In the Linux kernel, the following vulnerability has been resolved:
RDMA/rxe: Fix incomplete state save in rxe_requester
If a send packet is dropped by the IP layer in rxe_requester() the call to rxe_xmit_packet() can fail with err == -EAGAIN. To recover, the state of the wqe is restored to the state before the packet was sent so it can be resent. However, the routines that save and restore the state miss a significnt part of the variable state in the wqe, the dma struct which is used to process through the sge table. And, the state is not saved before the packet is built which modifies the dma struct.
Under heavy stress testing with many QPs on a fast node sending large messages to a slow node dropped packets are observed and the resent packets are corrupted because the dma struct was not restored. This patch fixes this behavior and allows the test cases to succeed.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-tools-libs-develUpgrade python3-perfUpgrade kernelUpgrade kernel-cross-headersUpgrade kernel-rt-coreUpgrade kernel-rt-modules-extraUpgrade perfUpgrade kernel-develUpgrade kernel-zfcpdump-coreUpgrade kernel-headersUpgrade kernel-abi-stablelistsUpgrade kernel-zfcpdump-develUpgrade kernel-rtUpgrade kernel-rt-debugUpgrade kernel-modulesUpgrade kernel-debugUpgrade kernel-debug-coreUpgrade kernel-rt-debug-coreUpgrade kernel-tools-libsUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-debug-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-modules-extraUpgrade kernel-toolsUpgrade kernel-coreUpgrade kernel-debug-develUpgrade kernel-docUpgrade kernel-debug-modulesUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-develUpgrade bpftoolUpgrade kernel-zfcpdump | Dec 10, 2025 | Dec 8, 2025 |
| Debian | — | Upgrade linux | Oct 6, 2025 | Oct 6, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libs | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade bpftoolUpgrade kernel | Feb 3, 2026 | Feb 2, 2026 |
| Oracle_linux | — | Upgrade kernel | Dec 10, 2025 | Oct 4, 2025 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | Nov 14, 2025 | Oct 4, 2025 |
| Rocky_linux | — | Upgrade perf-debuginfoUpgrade kernel-rt-debug-kvmUpgrade kernel-develUpgrade kernel-rt-coreUpgrade kernel-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-rt-modulesUpgrade kernel-tools-libs-develUpgrade python3-perfUpgrade perfUpgrade kernel-debugUpgrade kernel-rt-debug-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-coreUpgrade kernel-rt-debugUpgrade kernel-rt-kvmUpgrade kernel-debug-develUpgrade kernel-debug-modules-extraUpgrade kernel-rt-develUpgrade kernel-modulesUpgrade bpftoolUpgrade kernel-rt-modules-extraUpgrade kernel-debug-modulesUpgrade kernel-debug-coreUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debuginfoUpgrade python3-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-rtUpgrade kernelUpgrade kernel-tools-debuginfoUpgrade kernel-tools-libsUpgrade kernel-rt-debug-core | Feb 5, 2026 | Dec 13, 2025 |
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