In the Linux kernel, the following vulnerability has been resolved:
ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume()
There is a memory leaks problem reported by kmemleak:
unreferenced object 0xffff888102007a00 (size 128): comm "ubirsvol", pid 32090, jiffies 4298464136 (age 2361.231s) hex dump (first 32 bytes): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ backtrace: [<ffffffff8176cecd>] __kmalloc+0x4d/0x150 [<ffffffffa02a9a36>] ubi_eba_create_table+0x76/0x170 [ubi] [<ffffffffa029764e>] ubi_resize_volume+0x1be/0xbc0 [ubi] [<ffffffffa02a3321>] ubi_cdev_ioctl+0x701/0x1850 [ubi] [<ffffffff81975d2d>] __x64_sys_ioctl+0x11d/0x170 [<ffffffff83c142a5>] do_syscall_64+0x35/0x80 [<ffffffff83e0006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
This is due to a mismatch between create and destroy interfaces, and in detail that "new_eba_tbl" created by ubi_eba_create_table() but destroyed by kfree(), while will causing "new_eba_tbl->entries" not freed.
Fix it by replacing kfree(new_eba_tbl) with ubi_eba_destroy_table(new_eba_tbl)
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-4.14.309-231.529Upgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade perfUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade python-perfUpgrade kernelUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.10.173-154.642Upgrade kernel-headersUpgrade perf-debuginfo | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel-tools-libs | Mar 17, 2026 | Mar 16, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 16, 2025 |
| Ubuntu | — | Upgrade linux-hwe-5.15Upgrade linux-gcp-5.4Upgrade linux-raspiUpgrade linuxUpgrade linux-iotUpgrade linux-azure-fipsUpgrade linux-nvidia-tegra-5.15Upgrade linux-azureUpgrade linux-azure-5.4Upgrade linux-ibm-5.4Upgrade linux-gcp-fipsUpgrade linux-awsUpgrade linux-riscv-5.15Upgrade linux-ibmUpgrade linux-intel-iotgUpgrade linux-oracle-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-intel-iotg-5.15Upgrade linux-gcp-5.15Upgrade linux-oracleUpgrade linux-nvidia-tegra-igxUpgrade linux-lowlatencyUpgrade linux-fipsUpgrade linux-realtimeUpgrade linux-raspi-5.4Upgrade linux-nvidia-tegraUpgrade linux-aws-5.15Upgrade linux-ibm-5.15Upgrade linux-kvmUpgrade linux-nvidiaUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gcpUpgrade linux-gkeUpgrade linux-xilinx-zynqmpUpgrade linux-aws-5.4Upgrade linux-gkeopUpgrade linux-azure-5.15Upgrade linux-oracle-5.4Upgrade linux-aws-fipsUpgrade linux-hwe-5.4Upgrade linux-azure-fdeUpgrade linux-bluefield | Sep 19, 2025 | Sep 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 16, 2025 |
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