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 kernel-debuginfoUpgrade kernel-livepatch-5.15.173-118.169Upgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade python-perfUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.10.230-223.885Upgrade kernel-debuginfo-common-aarch64 | Dec 20, 2024 | Jul 29, 2024 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-modules-extraUpgrade python3-perfUpgrade kernel-develUpgrade kernel-libbpf-staticUpgrade python3-perf-debuginfoUpgrade kernel-libbpfUpgrade bpftoolUpgrade perfUpgrade kernel-modules-extra-commonUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-develUpgrade kernel-livepatch-6.1.119-129.201Upgrade kernel-headersUpgrade kernel-toolsUpgrade 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-abi-stablelistsUpgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-tools | Oct 9, 2024 | Jul 29, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade bpftoolUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perf | Nov 5, 2024 | Jul 29, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Nov 28, 2025 | Jul 29, 2024 |
| Suse | — | Upgrade kernel-obs-buildUpgrade gfs2-kmp-defaultUpgrade kernel-default-livepatch-develUpgrade dtb-mediatekUpgrade dtb-alteraUpgrade kernel-default-optionalUpgrade ocfs2-kmp-64kbUpgrade dtb-amdUpgrade kernel-rt-develUpgrade kernel-debugUpgrade kernel-azure-optionalUpgrade kernel-rt_debug-develUpgrade kernel-rt-extraUpgrade kernel-64kb-develUpgrade ocfs2-kmp-azureUpgrade dtb-allwinnerUpgrade dtb-freescaleUpgrade kernel-azureUpgrade kernel-rt_debug-livepatch-develUpgrade cluster-md-kmp-rtUpgrade dlm-kmp-64kbUpgrade kernel-develUpgrade kernel-default-livepatchUpgrade dtb-lgUpgrade gfs2-kmp-azureUpgrade kernel-64kb-optionalUpgrade kernel-devel-rtUpgrade kselftests-kmp-64kbUpgrade kernel-64kb-extraUpgrade dlm-kmp-rtUpgrade kernel-debug-vdsoUpgrade cluster-md-kmp-64kbUpgrade dtb-xilinxUpgrade kernel-defaultUpgrade kernel-default-vdsoUpgrade dtb-sprdUpgrade kernel-source-vanillaUpgrade kernel-source-rtUpgrade reiserfs-kmp-azureUpgrade kernel-default-baseUpgrade reiserfs-kmp-64kbUpgrade kernel-debug-develUpgrade kernel-rt-livepatchUpgrade dtb-hisiliconUpgrade kselftests-kmp-azureUpgrade reiserfs-kmp-defaultUpgrade dtb-nvidiaUpgrade kernel-rt-optionalUpgrade dtb-broadcomUpgrade dtb-renesasUpgrade dtb-caviumUpgrade dtb-exynosUpgrade ocfs2-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-symsUpgrade kselftests-kmp-defaultUpgrade dtb-marvellUpgrade reiserfs-kmp-rtUpgrade kselftests-kmp-rtUpgrade kernel-obs-qaUpgrade kernel-kvmsmallUpgrade kernel-azure-develUpgrade cluster-md-kmp-azureUpgrade kernel-docs-htmlUpgrade kernel-azure-livepatch-develUpgrade dtb-apmUpgrade gfs2-kmp-64kbUpgrade dtb-socionextUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-armUpgrade kernel-rtUpgrade kernel-syms-rtUpgrade kernel-source-azureUpgrade kernel-default-extraUpgrade kernel-rt_debug-vdsoUpgrade kernel-sourceUpgrade kernel-docsUpgrade kernel-syms-azureUpgrade kernel-rt-vdsoUpgrade kernel-rt-livepatch-develUpgrade kernel-kvmsmall-vdsoUpgrade kernel-default-base-rebuildUpgrade dtb-amlogicUpgrade kernel-macrosUpgrade kernel-zfcpdumpUpgrade kernel-azure-vdsoUpgrade gfs2-kmp-rtUpgrade dtb-appleUpgrade ocfs2-kmp-rtUpgrade kernel-64kb-livepatch-develUpgrade kernel-devel-azureUpgrade kernel-64kbUpgrade dtb-rockchipUpgrade dtb-amazonUpgrade dlm-kmp-azureUpgrade kernel-debug-livepatch-develUpgrade cluster-md-kmp-defaultUpgrade kernel-azure-extraUpgrade dtb-qcomUpgrade kernel-rt_debugUpgrade kernel-kvmsmall-develUpgrade kernel-default-devel | Dec 5, 2025 | Sep 10, 2024 |
