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-debugUpgrade kernel-toolsUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-develUpgrade kernel-debug-coreUpgrade kernel-debug-modulesUpgrade kernel-rt-debugUpgrade kernel-debug-develUpgrade kernel-zfcpdump-modulesUpgrade kernel-rtUpgrade kernel-debug-modules-extraUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-debug-modulesUpgrade kernel-docUpgrade kernel-rt-debug-modules-extraUpgrade kernel-modules-extraUpgrade kernel-rt-develUpgrade kernel-zfcpdump-develUpgrade kernel-coreUpgrade bpftoolUpgrade kernel-rt-debug-coreUpgrade kernel-rt-modulesUpgrade kernel-modulesUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-rt-coreUpgrade kernelUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-coreUpgrade python3-perfUpgrade kernel-cross-headersUpgrade kernel-rt-modules-extraUpgrade perf | Dec 10, 2025 | Dec 8, 2025 |
| Debian | — | Upgrade linux | Oct 6, 2025 | Oct 6, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-toolsUpgrade kernelUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade python3-perf | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernelUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade bpftoolUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel-tools | Feb 3, 2026 | Feb 2, 2026 |
| Oracle_linux | — | Upgrade kernel | Dec 10, 2025 | Oct 4, 2025 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Nov 14, 2025 | Oct 4, 2025 |
| Rocky_linux | — | Upgrade kernel-debug-coreUpgrade kernel-debug-develUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-tools-libsUpgrade kernel-rt-kvmUpgrade kernel-rt-develUpgrade kernel-debug-modules-extraUpgrade kernel-modulesUpgrade python3-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debug-modulesUpgrade kernel-debug-debuginfoUpgrade kernel-modules-extraUpgrade kernel-rt-modules-extraUpgrade bpftoolUpgrade kernel-debugUpgrade kernel-rt-debugUpgrade kernel-coreUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rtUpgrade kernel-toolsUpgrade kernelUpgrade kernel-rt-debug-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-develUpgrade kernel-rt-modulesUpgrade perf-debuginfoUpgrade kernel-rt-debug-kvmUpgrade python3-perfUpgrade kernel-rt-coreUpgrade kernel-debuginfoUpgrade kernel-rt-debug-develUpgrade perf | Feb 5, 2026 | Dec 13, 2025 |
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