1167-gcpUpgrade linux-image-azure-lts-20.04Upgrade linux-image-5.15.0-1071-awsUpgrade linux-image-raspi2Upgrade linux-image-oracle-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-kvmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-awsUpgrade linux-image-6.8.0-44-generic-64kUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.4.0-1053-xilinx-zynqmpUpgrade linux-image-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-6.8.0-45-genericUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.4.0-1094-bluefieldUpgrade linux-image-5.4.0-1081-ibmUpgrade linux-image-4.15.0-230-genericUpgrade linux-image-gcpUpgrade linux-image-4.4.0-1175-awsUpgrade linux-image-5.15.0-124-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-44-genericUpgrade linux-image-azure-cvmUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-5.15.0-124-genericUpgrade linux-image-5.4.0-198-lowlatencyUpgrade linux-image-6.8.0-1012-oracle-64kUpgrade linux-image-5.15.0-1069-oracle | Sep 12, 2024 | Jun 21, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub