In the Linux kernel, the following vulnerability has been resolved:
io_uring: fix possible deadlock in io_register_iowq_max_workers()
The io_register_iowq_max_workers() function calls io_put_sq_data(), which acquires the sqd->lock without releasing the uring_lock. Similar to the commit 009ad9f0c6ee ("io_uring: drop ctx->uring_lock before acquiring sqd->lock"), this can lead to a potential deadlock situation.
To resolve this issue, the uring_lock is released before calling io_put_sq_data(), and then it is re-acquired after the function call.
This change ensures that the locks are acquired in the correct order, preventing the possibility of a deadlock.
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 perf-debuginfoUpgrade kernel-livepatch-5.10.230-223.885Upgrade perfUpgrade kernel-tools-develUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade python-perf-debuginfoUpgrade kernel-livepatch-5.15.173-118.169Upgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-develUpgrade kernel-toolsUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool | Dec 20, 2024 | Jul 29, 2024 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade python3-perf-debuginfoUpgrade python3-perfUpgrade bpftool-debuginfoUpgrade kernel-develUpgrade kernel-libbpfUpgrade kernel-modules-extraUpgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-libbpf-staticUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel-livepatch-6.1.119-129.201Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-develUpgrade kernel-headersUpgrade kernel-modules-extra-commonUpgrade kernel | Dec 4, 2025 | Jul 29, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Dec 2, 2024 | Jul 29, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade kernel-toolsUpgrade python3-perfUpgrade bpftoolUpgrade kernelUpgrade kernel-abi-stablelists | Oct 9, 2024 | Jul 29, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernelUpgrade bpftool | Nov 5, 2024 | Jul 29, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Nov 28, 2025 | Jul 29, 2024 |
| Suse | — | Upgrade dtb-amazonUpgrade dtb-apmUpgrade dtb-marvellUpgrade kernel-kvmsmall-develUpgrade dtb-qcomUpgrade kernel-azure-extraUpgrade kernel-docs-htmlUpgrade kernel-rt_debugUpgrade kernel-obs-qaUpgrade dtb-rockchipUpgrade kernel-64kbUpgrade kernel-64kb-livepatch-develUpgrade kernel-devel-azureUpgrade kernel-syms-rtUpgrade cluster-md-kmp-azureUpgrade kernel-source-azureUpgrade dtb-amlogicUpgrade kernel-macrosUpgrade kernel-default-extraUpgrade kernel-sourceUpgrade kernel-debug-livepatch-develUpgrade kernel-kvmsmallUpgrade kselftests-kmp-rtUpgrade kernel-default-develUpgrade reiserfs-kmp-rtUpgrade kernel-symsUpgrade dlm-kmp-azureUpgrade ocfs2-kmp-rtUpgrade dlm-kmp-defaultUpgrade kernel-rt-vdsoUpgrade kernel-syms-azureUpgrade kernel-zfcpdumpUpgrade dtb-appleUpgrade cluster-md-kmp-defaultUpgrade kernel-default-base-rebuildUpgrade kernel-rt_debug-vdsoUpgrade kernel-kvmsmall-vdsoUpgrade kernel-docsUpgrade kernel-rtUpgrade kernel-rt-livepatch-develUpgrade gfs2-kmp-rtUpgrade kernel-azure-livepatch-develUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-azure-develUpgrade dtb-armUpgrade dtb-socionextUpgrade gfs2-kmp-64kbUpgrade kernel-azure-vdsoUpgrade kselftests-kmp-defaultUpgrade kernel-source-rtUpgrade kernel-azureUpgrade dtb-alteraUpgrade reiserfs-kmp-azureUpgrade kernel-defaultUpgrade reiserfs-kmp-64kbUpgrade kernel-azure-optionalUpgrade dlm-kmp-64kbUpgrade kernel-devel-rtUpgrade kernel-64kb-optionalUpgrade dtb-broadcomUpgrade ocfs2-kmp-defaultUpgrade dtb-sprdUpgrade ocfs2-kmp-azureUpgrade dtb-caviumUpgrade kernel-rt-optionalUpgrade kernel-default-baseUpgrade dtb-allwinnerUpgrade cluster-md-kmp-rtUpgrade kernel-rt_debug-develUpgrade cluster-md-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade kernel-debug-vdsoUpgrade kernel-64kb-extraUpgrade dtb-xilinxUpgrade kernel-rt-develUpgrade kernel-obs-buildUpgrade dlm-kmp-rtUpgrade dtb-freescaleUpgrade kernel-debugUpgrade dtb-exynosUpgrade dtb-renesasUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-rt-livepatchUpgrade kselftests-kmp-azureUpgrade kernel-debug-develUpgrade dtb-nvidiaUpgrade dtb-hisiliconUpgrade reiserfs-kmp-defaultUpgrade kernel-default-livepatchUpgrade kernel-develUpgrade gfs2-kmp-azureUpgrade dtb-lgUpgrade dtb-mediatekUpgrade kernel-rt-extraUpgrade kernel-default-optionalUpgrade kernel-default-livepatch-develUpgrade kernel-64kb-develUpgrade gfs2-kmp-defaultUpgrade dtb-amdUpgrade ocfs2-kmp-64kbUpgrade kernel-source-vanillaUpgrade kernel-default-vdso | Dec 5, 2025 | Sep 10, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-48-generic-64kUpgrade linux-image-genericUpgrade linux-image-intelUpgrade linux-image-gcpUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1014-ibmUpgrade linux-image-oracleUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-1017-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1060-gkeopUpgrade linux-image-6.8.0-1015-oracle-64kUpgrade linux-image-5.15.0-134-genericUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-48-genericUpgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-ibm-classicUpgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1018-awsUpgrade linux-image-oem-20.04dUpgrade linux-image-oem-22.04cUpgrade linux-image-virtualUpgrade linux-image-nvidia-tegraUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1014-raspiUpgrade linux-image-oem-20.04bUpgrade linux-image-lowlatencyUpgrade linux-image-5.15.0-1033-nvidia-tegra-rtUpgrade linux-image-5.15.0-1081-azureUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-5.15.0-133-lowlatencyUpgrade linux-image-gkeopUpgrade linux-image-5.15.0-1070-ibmUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-6.8.0-1017-nvidia-64kUpgrade linux-image-generic-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1015-oracleUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-1072-raspiUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-kvmUpgrade linux-image-6.8.0-1016-oemUpgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-1073-intel-iotgUpgrade linux-image-5.15.0-1081-azure-fdeUpgrade linux-image-gke-5.15Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-5.15.0-1075-gkeUpgrade linux-image-oem-22.04bUpgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-133-generic-lpaeUpgrade linux-image-nvidiaUpgrade linux-image-gkeop-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.15.0-1021-nvidia-tegra-igxUpgrade linux-image-5.15.0-1077-gcpUpgrade linux-image-5.15.0-133-genericUpgrade linux-image-6.8.0-48-lowlatency-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-5.15.0-1080-awsUpgrade linux-image-5.15.0-1076-kvmUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-azureUpgrade linux-image-5.15.0-134-generic-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1017-nvidia-lowlatencyUpgrade linux-image-oem-22.04Upgrade linux-image-raspiUpgrade linux-image-nvidia-6.8Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-48-lowlatencyUpgrade linux-image-6.8.0-1017-azure-fdeUpgrade linux-image-5.15.0-1078-awsUpgrade linux-image-raspi-nolpaeUpgrade linux-image-5.15.0-1072-nvidia-lowlatencyUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1017-nvidiaUpgrade linux-image-6.8.0-1016-azureUpgrade linux-image-5.15.0-133-lowlatency-64kUpgrade linux-image-6.8.0-1017-gcpUpgrade linux-image-6.8.0-1017-azureUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1013-gkeUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-5.15.0-1074-ibmUpgrade linux-image-azure-fdeUpgrade linux-image-lowlatency-64kUpgrade linux-image-5.15.0-1072-nvidiaUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.15.0-1021-nvidia-tegra-igx-rtUpgrade linux-image-oem-22.04aUpgrade linux-image-awsUpgrade linux-image-5.15.0-1033-nvidia-tegraUpgrade linux-image-gkeop-5.15Upgrade linux-image-azure-cvmUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-ibmUpgrade linux-image-5.15.0-133-generic-64kUpgrade linux-image-5.15.0-134-generic-lpaeUpgrade linux-image-5.15.0-1044-xilinx-zynqmpUpgrade linux-image-6.8.0-1016-gcpUpgrade linux-image-5.15.0-1075-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.8.0-1016-azure-fdeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-lpae-hwe-20.04 | Nov 4, 2024 | Jul 29, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 22, 2025 | Jul 29, 2024 |
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