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.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade bpftool-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-libbpfUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfoUpgrade kernel-livepatch-6.1.34-56.100Upgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade kernel-libbpf-develUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade python3-perfUpgrade kernel-toolsUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-headers | Nov 6, 2025 | Oct 22, 2025 |
| Debian | — | Upgrade linux | Oct 24, 2025 | Oct 24, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernelUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-tools | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-tools-libsUpgrade bpftool | Feb 3, 2026 | Jan 30, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Oct 22, 2025 |
| Ubuntu | — | Upgrade linux-lowlatency-hwe-5.15Upgrade linux-oracle-5.15Upgrade linux-riscv-5.15Upgrade linux-realtimeUpgrade linux-nvidia-tegra-5.15Upgrade linux-raspiUpgrade linux-nvidiaUpgrade linux-lowlatencyUpgrade linux-aws-5.15Upgrade linux-gkeUpgrade linux-intel-iotgUpgrade linux-gkeopUpgrade linux-ibm-5.15Upgrade linux-oracleUpgrade linux-nvidia-tegraUpgrade linux-awsUpgrade linux-intel-iot-realtimeUpgrade linux-kvmUpgrade linux-intel-iotg-5.15Upgrade linuxUpgrade linux-nvidia-tegra-igxUpgrade linux-ibmUpgrade linux-bluefieldUpgrade linux-gcp-5.15Upgrade linux-gcpUpgrade linux-azure-5.15Upgrade linux-azureUpgrade linux-hwe-5.15 | Oct 28, 2025 | Oct 24, 2025 |
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