In the Linux kernel, the following vulnerability has been resolved:
tracing: Fix memory leak of iter->temp when reading trace_pipe
kmemleak reports: unreferenced object 0xffff88814d14e200 (size 256): comm "cat", pid 336, jiffies 4294871818 (age 779.490s) hex dump (first 32 bytes): 04 00 01 03 00 00 00 00 08 00 00 00 00 00 00 00 ................ 0c d8 c8 9b ff ff ff ff 04 5a ca 9b ff ff ff ff .........Z...... backtrace: [<ffffffff9bdff18f>] __kmalloc+0x4f/0x140 [<ffffffff9bc9238b>] trace_find_next_entry+0xbb/0x1d0 [<ffffffff9bc9caef>] trace_print_lat_context+0xaf/0x4e0 [<ffffffff9bc94490>] print_trace_line+0x3e0/0x950 [<ffffffff9bc95499>] tracing_read_pipe+0x2d9/0x5a0 [<ffffffff9bf03a43>] vfs_read+0x143/0x520 [<ffffffff9bf04c2d>] ksys_read+0xbd/0x160 [<ffffffff9d0f0edf>] do_syscall_64+0x3f/0x90 [<ffffffff9d2000aa>] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
when reading file 'trace_pipe', 'iter->temp' is allocated or relocated in trace_find_next_entry() but not freed before 'trace_pipe' is closed.
To fix it, free 'iter->temp' in tracing_release_pipe().
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perf-debuginfoUpgrade kernel-headersUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-5.15.122-77.145Upgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.10.192-182.736Upgrade perfUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-devel | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade kernel-libbpf-staticUpgrade python3-perfUpgrade kernel-libbpf-develUpgrade bpftoolUpgrade kernel-livepatch-6.1.41-63.109Upgrade kernel-tools-develUpgrade perfUpgrade python3-perf-debuginfoUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpfUpgrade kernel-tools-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo | Feb 20, 2026 | Dec 30, 2025 |
| Debian | — | Upgrade linux | Dec 31, 2025 | Dec 31, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-tools | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 30, 2025 |
| Ubuntu | — | Upgrade linux-gkeopUpgrade linux-intel-iot-realtimeUpgrade linux-intel-iotg-5.15Upgrade linux-ibmUpgrade linux-hwe-5.15Upgrade linux-nvidiaUpgrade linux-nvidia-tegra-igxUpgrade linux-gcp-5.15Upgrade linux-azureUpgrade linux-azure-5.15Upgrade linux-oracleUpgrade linux-kvmUpgrade linux-realtimeUpgrade linux-xilinx-zynqmpUpgrade linux-nvidia-tegraUpgrade linux-nvidia-tegra-5.15Upgrade linux-aws-5.15Upgrade linux-gkeUpgrade linux-raspiUpgrade linux-awsUpgrade linuxUpgrade linux-riscv-5.15Upgrade linux-oracle-5.15Upgrade linux-intel-iotgUpgrade linux-ibm-5.15Upgrade linux-lowlatencyUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gcpUpgrade linux-bluefield | Jan 6, 2026 | Jan 2, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 30, 2025 |
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