In the Linux kernel, the following vulnerability has been resolved:
RDMA/cma: Fix hang when cma_netevent_callback fails to queue_work
The cited commit fixed a crash when cma_netevent_callback was called for a cma_id while work on that id from a previous call had not yet started. The work item was re-initialized in the second call, which corrupted the work item currently in the work queue.
However, it left a problem when queue_work fails (because the item is still pending in the work queue from a previous call). In this case, cma_id_put (which is called in the work handler) is therefore not called. This results in a userspace process hang (zombie process).
Fix this by calling cma_id_put() if queue_work fails.
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_2023 | — | Upgrade perf6.12Upgrade kernel-develUpgrade kernelUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-develUpgrade kernel6.12-debuginfoUpgrade bpftoolUpgrade kernel-modules-extra-commonUpgrade python3-perf6.12-debuginfoUpgrade kernel-toolsUpgrade kernel-libbpf-staticUpgrade kernel-debuginfo-common-x86_64Upgrade python3-perfUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-6.12.35-55.103Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-livepatch-6.1.144-170.251Upgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade kernel-debuginfoUpgrade python3-perf6.12Upgrade perf6.12-debuginfoUpgrade perf-debuginfoUpgrade kernel6.12-modules-extraUpgrade kernel-tools-develUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-modules-extraUpgrade kernel6.12Upgrade kernel-libbpf-debuginfoUpgrade kernel-libbpfUpgrade bpftool-debuginfo | Sep 9, 2025 | Jul 3, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Jul 4, 2025 | Jul 4, 2025 |
| Suse | — | Upgrade dtb-xilinxUpgrade kernel-default-base-rebuildUpgrade kernel-azureUpgrade dlm-kmp-azureUpgrade dtb-qcomUpgrade kernel-rt-livepatchUpgrade kernel-default-optionalUpgrade cluster-md-kmp-rtUpgrade kernel-source-vanillaUpgrade kernel-rt-develUpgrade kernel-rt-extraUpgrade kernel-rtUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade kernel-64kb-extraUpgrade kernel-debug-vdsoUpgrade kernel-default-vdsoUpgrade kernel-docsUpgrade kernel-azure-develUpgrade dtb-rockchipUpgrade kernel-devel-rtUpgrade kselftests-kmp-defaultUpgrade kernel-rt-vdsoUpgrade kselftests-kmp-rtUpgrade reiserfs-kmp-azureUpgrade dtb-mediatekUpgrade kernel-syms-azureUpgrade kernel-obs-buildUpgrade dtb-sprdUpgrade dtb-amlogicUpgrade dtb-nvidiaUpgrade kernel-defaultUpgrade gfs2-kmp-defaultUpgrade dtb-armUpgrade kernel-default-extraUpgrade dtb-marvellUpgrade gfs2-kmp-rtUpgrade dtb-exynosUpgrade cluster-md-kmp-azureUpgrade ocfs2-kmp-defaultUpgrade kernel-docs-htmlUpgrade kernel-devel-azureUpgrade kernel-default-baseUpgrade dtb-freescaleUpgrade dtb-amdUpgrade kernel-syms-rtUpgrade kernel-kvmsmall-vdsoUpgrade kernel-azure-vdsoUpgrade kernel-64kb-optionalUpgrade gfs2-kmp-64kbUpgrade dtb-allwinnerUpgrade reiserfs-kmp-rtUpgrade kernel-64kb-develUpgrade dtb-hisiliconUpgrade dtb-amazonUpgrade kernel-source-rtUpgrade kernel-sourceUpgrade kernel-macrosUpgrade reiserfs-kmp-defaultUpgrade kernel-debugUpgrade kernel-rt_debugUpgrade dtb-lgUpgrade reiserfs-kmp-64kbUpgrade kernel-azure-extraUpgrade kernel-rt_debug-develUpgrade kernel-obs-qaUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt-optionalUpgrade kernel-rt-livepatch-develUpgrade ocfs2-kmp-rtUpgrade kernel-zfcpdumpUpgrade dtb-appleUpgrade dlm-kmp-defaultUpgrade kernel-debug-develUpgrade kernel-64kbUpgrade kselftests-kmp-64kbUpgrade kernel-symsUpgrade dtb-socionextUpgrade ocfs2-kmp-azureUpgrade ocfs2-kmp-64kbUpgrade kselftests-kmp-azureUpgrade kernel-source-azureUpgrade kernel-kvmsmallUpgrade dtb-renesasUpgrade dtb-alteraUpgrade dlm-kmp-64kbUpgrade cluster-md-kmp-defaultUpgrade gfs2-kmp-azureUpgrade kernel-default-livepatchUpgrade kernel-azure-optionalUpgrade dtb-caviumUpgrade kernel-kvmsmall-develUpgrade kernel-develUpgrade kernel-default-livepatch-develUpgrade kernel-default-develUpgrade dtb-broadcomUpgrade dtb-apm | Dec 5, 2025 | Aug 18, 2025 |
| Ubuntu | — | Upgrade linux-image-realtime-6.14Upgrade linux-image-virtualUpgrade linux-image-6.14.0-1013-awsUpgrade linux-image-oem-6.14Upgrade linux-image-generic-6.14Upgrade linux-image-6.14.0-1013-aws-64kUpgrade linux-image-azure-6.14Upgrade linux-image-6.14.0-32-genericUpgrade linux-image-aws-64kUpgrade linux-image-genericUpgrade linux-image-oracle-6.14Upgrade linux-image-oem-24.04Upgrade linux-image-gcp-64kUpgrade linux-image-generic-64kUpgrade linux-image-6.14.0-1016-gcpUpgrade linux-image-aws-6.14Upgrade linux-image-6.14.0-1014-raspiUpgrade linux-image-realtimeUpgrade linux-image-6.14.0-1013-oracle-64kUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-oracleUpgrade linux-image-6.14.0-1012-azureUpgrade linux-image-oem-24.04bUpgrade linux-image-azureUpgrade linux-image-awsUpgrade linux-image-6.14.0-1012-realtimeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcpUpgrade linux-image-6.14.0-1013-oracleUpgrade linux-image-generic-64k-6.14Upgrade linux-image-6.14.0-1016-gcp-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-gcp-6.14Upgrade linux-image-raspiUpgrade linux-image-aws-64k-6.14Upgrade linux-image-oracle-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-6.14.0-1012-oemUpgrade linux-image-oem-24.04cUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-raspi-6.14Upgrade linux-image-virtual-6.14Upgrade linux-image-6.14.0-32-generic-64k | Jul 7, 2025 | Jul 3, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 16, 2025 | Jul 3, 2025 |
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