| Ubuntu | — | Upgrade linux-image-5.15.0-133-lowlatency-64kUpgrade linux-image-6.8.0-1016-gcpUpgrade linux-image-azureUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1016-azureUpgrade linux-image-lowlatency-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-raspiUpgrade linux-image-5.15.0-134-generic-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-48-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-azure-fdeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-5.15.0-1021-nvidia-tegra-igx-rtUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.8.0-1017-nvidia-lowlatencyUpgrade linux-image-6.8.0-1016-azure-fdeUpgrade linux-image-5.15.0-1072-nvidiaUpgrade linux-image-5.15.0-1075-oracleUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-5.15.0-1072-nvidia-lowlatencyUpgrade linux-image-nvidia-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-1078-awsUpgrade linux-image-6.8.0-1017-nvidiaUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1017-azureUpgrade linux-image-azure-cvmUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1017-gcpUpgrade linux-image-awsUpgrade linux-image-6.8.0-1017-azure-fdeUpgrade linux-image-5.15.0-1033-nvidia-tegraUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-5.15.0-133-generic-64kUpgrade linux-image-5.15.0-1074-ibmUpgrade linux-image-oem-22.04dUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.15.0-1044-xilinx-zynqmpUpgrade linux-image-oem-22.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.15.0-134-generic-lpaeUpgrade linux-image-6.8.0-1013-gkeUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-133-lowlatencyUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-oem-22.04bUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-5.15.0-1076-kvmUpgrade linux-image-5.15.0-1033-nvidia-tegra-rtUpgrade linux-image-6.8.0-48-genericUpgrade linux-image-oracleUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-1015-oracle-64kUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-gkeUpgrade linux-image-5.15.0-1070-ibmUpgrade linux-image-6.8.0-1016-oemUpgrade linux-image-genericUpgrade linux-image-gcpUpgrade linux-image-oem-24.04aUpgrade linux-image-5.15.0-1072-raspiUpgrade linux-image-6.8.0-48-lowlatency-64kUpgrade linux-image-intelUpgrade linux-image-6.8.0-1015-oracleUpgrade linux-image-nvidiaUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1017-nvidia-lowlatency-64kUpgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1017-nvidia-64kUpgrade linux-image-6.8.0-1014-ibmUpgrade linux-image-5.15.0-133-generic-lpaeUpgrade linux-image-5.15.0-1080-awsUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-5.15.0-1060-gkeopUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-5.15.0-1081-azure-fdeUpgrade linux-image-gke-5.15Upgrade linux-image-gkeopUpgrade linux-image-oem-20.04Upgrade linux-image-ibm-classicUpgrade linux-image-5.15.0-1075-gkeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-virtualUpgrade linux-image-6.8.0-1014-raspiUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1018-awsUpgrade linux-image-oem-20.04bUpgrade linux-image-6.8.0-48-generic-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-5.15.0-1021-nvidia-tegra-igxUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-133-genericUpgrade linux-image-nvidia-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-134-genericUpgrade linux-image-5.15.0-1077-gcpUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-aws-lts-22.04Upgrade linux-image-5.15.0-1073-intel-iotgUpgrade linux-image-oem-20.04dUpgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-tegraUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-kvmUpgrade linux-image-5.15.0-1081-azureUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-oem-24.04Upgrade linux-image-oracle-64k | 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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