In the Linux kernel, the following vulnerability has been resolved:
scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()
If alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not freed, which will cause following memleak:
unreferenced object 0xffff88810b2c6980 (size 32): comm "kworker/u16:2", pid 635322, jiffies 4355801099 (age 1216426.076s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$............. backtrace: [<0000000098f3a26d>] alua_activate+0xb0/0x320 [<000000003b529641>] scsi_dh_activate+0xb2/0x140 [<000000007b296db3>] activate_path_work+0xc6/0xe0 [dm_multipath] [<000000007adc9ace>] process_one_work+0x3c5/0x730 [<00000000c457a985>] worker_thread+0x93/0x650 [<00000000cb80e628>] kthread+0x1ba/0x210 [<00000000a1e61077>] ret_from_fork+0x22/0x30
Fix the problem by freeing 'qdata' in error path.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade python-perfUpgrade python-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-4.14.313-235.533Upgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-develUpgrade perfUpgrade kernel-livepatch-5.10.177-158.645Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-tools-devel | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | May 5, 2025 | May 2, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel | Feb 3, 2026 | Feb 2, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 2, 2025 |
| Ubuntu | — | Upgrade linux-azureUpgrade linux-azure-5.4Upgrade linux-hwe-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-kvmUpgrade linux-gcp-fipsUpgrade linux-gcp-5.4Upgrade linux-gkeopUpgrade linux-gcpUpgrade linux-oracleUpgrade linux-gcp-5.15Upgrade linux-azure-fipsUpgrade linux-nvidia-tegra-igxUpgrade linux-aws-fipsUpgrade linux-ibmUpgrade linux-azure-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-intel-iotgUpgrade linux-intel-iot-realtimeUpgrade linux-nvidiaUpgrade linux-hwe-5.4Upgrade linux-iotUpgrade linux-riscv-5.15Upgrade linux-ibm-5.15Upgrade linux-ibm-5.4Upgrade linux-aws-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linuxUpgrade linux-oracle-5.4Upgrade linux-awsUpgrade linux-nvidia-tegra-5.15Upgrade linux-nvidia-tegraUpgrade linux-bluefieldUpgrade linux-azure-fdeUpgrade linux-raspiUpgrade linux-lowlatencyUpgrade linux-fipsUpgrade linux-realtimeUpgrade linux-oracle-5.15Upgrade linux-aws-5.4Upgrade linux-raspi-5.4Upgrade linux-gke | May 8, 2025 | May 2, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | May 2, 2025 |
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