In the Linux kernel, the following vulnerability has been resolved:
net: fix skb leak in __skb_tstamp_tx()
Commit 50749f2dd685 ("tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp.") added a call to skb_orphan_frags_rx() to fix leaks with zerocopy skbs. But it ended up adding a leak of its own. When skb_orphan_frags_rx() fails, the function just returns, leaking the skb it just cloned. Free it before returning.
This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade python3-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-livepatch-6.1.34-56.100Upgrade kernelUpgrade kernel-tools-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-libbpfUpgrade kernel-tools-develUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-headers | Nov 6, 2025 | Oct 22, 2025 |
| Debian | — | Upgrade linux | Oct 24, 2025 | Oct 24, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-abi-stablelists | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade bpftool | Feb 3, 2026 | Jan 30, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Oct 22, 2025 |
| Ubuntu | — | Upgrade linux-nvidia-tegra-5.15Upgrade linux-gkeopUpgrade linux-oracle-5.15Upgrade linux-aws-5.15Upgrade linux-nvidia-tegraUpgrade linux-raspiUpgrade linux-realtimeUpgrade linux-azure-fdeUpgrade linux-gkeUpgrade linux-riscv-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-nvidiaUpgrade linux-oracleUpgrade linux-lowlatencyUpgrade linux-intel-iotgUpgrade linux-ibm-5.15Upgrade linuxUpgrade linux-gcp-5.15Upgrade linux-nvidia-tegra-igxUpgrade linux-bluefieldUpgrade linux-ibmUpgrade linux-awsUpgrade linux-hwe-5.15Upgrade linux-azureUpgrade linux-gcpUpgrade linux-kvmUpgrade linux-azure-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-intel-iot-realtime | Oct 28, 2025 | Oct 24, 2025 |
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